Journals (with peer review)

  1. K. Murate, S. Mine, and K. Kawase, "Terahertz Parametric Generators and Detectors for Nondestructive Testing Through High-Attenuation Packaging Materials," IEEE Journal of Selected Topics in Quantum Electronics, vol. 29, issue 5, Article number 8500813 (2023).
  2. K. Murate, S. Mine, Y. Torii, H. Inoueand, and K. Kawase, "Wide dynamic range and real-time reagent identification and imaging using multi-wavelength terahertz parametric generation and machine learning," Scientific Reports, vol. 13, Article number 12743 (2023).
  3. Sota Mine, Mitsuki Abe, Kodo Kawase, and Kosuke Murate, "Efficient Terahertz Parametric Source Using Flat Pump Beam," IEEE Transactions on Terahertz Science and Technology, vol. 13, No. 2, pp.153 - 157 (2023)
  4. S. Mine, K. Kawase, and K. Murate, “Multi-Wavelength Terahertz Parametric Generator Using a Seed Laser Based on Four-Wave Mixing,” Photonics, vol. 9, no. 4, 258 (2022)
  5. Sota Mine, Kodo Kawase, and Kosuke Murate, "Noise-free terahertz-wave parametric generator," Optics Letters, vol. 47, No. 5, pp.1113-1116, (2022)
  6. K Murate, H Kanai, K Kawase, "Application of Machine Learning to Terahertz Spectroscopic Imaging of Reagents Hidden by Thick Shielding Materials," IEEE Transactions on Terahertz Science and Technology, Vol,11, Issue 6, 620 - 625 (2021)
  7. Sota Mine, Kodo Kawase, and Kosuke Murate, "Real-time wide dynamic range spectrometer using a rapidly wavelength-switchable terahertz parametric source" Optics Letters, vol. 46, No. 11, pp.2618-2621, (2021)
  8. S. Niijima, H. Taniguchi, H. Matsuda, N. Hashimoto, K. Murate and K. Kawase, "Effects of the crystal phase and microstructure of pottery bodies on the transmission characteristics of terahertz waves" Journal of Asian Ceramic Societies, vol. 9, No. 2, pp.443-451, (2021)
  9. S. Mine, K. Kawase, K. Murate,"High-power ASE-free fast wavelength-switchable external cavity diode laser," Applied Optics, vol.60, 1953-1957 (2021).
  10. K. Matsumura, K. Kawase, K. Takeya, “Observation of sublimation of ice using terahertz spectroscopy," Royal Society Open Science, Vol. 7, 192083 (2020). https://doi.org/10.1098/rsos.192083
  11. K. Takeya, T. Kamei, K. Kawase, and H. Uchida, Nonlinear optical process of second-order nonlinear optical susceptibility 𝜒(2)133 in an organic nonlinear optical crystal DAST, Optics Letters, Vol. 45, Issue 19, pp. 5348-5351 (2020). DOI: https://doi.org/10.1364/OL.400235
  12. H. Sakai, K. Kawase, and K. Murate, “Highly sensitive multi-stage terahertz parametric detector," Optics Letters, Vol. 45, Issue 14, pp. 3905-3908 (2020). DOI: 10.1364/OL.394975 https://www.osapublishing.org/ol/abstract.cfm?uri=ol-45-14-3905
  13. Hirohisa Uchida, Chisa Koyama, Takeshi Takagi, Pei-bin Wang, Takayuki Kamei, Kodo Kawase, and Kei Takeya, "Enhanced Terahertz Wave Generation from Cytop Antireflection–Coated DAST Crystal", Journal of Infrared, Millimeter, and Terahertz Waves, vol. 41, pp. 552–556 (2020). DOI https://doi.org/10.1007/s10762-020-00674-6
  14. K. Murate, H. Sakai, and K. Kawase, “Six billion-fold amplification via a two-stage terahertz parametric amplifier”, IEEE Transactions on Terahertz Science and Technology, vol. 10, Issue 2, pp.200-203(2020). DOI: 10.1109/TTHZ.2020.2964832
  15. R. Mitsuhashi, K. Murate, S. Niijima, T. Horiuchi, and K. Kawase, “Terahertz tag identifiable through shielding materials using machine learning”, Optics Express, vol 28, issue 3, pp. 3517-3527 (2020). DOI：10.1364/OE.384195
  16. P. Wang, K. Takeya, K. Kawase, and H. Uchida, "Effect of growth temperature conditions on the optimization of OH1 single-crystalline thin film by physical vapour deposition" CrystEngComm, vol 21, issue 47, pp. 7280-7285 (2019). DOI: 10.1039/C9CE01598A
  17. Hirohisa Uchida, Chisa Koyama, Takeshi Takagi, Peibin Wang, Takayuki Kamei, Kodo Kawase , and Kei Takeya, "Antireflection coating on organic nonlinear optical crystals using soft materials "Applied Physics Letters, Vol. 115, 231107 (2019) DOI: 10.1063/1.5126462
  18. Kei Takeya, Yudai, Ikegami, Keisuke Matsumura, Kodo Kawase, Hirohisa Uchida "Optical evaluation of Cytop, an amorphous fluoropolymer, in the terahertz frequency across a wide temperature range" Applied Physics Express, Vol. 12, 042004 (2019) DOI: 10.7567/1882-0786/ab0716
  19. Kei Takeya, Ryohei Takahashi, Takashi Fukui, Saroj R Tripathi and Kodo Kawase "Terahertz characterization of propane hydrate" Japanese Journal of Applied Physics 58 032003 (2019) DOI: 10.7567/1347-4065/aafb48
  20. N. Yaekashiwa, H. Yoshida, S. Otsuki, S. Hayashi, and K. Kawase, "Verification of Non-thermal Effects of 0.3–0.6 THz-Waves on Human Cultured Cells," Photonics, Vol. 6(1), No. 33; pp. 1-12 (2019).
  21. S. Niijima, M. Shoyama and K. Kawase, "Nondestructive inspection of sinterability of ceramic tiles by terahertz spectroscopy" Electronics and Communications in Japan, vol. 102, No. 6, pp.19-24, (2019)
  22. K. Takeya, Y. Ikegami, K. Matsumura, K. Kawase, H. Uchida, "Optical evaluation of Cytop, an amorphous fluoropolymer, in the terahertz frequency across a wide temperature range," Applied Physics Express, Vol. 12, 042004 (2019). DOI: 10.7567/1882-0786/ab0716
  23. K. Takeya, R. Takahashi, T. Fukui, S. R. Tripathi and K. Kawase, "Terahertz characterization of propane hydrate" Japanese Journal of Applied Physics 58 032003 (2019). DOI: 10.7567/1347-4065/aafb48
  24. K. Murate, and K. Kawase, “Perspective: Terahertz wave parametric generator and its applications”, Journal of Applied Physics, vol 124, issue 16, pp. 160901 (2018). DOI：10.1063/1.5050079
  25. K. Takeya, K. Okimura, K. Oota, K. Kawase, and H. Uchida, "Pump wavelength-independent broadband terahertz generation from a nonlinear optical crystal," Optics Letters, 43(17), 4100-4103 (2018). DOI: 10.1364/OL.43.004100
  26. H. Uchida, R. Yamazaki, K. Oota, K. Okimura, T. Minami, K. Takeya, and K. Kawase " Organic Nonlinear Optical Single-Crystalline Thin Film Grown by Physical Vapor Deposition for Terahertz Generation", Crystal Growth and Design, 18(7), pp.4029-4036 (2018). DOI: 10.1021/acs.cgd.8b00388
  27. H. Uchida, K. Oota, K. Okimura, K. Kawase, K. Takeya, "Single-Cycle Terahertz Pulse Generation from OH1 Crystal via Cherenkov Phase Matching," Journal of Infrared, Millimeter, and Terahertz Waves, 39(6), 509-513 (2018). DOI: 10.1007/s10762-018-0481-7
  28. S. R. Tripathi, P. Ben Ishai and K. Kawase, "Frequency of the resonance of human sweat duct in normal mode of radiation" Biomedical Optics Express, vol. 9, Issue 3, 1301-1308, (2018).
  29. S. Niijima, M. Shoyama, K. Murakami and Kodo Kawase, "Evaluation of the sintering properties of pottery bodies using terahertz time-domain spectroscopy" Journal of Asian Ceramic Societies, vol. 6, No. 1, pp.37-42 (2018).
  30. N. Yaekashiwa, S. Otsuki, S. Hayashi and K. Kawase, "Investigation of the non-thermal effects of exposing cells to 70-300 GHz irradiation using a widely tunable source, " Journal of Radiation Research, Vol. 59, Issue 2, pp. 116–121 (2018).
  31. K. Nawata, S. Hayashi, H. Ishizuki, K. Murate, K. Imayama, Y. Takida, V. Yahia, T. Taira, K. Kawase, H. Minamide, "Effective terahertz wave parametric generation depending on the pump pulse width using a LiNbO3 crystal," IEEE Transactions on Terahertz Science and Technology, vol. 7, no. 5, pp. 617-620 (2017). Digital Object Identifier: 10.1109/TTHZ.2017.2725479
  32. H. Uchida, K. Oota, T. Minami, K. Takeya, and K. Kawase, "Generation of single-cycle terahertz pulse using Cherenkov phase matching with 4-dimethylamino-N'-methyl-4'-stilbazolium tosylate crystal," Applied Physics Express 10, 062601 (2017) https://doi.org/10.7567/APEX.10.062601
  33. K. Murate, S. Hayashi, K. Kawase, “Multiwavelength terahertz-wave parametric generator for one-pulse spectroscopy”, Applied Physics Express, vol. 10, No. 3, pp. 032401 (2017). https://doi.org/10.7567/APEX.10.032401
  34. K. Takeya, T. Minami, H. Okano, S. R. Tripathi and K. Kawase, "Enhanced Cherenkov phase matching terahertz wave generation via a magnesium oxide doped lithium niobate ridged waveguide crystal," APL Photonics vol. 2, pp. 016102 (2017). https://doi.org/10.1063/1.4968043
  35. K. Murate, M. Kato, and K. Kawase, “THz spectroscopic imaging of chemicals using is-TPG”, International Journal of High Speed Electronics and Systems, vol. 25, No. 03n04, pp.1640016, (2016).
  36. S. Hayashi, K. Nawata, Y. Takaida, Y. Tokizane, K. Kawase, H. Minamide, “High-brightness continuously tunable sub-terahertz wave generation,” IEEE Transactions on Terahertz Science and Technology, vol. 6, no. 6, pp. 858-861 (2016). DOI: 10.1109/TTHZ.2016.2611939)
  37. K. Murate, S. Hayashi, K. Kawase “Expansion of the tuning range of injection-seeded terahertz-wave parametric generator up to 5 THz” Applied Physics Express, vol. 9, No. 8, pp. 082401 (2016). https://doi.org/10.7567/APEX.9.082401
  38. S. Tripathi, Y. Sugiyama, K. Murate, K. Imayama, K. Kawase, “Terahertz wave three-dimensional computed tomography based on injection-seeded terahertz wave parametric emitter and detector,” Optics Express, 24(6), 6433-6440 (2016). https://doi.org/10.1364/OE.24.006433
  39. M. Kato, S. R. Tripathi, K. Murate, K. Imayama and K. Kawase, “Non-destructive drug inspection in covering materials using a terahertz spectral imaging system with injection-seeded terahertz parametric generation and detection,” Optics Express, 24(6), 6425-6432 (2016).
  40. K. Takeya, K. Muto, Y. Ishihara, K. Kawase, “Monitoring theophylline concentrations in saline using terahertz ATR spectroscopy,” Applied Sciences, vol. 6(3), No.72, (2016) doi:10.3390/app6030072
  41. S. R. Tripathi, K. Murate and K. Kawase, “High power terahertz wave generation via non-linear optical processes” Asian Journal of Physics on Infrared and Terahertz, vol. 24, no. 3, pp. 363-368 (2015).
  42. P. Ben Ishai, S. R. Tripathi, K. Kawase, A. Puzenko and Y. Feldman, "What is the primary mover of water dynamics?," Phys. Chem. Chem. Phys., Vol. 17, pp.15428-15434 (2015). DOI: 10.1039/C5CP01871D.
  43. S. R. Tripathi, E. Miyata, P. B. Ishai and K. Kawase, “Morphology of human sweat ducts observed by optical coherence tomography and their frequency of resonance in the terahertz frequency region,” Scientific reports, vol. 5, 9071, pp. 1-7 (2015).
  44. Y. Guan, M. Yamamoto, T. Kitazawa, S. R. Tripathi, K. Takeya, K. Kawase, "A Concealed Barcode Identification System Using Terahertz Time-domain Spectroscopy", Journal of Infrared, Millimeter, and Terahertz Waves, Vol. 36, No. 3, pp. 298-311 (2015).
  45. Y. Taira, S. R. Tripathi, K. Murate, S. Hayashi, K. Nawata, H. Minamide and K. Kawase, "A terahertz wave parametric amplifier with a gain of 55dB" IEEE Transactions on Terahertz Science and Technology, vol. 4, No. 6, pp. 753-755, (2014). DOI: 10.1109/TTHZ.2014.2355179
  46. K. Takeya, T. Fukui, R. Takahashi and K. Kawase, "Dielectric constants of H2O and D2O ice in the terahertz frequency regime over a wide temperature range," Journal of Optics, Vol. 16, No 9, 094005, (2014)
  47. S. Tsuzuki, D. Takeshima, T. Sakon, T. Kinoshita, T. Nagase, K. Kurihara, K. Yamamoto, F. Kuwashima, T. Furuya, E. Estacio, K. Kawase, M. Bakunov, M. Tani, "Highly sensitive electro-optic sampling of terahertz waves using field enhancement in a tapered waveguide structure" Applied Physics Express, Vol. 7, Article number 112401 (2014).
  48. S. Hayashi, K. Nawata, T. Taira, J. Shikata, K. Kawase, H. Minamide "Ultrabright continuously tunable terahertz-wave generation at room temperature," Scientific Reports, Vol. 4, Article number 5045 (2014). https://doi.org/10.1038/srep05045
  49. T. Ouchi, K. Kajiki, T. Koizumi, T. Itsuji, Y. Koyama, R. Sekiguchi, O. Kubota, K. Kawase, "Terahertz imaging system for medical applications and related high efficiency terahertz devices," Journal of infrared millimeter and terahertz waves, Vol. 35, Issue 1, pp. 118-130 (2014).
  50. K. Murate, Y. Taira, S. R. Tripathi, S. Hayashi, K. Nawata, H. Minamide, K. Kawase, “A high dynamic range and spectrally flat terahertz spectrometer based on optical parametric processes in LiNbO3”, IEEE Transactions on Terahertz Science and Technology, Volume 3, Issue 4, pp. 523- 526 (2014). DOI: 10.1109/TTHZ.2014.2326298
  51. S. R. Tripathi, Y. Taira, S. Hayashi, K. Nawata, K. Murate, H. Minamide and K. Kawase “Terahertz wave parametric amplifier”, Optics Letters, Vol. 39, No. 6, pp. 1649-1652 (2014).
  52. H. Minamide, S. Hayashi, K. Nawata, T. Taira, J. Shikata, and K. Kawase, "Kilowatt-peak Terahertz-wave generation and sub-femtojoule Terahertz-wave pulse detection based on nonlinear optical wavelength-conversion at room temperature," Journal of infrared, millimeter and THz waves, Vol. 35, No. 1, pp. 25-37 (2014).
  53. T. Akiba, Y. Akimoto, M. Tamura, K. Suizu, K. Miyamoto, T. Omatsu, J. Takayanagi, T. Takada, K. Kawase, "Broad band THz-wave generation by satisfying the non-collinear phase matching condition with a reflected signal beam," Applied Optics, Vol. 52, No. 34, pp. 8305-8309 (2013).
  54. S. R. Tripathi, K. Murate, H. Uchida, K. Takeya, and K. Kawase “A Fiber-Laser Pumped, High-Power Terahertz Wave Source Based on Optical Rectification of Femtosecond Pulses in 4-Dimethylamino-N-methyl-4-stilbazolium Tosylate Crystal”, Applied Physics Express (APEX), vol. 6, pp. 072703(3pages) (2013).
  55. H. Uchida, S. R. Tripathi, K. Suizu, T, Shibuya, T. Osumi, K. Kawase, "Widely tunable broadband terahertz radiation generation using a configurationally locked polyene 2-[3-(4-hydroxystyryl)-5, 5-dimethylcyclohex-2-enylidene] malononitrile crystal via difference frequency generation," Applied Physics B, vol. 111, issue. 3 , pp.489-493 (2013).
  56. S. Fan, H. Takeuchi, T. Ouchi, K. Takeya, K. Kawase, "Broadband terahertz wave generation from a MgO:LiNbO3 ridge waveguide pumped by a 1.5 μm femtosecond fiber laser," Optics Letters, vol.38, issue 10, pp. 1654-1656 (2013).
  57. K. Takeya, K. Suizu, H. Sai, T. Ouchi and K. Kawase, “Wide spectrum terahertz wave generation from nonlinear waveguides,” IEEE Journal of Selected Topics in Quantum Electronics, vol. 19, no. 1, pp. 8500212, (2013).
  58. K. Mizukoshi, K. Yonekura, H. Ogura, Y. Guan and K. Kawase, "Terahertz wave techniques using a metal mesh for evaluating the components of the stratum corneum," Skin Research and Technology Vol. 19, Issue 1, pp. e383-389 (2013).
  59. S. R. Tripathi, H. Inoue, T. Hasegawa and K. Kawase, “Non-destructive Inspection of Chloride Ion in Concrete Structures Using Attenuated Total Reflection of Millimeter Waves”, Journal of infrared, millimeter and THz waves, vol. 34, pp. 181-186 (2013).
  60. K. Takeya, K. Suizu, and K. Kawase, "THz Generation Using Cherenkov Phase Matching" Terahertz Science and Technology, vol. 5, no. 2, pp. 78-86 (2012)
  61. S. R. Tripathi, H. Ogura, H. Kawagoe, H. Inoue, T. Hasegawa, K. Takeya, K. Kawase, “Measurement of chloride ion concentration in concrete structures using terahertz time domain spectroscopy (THz-TDS)”, Corrosion Science, vol. 62, pp. 5-10 (2012).
  62. H. Uchida, H. Ochiai, K. Suizu, T. Shibuya, K. Kawase “Improving the Laser-Induced-Damage Tolerance Characteristics of 4-Dimethylamino-N-methyl-4-stilbazoliumtosylate Crystals for THz Wave Generation by Annealing,” Japanese Journal of Applied Physics, Vol. 51, No.2, pp. 022601-1-4, (2012).
  63. S. Hayashi, K. Nawata, H. Sakai, T. Taira, H. Minamide, and K. Kawase, "High-power, single-longitudinal-mode terahertz-wave generation pumped by a microchip Nd:YAG laser," Optics Express, Vol. 20, No. 3, pp. 2881-2886 (2012).
  64. K. Kawase, K. Suizu and T. Shibuya, “Half cycle terahertz pulse generation by prism-coupled Cherenkov phase-matching method,” Journal of Infrared, Millimeter, and Terahertz Waves, Vol. 32, No. 10, pp. 1168-1177 (2011)
  65. Y. Guan, K. Mizukoshi, K. Yonekura, K. Takeya, K. Kawase, "Thz techniques using metal mesh sensor for human skin measurement", Terahertz Science and Technology, Vol.4, No.3, 128-131, (2011).
  66. H. Uchida, T. Sugiyama, K. Suizu, T. Osum and K. Kawase, "Generation of widely tunable terahertz waves by difference-frequency generation using a configurationally locked polyene 2-[3-(4-hydroxystyryl)-5,5-dimethylcyclohex-2-enylidene] malononitrile crystal," Terahertz Science and Technology, Vol.4, No.3, 132, (2011).
  67. K. Maki, T. Shibuya, C. Otani, K. Suizu, and K. Kawase,"Characteristics of the Beam-Steerable Difference-Frequency Generation of terahertz radiation," Journal of Infrared, Millimeter, and Terahertz Waves, Vol. 32, No. 5, pp. 602-616 (2011).
  68. T. Shibuya, T. Suzuki, K. Suizu and K. Kawase, "Non-destructive characterization of soot in exhaust filters using millimeter-wave imaging" Journal of Infrared, Millimeter, and Terahertz Waves, Vol. 32, No. 5, pp. 715-720 (2011).
  69. K. Kawase, H. Hoshina, A. Iwasaki, Y. Sasaki and T. Shibuya “Mail screening applications of terahertz radiation (Invited Review),” Electronics Letters, Vol. 46, No. 26, p. S65-S68 (2010).
  70. K. Kawase, K. Suizu and T. Shibuya, “Time-of-flight terahertz tomography (Invited Review),” American Laboratory, Vol.42, No. 8, pp. 9-11 (2010).
  71. K. Kawase, T. Shibuya, S. Hayashi, K. Suizu, “THz imaging techniques for nondestructive inspections (Invited Review),” Comptes-Rendus Physique, Vol. 11, No. 7-8, pp. 510–518 (2010)
  72. K. Kawase, K. Suizu, S. Hayashi, and T. Shibuya, "Nonlinear optical terahertz wave sources (Invited Review)," Optics and Spectroscopy, Vol. 108, No. 6, pp. 890–893 (2010).
  73. Y. Nakagomi, K. Suizu, T. Shibuya and K. Kawase, “Multi-mode laser-pumped injection-seeded terahertz-wave parametric generator,” Japanese Journal of Applied Physics, Vol. 49, pp. 102701 (3 pages) (2010).
  74. T. Shibuya, K. Suizu, and K. Kawase, "Widely tunable monochromatic Cherenkov phase-matched THz wave generation from bulk lithium niobate," Appl. Phys. Express, Vol. 3, No. 8, 082201 (2010)
  75. K. Suizu, T. Shibuya, H. Uchida, and K. Kawase, "Prism-coupled Cherenkov phase-matched terahertz wave generation using a DAST crystal," Optics Express, vol. 18, no. 4, pp. 3338-3344 (2010).
  76. E. Kato, K. Suizu, K. Kawase, “Strong resonance and terahertz wave transmission enhancement of low-porosity metal hole array with bow tie-shaped apertures,” Applied Physics Express, Vol. 2, No. 12, 122302 (2009).
  77. S. Yoshida, K. Suizu, E. Kato, Y. Nakagomi, Y. Ogawa and K. Kawase, "A high-sensitivity terahertz sensing method using a metallic mesh with unique transmission properties," Journal of Molecular Spectroscopy, Vol. 256, Issue 1, pp.146-151 (2009).
  78. K. Suizu, T. Shibuya, S. Nagano, K. Edamatsu, H. Ito, and K. Kawase, "Duty ratio dependence of difference frequency generation for millimeter-terahertz wave spectra using periodically poled lithium niobate," Applied Physics Express vol. 2, no. 7, 072301 (2009).
  79. J. Takayanagi, H. Jinno, S. Ichino, K. Suizu, M. Yamashita, T. Ouchi, S. Kasai, H. Ohtake, H. Uchida, N. Nishizawa, and K. Kawase, "High-resolution time-of-flight terahertz tomography using a femtosecond fiber laser," Optics Express, vol. 17, no. 9, pp. 7533-7539 (2009).
  80. M. Yamashita, C. Otani, K. Kawase, T. Matsumoto, K. Nikawa, S. Kim, H. Murakami, and M. Tonouchi, “Backside observation of large-scale integrated circuits with multilayered interconnections using laser terahertz emission microscope,” Applied Physics Letters, vol.94, no. 19, p. 191104 (2009).
  81. S. Hayashi, H. Minamide, T. Ikari, Y. Ogawa, J. Shikata, H. Ito, C. Otani, K. Kawase, “Tunability enhancement of a terahertz wave parametric generator pumped by a microchip Nd:YAG Laser,” Applied Optics, vol. 48, no. 15, pp.2899-2902 (2009).
  82. S. Kasai, T. Katagiri, J. Takayanagi, K. Kawase, and T. Ouchi, “Reduction of phonon resonant terahertz wave absorption in photoconductive switches using epitaxial layer transfer,” Applied Physics Letters, vol. 94, no. 11, pp. 113505 (2009).
  83. H. Hoshina, Y. Sasaki, A. Hayashi, C. Otani and K. Kawase, “Non-invasive mail inspection system with terahertz radiation,” Applied Spectroscopy, vol. 63, no. 1, pp. 81-86 (2009).
  84. K. Suizu, T. Tsutsui, T. Shibuya, T. Akiba, and K. Kawase, "Cherenkov phase matched THz-wave generation with surfing configuration for bulk Lithium Nobate crystal," Optics Express, vol.17, no. 9, pp. 7102-7109 (2009).
  85. T. Shibuya, T. Tsutsui, K. Suizu, T. Akiba, and K. Kawase, "Efficient Cherenkov-type phase-matched widely tunable THz-wave generation via an optimized pump beam shape," Applied Physics Express, vol. 2, no. 3, 032302 (2009).
  86. K. Maki, T. Shibuya, C. Otani, K. Suizu, K. Kawase, “Terahertz beam steering via tilted-phase difference-frequency mixing,” Applied Physics Express, Vol. 2, No. 2, 022301 (2009).
  87. S. Yoshida, E. Kato, Y. Nakagomi, K. Suizu,Y. Ogawa, K. Kawase, "Terahertz sensing of thin polyethylene terephthalate film thickness using a metallic mesh" Applied Physics Express, vol. 2, no. 1, article no.: 012301 (2009).
  88. K. Suizu, K. Koketsu, T. Shibuya, T. Tsutsui, T. Akiba, and K. Kawase, "Extremely frequency-widened terahertz wave generation using Cherenkov-type radiation," Optics Express, vol.17, no. 8, pp. 6676-6681 (2009).
  89. Y. Ogawa, S. Hayashi, M. Oikawa, C. Otani, and K. Kawase, “Interference terahertz label-free imaging for protein detection on a membrane,” Optics Express, vol. 16, no. 26, pp. 22083-22089 (2008).
  90. J. Takayanagi, S. Kanamori, K. Suizu, M. Yamashita, T. Ouchi, S. Kasai, H. Ohtake, H. Uchida, N. Nishizawa and K. Kawase, "Generation and detection of broadband coherent terahertz radiation using 17-fs ultrashort pulse fiber laser," Optics Express, vol. 16, pp. 12859-12865 (2008).
  91. M. Yamashita, C. Otani, K. Kawase, K. Nikawa, and M. Tonouchi, ”Non-contact inspection technique for electrical failures in semiconductor devices using a laser terahertz emission microscope,” Applied Physics Letters, Vol. 93, 041117 (2008).
  92. H. Yoneyama, M. Yamashita, S. Kasai, K. Kawase, H. Ito, T. Ouchi, "Terahertz spectroscopy of native-conformation and thermally denatured bovine serum albumin (BSA)" Physics in Medicine and Biology, vol. 53, no. 13, pp. 3543-3549 (2008)
  93. L. Cheng, S. Hayashi, C. Otani, K. Kawase, T. Miyazawa, Y. Ogawa, "Terahertz-wave absorption in liquids measured using the evanescent field of a silicon waveguide,” Applied Physics Letters, vol. 92, 181104 (2008).
  94. K. Suizu, T. Shibuya, T. Akiba, T. Tutui, C. Otani, and K. Kawase, "Cherenkov phase-matched monochromatic THz wave generation using difference frequency generation with a lithium niobate crystal," Optics Express, vol. 16, no. 10, pp. 7493-7498 (2008).
  95. T. Shibuya, T. Akiba, K. Suizu, H. Uchida, C. Otani and K. Kawase, "Terahertz-Wave Generation Using a 4-Dimethylamino-N-methyl-4-stilbazolium tosylate Crystal Under Intra-Cavity Conditions," Applied Physics Express, vol. 1, pp.042002 (2008).
  96. H. Yoneyama, M. Yamashita, S. Kasai, K. Kawase, H. Ito, T. Ouchi, " Membrane device for holding biomolecule samples for terahertz spectroscopy ," Optics Communications, vol. 281, no. 7, pp. 1909-1903 (2008).
  97. K. Suizu and K. Kawase, "Monochromatic-tunable terahertz-wave sources based on nonlinear frequency conversion using lithium niobate crystal (Invited Review)," IEEE Journal of Selected Topics in Quantum Electronics, vol. 14, no. 2, pp. 295-306 (2008).
  98. A. Dobroiu, Y. Sasaki, T. Shibuya, C. Otani and K. Kawase, “THz-wave spectroscopy applied to the detection of illicit drugs in mail (Invited Review),” Proceedings of the IEEE, vol. 95, no. 8, pp. 1566-1575 (2007).
  99. H. Yoshida, Y. Ogawa, Y. Kawai, S. Hayashi, A. Hayashi, C. Otani, E. Kato, F. Miyamaru, K. Kawase, "Terahertz sensing method for protein detection using a thin metallic mesh," Applied Physics Letters, vol. 91, no. 25, 253901 (2007).
  100. T. Taino, H. Ishii, S. Yoshimura, C. Otani, S. Ariyoshi, H. Myoren, K. Kawase, T. Shibuya, H. Sato, H.M. Shimizu and S. Takada, "Terahertz electromagnetic-wave detector using Nb-based superconducting tunnel junction on LiNbO3 substrate absorber," Physica C: Superconductivity, vol. 463-465, pp.1119-1122 (2007).
  101. K. Suizu and K. Kawase, "Terahertz-wave generation in a conventional optical fiber," Optics Letters, vol.32, no. 20, pp.2990-2992 (2007).
  102. K. Suizu, T. Shibuya, S. Nagano, T. Akiba,K. Edamatsu, H. Ito and K. Kawase, "Pulsed high peak power millimeter wave generation via difference frequency generation using periodically poled lithium niobate," Jpn. J. Appl. Phys. Vol.46, No. 40, pp. L982-L984 (2007).
  103. Y. Morita, A. Dobroiu, C. Otani, and K. Kawase "Real-time terahertz diagnostics for detecting microleak defects in the seal of flexible plastic packaging," Journal of Advanced Mechanical Design, Systems, and Manufacturing, vol.1, no.3, pp.338-345 (2007).
  104. S. Hayashi, H. Minamide, T. Ikari, Y. Ogawa, J. -i. Shikata, H. Ito, C. Otani, and K. Kawase, "Output power enhancement of a palmtop terahertz-wave parametric generator," Applied Optics, vol. 46, pp. 117-123 (2007).
  105. A. Dobroiu, C. Otani, K. Kawase, “Terahertz-wave sources and imaging applications (Invited Review),” Measurement Science and Technology, vol. 17, R161-R174 (2006).
  106. T. Taino, R. Nakano, S. Yoshimura, H. Myoren, S. Takada, C. Otani, S. Ariyoshi, T. Shibuya, K. Kawase, H. Sato and H.M. Shimizu, "A broadband terahertz detector using a superconducting tunnel junction," Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 559, no. 2, pp.751-753 (2006).
  107. F. Miyamaru, S. Hayashi, C. Otani, K. Kawase, Y. Ogawa, H. Yoshida, and E. Kato, “Terahertz surface-wave resonant sensor with a metal hole array,” Optics Letters, vol. 31, no. 8, pp. 1118-1120 (2006).
  108. S. Ariyoshi, C. Otani, A. Dobroiu, H. Matsuo, H. Sato, T. Taino, K. Kawase, H. M. Shimizu, "Superconducting Detector Array for Terahertz Imaging Applications," Japanese Journal of Applied Physics, vol.45, no.37, pp.L1004-L1006 (2006).
  109. S. Ariyoshi, C. Otani, A. Dobroiu, H. Matsuo, H. Sato, T. Taino, K. Kawase, H. Shimizu, “Terahertz imaging with a direct detector based on superconducting tunnel junctions,” Applied Physics Letters, vol. 88, pp. 203503 (2006).
  110. M. Mizuno, C. Otani, K. Kawase, Y. Kurihara, K. Shindo, Y. Ogawa, H. Matsuki, "Monitoring the frozen state of freezing media by using millimeter waves" Journal of Electromagnetic Waves and Applications, vol. 20, no. 3, pp. 341-349 (2006).
  111. M. Theuer, G. Torosyan, C. Rau, R. Beigang, K. Maki, C. Otani, K. Kawase, "Efficient generation of Cherenkov-type terahertz radiation from a lithium niobate crystal with silicon prism output coupler" Applied Physics Letters vol. 88, 071122 (2006).
  112. B. Pradarutti, C. Rau, G. Torosyan, R. Beigang, K. Kawase, ”Plasmonic response in a one-dimensional periodic structure of metallic rods,” Applied Physics Letters, vol. 87, no. 20, 204105 (2005).
  113. K. Kawase, Y. Ogawa, H. Minamide and H. Ito, “Terahertz parametric sources and imaging applications (Invited Review),” Semiconductor Science and Technology, vol. 20, pp. S258-S265 (2005).
  114. T. Taino, K. Hoshino, R. Nakano, C. Otani, H. Myoren, K. Kawase, T. Shibuya, H. Sato, H.M. Shimizu and S. Takada, "Development of terahertz wave detector using superconducting tunnel junction," Physica C: Superconductivity, vol. 426-431, no. 2, pp. 1731-1735 (2005).
  115. T. Taino, K. Hoshino, R. Nakano, C. Otani, H. Myoren, K. Kawase, H. Sato, H. Shimizu, and S. Takada," The Effect of X-ray Irradiating Superconducting Tunnel Junctions on Al2O3and LiNbO3 substrates," IEEE Transactions on Applied Superconductivity, vol. 15, pp. 599-601 (2005).
  116. S. Ariyoshi, H. Matsuo, C. Otani, H. Sato, H. Shimizu, K. Kawase, and T. Noguchi, "Characterization of an STJ-based Direct Detector of Submillimeter Waves," IEEE Transactions on Applied Superconductivity, vol. 15, pp. 920-923 (2005).
  117. C. Otani, T. Taino, R. Nakano, K. Hoshino, T. Shibuya, H. Myoren, H. Sato, H. Shimizu, S. Takada, and K. Kawase, "A broad-band THz radiation detector using a Nb-based superconducting tunnel junction" IEEE Transactions on Applied Superconductivity, vol. 15, pp. 591-594 (2005).
  118. Y. Takanishi, K. Ishikawa, H. Takezoe, J. Watanabe, M. Yamashita and K. Kawase, “Terahertz spectroscopy in smectic phases of a bent-core molecule,” Physical Review E. vol. 71, 061701 (2005).
  119. M. Yamashita, M. Usami, K. Fukushima, R. Fukasawa, C. Otani, K. Kawase, “Component spatial pattern analysis of chemicals by use of two-dimensional electro-optic terahertz imaging"Applied Optics, vol. 44, no. 25, pp. 5198-5201 (2005)
  120. Y. Morita, A. Dobroiu, K. Kawase and C. Otani, "Terahertz technique for detection of micro-leaks in the seal of flexible plastic packages." Optical Engineering, vol. 44, no. 1, pp.019001-1-6 (Jan. 2005).
  121. A. Dobroiu, R. Beigang, C. Otani, and K. Kawase, "Monolithic Fabry-Perot resonator for the measurement of optical constants in the terahertz range," Applied Physics Letters 86, 261107 (2005).
  122. Y. Morita, A. Dobroiu, C. Otani and K. Kawase, "A real-time inspection system using a terahertz technique to detect micro-leak defects in the seal of flexible plastic packages." Journal of Food Protection, vol. 68, no. 4, pp. 833-837 (2005).
  123. M. Usami, M. Yamashita, K. Fukushima, C. Otani, K. Kawase, “Terahertz wideband spectroscopic imaging based on 2D electro-optic sampling technique,” Applied Physics Letters, vol. 86, no. 141109, pp. 141109 1-3 (2005).
  124. M. Yamashita, K. Kawase, C. Otani, T. Kiwa and M. Tonouchi, “Imaging of large-scale integrated circuits using laser-terahertz emission microscopy”, Optics Express, vol. 13, no. 1, pp. 115-120 (2005).
  125. A. Dobroiu, M. Yamashita, Y. Ohshima, Y. Morita, C. Otani, and K. Kawase, "Terahertz imaging system based on a backward wave oscillator," Applied Optics, vol. 43, no. 30, pp. 5637-5646 (2004).
  126. Y. Watanabe, K. Kawase, T. Ikari, H. Ito, Y. Ishikawa and H.Minamide, “Component analysis of chemical mixture using terahertz spectroscopic imaging” Optics Communications, vol. 234, no. 1-6, pp. 125-129 (2004).
  127. K. Kawase, Y. Ogawa, Y. Watanabe, “Terahertz specroscopic imaging and its application to drug detection,” IEICE Transactions on Electronics, vol. E87-C, no. 7, pp. 1186-1191 (2004).
  128. Y. Watanabe, K. Kawase, T. Ikari, H. Ito, Y. Ishikawa and H. Minamide, "Component spatial pattern analysis of chemicals using terahertz spectroscopic imaging," Optics & Photonics News (OPN), Optics in 2003, vol. 14, no. 12, pp. 43 (2003).
  129. T. Kiwa and M. Tonouchi, M. Yamashita and K. Kawase, “Laser-terahertz emission microscope for inspecting electrical faults in integrated circuits,” Optics Letters, vol. 28, no. 21, pp. 2058-2063 (2003).
  130. Y. Watanabe, K. Kawase, T. Ikari, H. Ito, Y. Ishikawa and H.Minamide, “Spatial pattern separation of chemicals and frequency-independent components using terahertz spectroscopic imaging,” Applied Optics, vol. 42, no. 28, pp. 5744 - 5748 (2003).
  131. K. Kawase, Y. Ogawa, Y. Watanabe and H. Inoue, “Non-destructive terahertz imaging of illicit drugs using spectral fingerprints,” Optics Express, vol. 11, no. 20, pp. 2549-2554 (2003).
  132. Y. Watanabe, K. Kawase, T. Ikari, H. Ito, Y. Ishikawa and H. Minamide, "Component spatial pattern analysis of chemicals using terahertz spectroscopic imaging," Applied Physics Letters, vol. 83, no. 4, pp. 800-802 (2003).
  133. J. Shikata, K. Kawase, and H. Ito, “The generation and linewidth control of terahertz waves by parametric processes,” Electronics and Communications in Japan, Part 2, vol. 86, no. 5, pp. 52-65 (2003).
  134. K. Imai, K. Kawase, H. Minamide, and H. Ito,"A rapidly tunalbe terahertz-wave parametric oscillator", Electronics and Communications in Japan, Part 2, vol. 86, no. 4, pp. 18-26 (2003).
  135. K. Imai, S. Sugawara, J. Shikata, K. Kawase, H. Minamide, and H. Ito,"The effect of injection seeding on terahertz parametric oscillation", Electronics and Communications in Japan, Part 2, vol. 86, no. 1, pp. 26-35 (2003).
  136. K. Kawase, J. Shikata, H. Ito, “Terahertz wave parametric source (Invited Review),” Journal of Physics D: Applied Physics, vol. 35, no. 3, pp. R1-R14 (2002).
  137. K. Imai, K. Kawase, H. Minamide, and H. Ito, "Achromatically injection-seeded terahertz-wave parametric generator", Optics Letters, vol. 27, no. 24, pp. 2173-2175 (2002).
  138. K. Karino, J. Shikata, K. Kawase, H. Ito, and I. Sahashi, "Terahertz-wave parametric generation characteristics of MgO:LiNbO3," Electronics and Communications in Japan, Part 2, vol. 85, no. 4, pp. 22-29 (2002).
  139. Y. Sasaki, A. Yuri, K. Kawase, H. Ito, “Terahertz-wave surface-emitted difference frequency generation in slant-stripe-typed periodically poled LiNbO3 crystal”, Applied Physics Letters, vol. 81, no. 18, pp. 3323-3325 (2002).
  140. J. Shikata, K. Kawase, T. Taniuchi, and H. Ito, “Fourier transform spectrometer with a terahertz-wave parametric generator,” Japan Journal of Applied Physics, vol. 41, no. 1. pp. 134-138 (2002).
  141. A. Sato, K. Imai, K. Kawase, H. Minamide, S. Wada, and H. Ito, "Narrow-linewidth operation of a compact THz-wave parametric generator system," Optics Communications, vol. 207, no. 1-6, pp.353-359 (2002).
  142. K. Kawase, H. Minamide, K. Imai, J. Shikata, and H. Ito,"Injection-seeded terahertz-wave parametric generator with wide tunability," Applied Physic Letters, vol. 80, no. 2, pp. 195-197 (2002).
  143. A. Sato, K. Kawase, H. Minamide, S. Wada, and H. Ito, “Tabletop terahertz-wave parametric generator using a compact, diode-pumped Nd:YAG laser,” Review of Scientific Instruments, vol. 72, no. 9, pp. 3501-3504 (2001).
  144. H. Ito, T. Hatanaka, S. Haidar, K. Nakamura, K. Kawase, and T. Taniuchi, “Periodically poled LiNbO3 OPO for generating Mid IR to terahertz waves,” Ferroelectrics, vol.253, pp.95-104 (2001).
  145. K. Imai, K. Kawase. and H. Ito, "A frequency-agile terahertz-wave parametric oscillator",Optics Express, vol. 8, no. 13, pp. 699-704 (2001).
  146. K. Kawase, J. Shikata, K. Imai, and H. Ito, “Transform-limited, narrow-linewidth, terahertz-wave parametric generator,” Applied Physics Letters, vol. 78 no. 19 pp. 2819-2821 (2001).
  147. K. Imai, K. Kawase, J. Shikata, H. Minamide, and H. Ito, "Injection-seeded terahertz-wave parametric oscillator," Applied Physics Letters, vol.78 no.8 pp. 1026-1028 (2001).
  148. K. Kawase, J. Shikata, H. Minamide, K. Imai, and H. Ito, “Arrayed silicon prism coupler for a THz-wave parametric oscillator,” Applied Optics, vol. 40, no. 9, pp. 1423-1426, (2001).
  149. K. Kawase, T. Hatanaka, H. Takahashi, K. Nakamura, T. Taniuchi, and H. Ito, “Tunable THz-wave generation from DAST crystal using dual signal-wave parametric oscillation of PPLN” Optics Letters, vol. 25, no. 23, pp. 1714-1716 (2000).
  150. K. Kawase, N. Hiromoto, and M. Fujiwara, “Terahertz-wave antireflection coating on Ge wafer using optical lapping method,” Electronics and Communications in Japan: part 2, vol. 83, no. 3, pp. 10-15 (2000).
  151. J. Shikata, K. Kawase, K. Karino, T. Taniuchi, and H. Ito, “Tunable Terahertz-wave Parametric Oscillators Using LiNbO3 and MgO:LiNbO3 crystals,” IEEE Transactions on Microwave Theory and Techniques., vol. 48, no. 4, pp. 653 - 661 (2000).
  152. J. Shikata, K. Kawase, M. Sato, T. Taniuchi, and H. Ito, "Characteristics of coherent THz wave generation from LiNbO3 optical parametric oscillator," Electronics and Communications in Japan, part 2, vol. 82, no. 5, pp.46-53 (1999).
  153. J. Shikata, K. Kawase, M. Sato, T. Taniuchi, and H. Ito, “Enhancement of THz-wave output from LiNbO3 optical parametric oscillators by cryogenic cooling,” Optics Letters., vol. 24, pp.202-204 (1999).
  154. K. Kawase, M. Mizuno, S. Sohma, H. Takahashi, T. Taniuchi, Y. Urata, S. Wada, H. Tashiro, and H. Ito," Difference-frequency terahertz-wave generation from 4-dimethylamino-N-methyl-4-stilbazolium-tosylate by use of an electronically tuned Ti:sapphire laser," Optics Letters, vol. 24, no. 15, pp. 1065-1067 (1999).
  155. K. Kawase, J. Shikata, M. Sato, T. Taniuchi, and H. Ito, “Widely tunable coherent THz-wave generation using nonlinear optical effect,” Electronics and Communications in Japan: part 2, vol. 81, no.7, pp. 10-18 (1998).
  156. H. Ito, K. Kawase, and J. Shikata, “Widely tunable THz-wave generation by nonlinear optics,” IEICE Transactions on Electronics, vol. E81-C, no. 2, pp. 264-268 (1998).
  157. K. Kawase and N. Hiromoto, “Terahertz wave antireflection coating on Ge and GaAs with fused quartz,” Applied Optics, vol. 37, no. 10, pp. 1862-1866 (1998).
  158. K. Kawase, M. Sato, K. Nakamura, T. Taniuchi, and H. Ito, “Uni-directional radiation of widely tunable THz-wave using a prism coupler under non-collinear phase matching condition,” Applied Physics Letters, vol. 71, no. 6, pp. 753-755 (1997).
  159. K. Kawase, M. Sato, T. Taniuchi, and H. Ito, “Characteristics of THz-wave radiation using a monolithic grating coupler on a LiNbO3 crystal,” International Journal of Infrared and Millimeter Waves, vol. 17, no. 11, pp. 1839-1850 (1996).
  160. K. Kawase, M. Sato, T. Taniuchi, and H. Ito, “Coherent tunable THz-wave generation from LiNbO3 with monolithic grating coupler,” Applied Physics Letters, vol. 68, no. 18, pp. 2483-2485 (1996).
  161. K. Kawase and H. Ito, “Submillimeter Generation using Periodic Domain Reversals,” Nonlinear Optics, vol. 7, pp.225-229 (1994).

Invited talks

  1. K. Murate, S. Mine, and K. Kawase, "Practical measurement system using terahertz parametric generator and detector (Invited)," 10th International Symposium on Terahertz-Related Devices and Technologies (TeraTech2023), Fr2-3, University of Aizu, Aizuwakamatsu, Japan (Sept. 4-8, 2023).
  2. K. Murate, S. Mine, and K. Kawase, "Non-destructive identification through thick materials using a terahertz parametric generator and detector (Invited)," SPIE OPTICS+PHOTONICS, 12683-1, San diego convention center, San diego, USA (Aug. 20-22, 2023).
  3. Sota Mine, Kosuke Murate, Kodo Kawase, “Injection-seeded terahertz parametric generation using high power seeding (invited),” 2nd Workshop on Progress in Nonlinear Photonics and Applications, Tu.D6.2, University of Politehnica Bucharest, Bucharest, Romania (July 2- 6, 2023).
  4. K. Murate, S, Mine, K. Kawase, “Terahertz parametric generator/detector for nondestructive testing (Invited),” 25th Photonics North Conference, DHPL-5.4, Palais des congrès de Montréal, Montréal, Canada (June 12- 15, 2023).
  5. K. Kawase, S, Mine, K. Murate, “Detection of concealed reagents using THz parametric generator (Invited),” The 9th International Conference on Antennas and Electromagnetic Systems (AES 2023), 2A7, Palacio de Congresos, Torremolinos, Spain (June 5- 8, 2023).
  6. K. Kawase, S, Mine, K. Murate, “THz parametric generation/detection and applications (Invited),” Korea-Japan Workshop on Terahertz Science and Technology 2023, Kyoto University, Kyoto, Japan (April 3, 2023).
  7. K. Kawase, S, Mine, K. Murate, “Injection seeded THz parametric generation, detection, and applications (Invited),” International Conference on Microwave & THz Technologies and OptoElectronics (IRPhE'2022), MW9, National Academy of Sciences in Yerevan, Armenia (Sept. 27-30, 2022).
  8. K. Murate, and K. Kawase, "Real-time measurement system using multi-wavelength THz-wave parametric generation and detection (invited)," the 8th International Conference on Antennas and Electromagnetic Systems (AES 2022), Kenzi Rose Garden, Marrakech, Morocco, Online meeting (May 24-27, 2022)
  9. K. Kawase, S. Mine, and K. Murate, “Transmission THz spectroscopy through thick shielding (Invited)" Colloquium Lecture at CSIR-NPL (Council of Scientific & Industrial Research, National Physical Laboratory), New Delhi, Ministry of Science and Technology, Govt. of India, Online meeting (May 13, 2022).
  10. K.Murate, and K. Kawase, "Development of terahertz parametric generator for real-time measurement (invited)," 9th Russia-Japan-USA-Europe Symposium on Fundamental & Applied Problems of Terahertz Devices & Technologies (RJUSE TeraTech-2021), Th4-2, Tohoku University, Japan (Nov. 1-Nov. 4, 2021).
  11. Kosuke Murate, Kodo Kawase, "Development of a Terahertz Parametric Generator/Detector for Nondestructive Testing(invited)," JSAP-OSA Joint Symposia, E 12a-N405-2, Online meeting(Sep.10-13,2021).
  12. Sota Mine, Kodo Kawase, Kosuke Murate, "Development Of A High Signal To Noise Ratio Terahertz-wave Parametric Generator (keynote)," 46th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2021), Mo-AM-1-1 5089155 , Online meeting (Aug. 29-Sep. 3, 2021).
  13. Kosuke Murate, Kohei Nagase, Kodo Kawase, "Wide Dynamic Range Imaging System Using Three-stage Terahertz Parametric Detector (keynote)," 46th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2021), Mo-AM-6-1 5094375 , Online meeting (Aug. 29-Sep. 3, 2021).
  14. K. Kawase and K. Murate, "Injection-seeded THz parametric generator, detector, and applications (Invited)," Instruments Research and Development Establishment (IRDE), Diamond Jubilee Lecture Series, Virtual Event (Mar. 23, 2021)
  15. K. Murate, K. Kawase, “High-brightness THz source with wide tunability (Invited),” OSA High-brightness Sources and Light-driven Interactions Congress, MW3C.1, OSA Virtual Event (Nov. 16-20, 2020).
  16. K. Murate, K. Kawase, “Injection-seeded THz parametric generator, detector, and application (Invited),” SPIE Optical Engineering + Applications 2020, Paper No. 11499-14, Digital Forum (Aug. 24-Sept. 4, 2020).
  17. K. Kawase and K. Murate "Non-destructive inspection of chemicals in mail envelopes using THz parametric generator (Invited)," 20th World Conference on Non-Destructive Testing (20th WCNDT 2020) COEX (Convention & Exhibition Center), Seoul, Korea (June 8-12, 2020).
  18. K. Murate, H. sakai, K. Kawase, “ Extremely weak terahertz wave amplification using terahertz parametric amplifier," The 11st Asian Symposium on Intense Laser Science (ASILS11) (invited), The St. Regis Tianjin, Tianjin, China (Oct. 29 - Nov. 1, 2019)
  19. K. Kawase and K. Murate "Non-destructive inspection of chemicals in mail envelopes using THz parametric generator (Invited)," 20th World Conference on Non-Destructive Testing (20th WCNDT 2020) COEX (Convention & Exhibition Center), Seoul, Korea (June 8-12, 2020).
  20. K. Kawase, H. Sakai, K. Murate, “Highly sensitive THz parametric detection (Invited), SPIE Photonics Europe 2020, Palais de la Musique et des Congrès, Strasbourg, France (Mar. 29-Apr. 2, 2020).
  21. 村手11th Asian Symposium on Intense Laser Science (ASILS11), The St. Regis Tianjin, Tianjin, China. (Oct. 29 - Nov. 1, 2019).
  22. K. Kawase, H. Sakai, K. Murate, “Ultra-sensitive THz parametric detection (Invited),” International Conference on Optics and Optoelectronics (ICOL-2019), Instruments R&D Establishment, Dehradun, India (Oct. 19-22, 2019).
  23. K. Kawase, H. Sakai, K. Murate, “Highly Sensitive THz Detection using is-TPG (Invited),” The 5th International Symposium on Microwave/Terahertz Science and Applications (MTSA2019), Hanhwa Resorts Haeundae Tivoli, Busan, Korea (Sept. 29 – Oct. 3, 2019).
  24. R. Mitsuhashi, T. Horiuchi, K. Murate, K. Kawase, "Terahertz Tag Identifiable Through Shielding Material (keynote)", 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2019), Fr-AM-2-1, Maison de la Chimie Conference Center, Paris, France (Sep. 1-6, 2019).
  25. K. Murate, H. Sakai, Y. Guo, K. Kawase, "Low Noise And High Gain Terahertz Parametric Amplifier (keynote)", 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2019), We-PM1-3-1, Maison de la Chimie Conference Center, Paris, France (Sep. 1-6, 2019).
  26. K. Murate, Y. Guo, H. Sakai, K. Kawase, "High gain Terahertz wave parametric amplifier using LiNbO3 crystal (Invited)", The 7th Advanced Electromagnetics Symposium, 2A6-1, Instituto Superior Técnico (IST), Lisbon, Portugal (Jul. 23-26, 2019).
  27. K. Murate, H. Sakai, Y. Guo, K. Kawase, "Terahertz wave parametric amplification using LiNbO3 crystal pumped by the microchip Nd:YAG laser (Invited)", The 7th Laser Ignition and Giant-microphotonics Conference (LIC2019), LIC2-04, Pacifico Yokohama, Japan (Apr. 23-25, 2019).
  28. K. Murate, K. Kawase, "One shot detection of drugs hidden in envelopes using multiwavelength is-TPG (Invited),” SPIE Conference SI106 “Next-Generation Spectroscopic Technologies XII”, 10983-15, Baltimore Convention Center, Maryland, USA (April 14-18, 2019).
  29. K. Kawase, K. Murate, "Detection of drugs using is-TPG system (Invited),” International Workshop onTHz Technology (IWOTT 2019), Fairmont Chateau Lake Louise, Alberta, Canada (April 12-14, 2019).
  30. K. Murate, and K. Kawase, "Multi wavelength injection-seeded THz parametric system (Invited)," 3rd International Conference on Terahertz and Microwave Radiation: Generation, Detection and Applications (TERA 2018), S3.3-2, Institute of Applied Physics of the Russian Academy of Sciences, Nizhny Novgorod, Russia (Oct. 22-25, 2018).
  31. K. Kawase, K. Murate, "Multi wavelength is-TPG for one-shot spectroscopy (Plenary),” International Conference on Microwave & THz Technologies, and Wireless Communications (IRPhE 2018), TH-6, Arthurs Aghveran Resort, Aghveran, Armenia (Sept. 19-21, 2018).
  32. K. Kawase, Y. Guo, K. Maeda and K. Murate, "Multi wavelength THz source for one-pulse spectroscopy (Invited),” 7th Russia-Japan-USA-Europe Symposium on Fundamental & Applied Problems of Terahertz Devices & Technologies (RJUSE Tera-Tech 2018), Tu1-1, CBF Nowy Swiat, Warsaw, Poland (Sept. 17-21, 2018).
  33. K. Murate, K. Maeda, Y. Guo and K. Kawase, "Multi wavelength injection-seeded THz parametric generator (Invited)," The 6th Advanced Electromagnetics Symposium (AES 2018), 4A2, Marseille, France (June 24 – July 1, 2018).
  34. K. Kawase, Y. Guo, K. Maeda, and K. Murate, "THz spectrometer using injection-seeded parametric generator (Invited),” 11th Asia-Pacific Laser Symposium (APLS 2018), B12, Sheraton Xian North City Hotel, Xi’an, China (May 28-31, 2018).
  35. K. Kawase, and K. Murate, "The applications of terahertz parametric sources (Invited)," The 9th International Symposium on Ultrafast Phenomena and Terahertz Waves (ISUPTW2018), TuH2, Changsha Empark Grand Hotel, Changsha, China (Apr. 23-26, 2018).
  36. K. Kawase, K. Murate, "THz spectroscopic imaging using is-TPG (Invited)," The 10th Asian Symposium on Intense Lasers (ASILS 2018), American University of Sharjah, Dubai (March 10-13, 2018).
  37. K. Takeya, R. Yamazaki, K. Oota, H. Uchida, K. Kawase, "Cherenkov phase matching THz wave generation from OH1 thin film crystal (Invited)", The 4th Microwave/THz Science and Applications, Iv-70, Okayama Convention Center, Okayama, Japan (Nov. 19 - 23, 2017)
  38. K. Kawase and K. Murate, "Injection-seeded THz parametric generator and its applications (Invited)," Russia-Japan-USA-Europe Symposium on Fundamental &Applied Problems of Terahertz Devices & Technologies (RJUSE 2017), Rensselaer Polytechnic Institute, Troy NY, USA (Oct. 1-5, 2017). 　
  39. K. Kawase, K. Murate, "THz spectroscopic imaging using optical parametric generator (Invited)," 7th Nano and Giga Forum (NGC/CTRP 2017), Tomsk, Russia (Sept. 18-22, 2017).
  40. K. Kawase and K. Murate, "THz parametric source and its applications (Invited)," International Conference on Advanced Laser Technologies (ALT'17), ThB-III-5, Hanwha Resorts Haeundae Tivoli, Busan, Korea (Sept. 10-15, 2017).
  41. S. Yoneda, M. Kato, K. Murate, K. Kawase, "THz spectroscopic imaging of reagents hidden in a 56 dB attenuated cardboard box using is-TPG (Keynote), The 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2017), RB1.3, the Cancun International Convention Center, Cancun, Mexico (Aug. 27 - Sept. 1, 2017).
  42. K. Kawase, and K. Murate "Sensing of hidden drugs using is-TPG (Invited)" OSA Advanced Photonics Congress, SeTh1E.2, Astor Crowne Plaza, New Orleans, United States (July 24 - 27, 2017).
  43. K. Kawase, K. Murate, "NDI using injection-seeded THz parametric generators (Invited)," Terahertz Science and Technology The Mansion Meeting, Vanderbilt Grace Hotel, Newport, USA (May 22-25, 2017).
  44. K. Kawase, K. Murate, "Injection-seeded THz parametric generator/amplifier (Invited)," CLEO Science & Innovations, SM1J5, San Jose Convention Center, San Jose, USA (May 14-19, 2017).
  45. K. Kawase, K. Murate, K. Takeya, "Nonlinear optical THz generations and applications (Tutorial)," The seventh international conference on Optical Terahertz Science and Technology (OTST 2017), P.20, University College London, London, UK (April 2-7, 2017).
  46. K. Kawase, K. Okimura, K. Takeya, "THz tomography using nonlinear optical effects (Invited)," Third International Workshop on THz Technology (IWOTT 2017), Salt Lake City, USA (Feb. 3-6, 2017).
  47. K. Kawase, K. Okimura, Y. Nishizawa, K. Takeya, "Film thickness determination using ultrashort terahertz pulses (Invited)," SPIE Photonics West 2017, Conference 10103 "Terahertz, RF, Millimeter, and Submillimeter- waves technology and applications X", 10103-26, Moscone Center, San Francisco, USA (Jan. 28 - Feb. 2, 2017).
  48. S. Hayashi, K. Nawata, K. Kawase, and H. Minamide, “High-brightness Continuousely-tunable Sub-terahertz wave Source (Invited),” 2016 EMN Vacuum Electronics Meeting, Dubai, United Arab Emirates (Nov. 13-17, 2016).
  49. K. Kawase, M. Kato, K. Murate, "THz spectroscopic imaging of chemicals using is-TPG (Invited),” 5th Russia-Japan-USA-Europe Symposium on Fundamental & Applied Problems of Terahertz Devices & Technologies (RJUSE TeraTech-2016), We2-1, Sakura Hall, Tohoku University, Japan (Oct. 31-Nov. 4, 2016).
  50. K. Murate, M. Kato, R. Yamazaki, K. Kawase, "THz Spectroscopic Imaging of Chemicals Hidden in Thick Envelopes (Invited)", Energy, Materials and Nanotechnology Meeting on Terahertz, C45, San Sebastian, Spain (May. 14-18, 2016).
  51. S. Hayashi, K. Nawata, K. Kawase, H. Minamide, "Terahertz-wave parametric wavelength conversion (Invited)" Energy, Materials and Nanotechnology Meeting on Terahertz, B47, San Sebastian, Spain (May. 14-18, 2016)
  52. K. Takeya, T. Minami, K. Kawase, "Terahertz Generation from Waveguide Nonlinear Optical Crystals Using Cherenkov Phase Matching (Invited)", Energy, Materials and Nanotechnology Meeting on Terahertz, D43, San Sebastian, Spain (May. 14-18, 2016).
  53. K. Kawase, K. Murate, S. Hayashi, “THz spectrometer using is-TPG (Invited),” 10th Asia-Pacific Laser Symposium (APLS 2016), KAL Hotel, Jeju, Korea (May 10-14, 2016).
  54. K. Kawase, M. Kato, K. Murate, "Non-destructive THz imaging of chemicals using is-TPG (Invited)" 5th EOS Topical Meeting on Terahertz Science & Technology (TST 2016), Hotel Palatinus, Pecs, Hungary (May 8-11, 2016).
  55. K. Kawase, M. Kato, R. Yamazaki, K. Murate, "THz spectroscopic imaging of chemicals through thicker obstacles (Invited)" SPIE DCS Conference Terahertz Physics, Devices, and Systems X, Paper No. 9856-2, Baltimore convention center, USA (April 17-21, 2016).　
  56. K. Takeya, T. Minami, K. Kawase, " Cherenkov Phase Matched Terahertz Generation from Waveguide Nonlinear Optical Crystals (Invited)," Energy, Materials and Nanotechnology Meeting on Optoelectronics, B23, Holiday Inn Resort Phuket, Phuket, Thailand (Apr. 12-15, 2016).
  57. K. Murate, K. Imayama, S. Hayashi, K. Kawase, “High efficiency THz generation using MgO:LiNbO3 crystal (invited)”, Energy, Materials and Nanotechnology Meeting on Optelectronics, A16, Holiday Inn Resort Phuket, Phuket, Thailand (Apr. 12-15, 2016).
  58. K. Kawase, K. Murate, M. Kato, "Generation and detection of THz waves using nonlinear optical devices and applications to spectroscopic sensing and imaging (Invited)," Spain-Japan workshop on Millimeter-wave and Terahertz, Universidad Carlos III de Madrid, Puerta de Toledo Campus, Madrid, Spain (Mar. 17-18, 2016).
  59. K. Kawase, S. R. Tripathi, "Morphological study of human sweat ducts for the investigation of THz-wave interaction (Invited)," SPIE BiOS Conference: Optical Interactions with Tissue and Cells XXVII, Paper 9706-8, The Moscone Center, San Francisco, USA (Feb. 14 - 17, 2016).
  60. K. Kawase, K. Murate, M. Kato, R. Yamazaki "Nonlinear optical THz-wave generation and applications (invited)" Energy, Materials and Nanotechnology (EMN) Meeting 2015, C-01, Eaton Hotel, Hong Kong (Dec. 9-12, 2015).
  61. K. Kawase, K. Murate, S.R. Tripathi, "THz parametric generation and applications (invited) " The 2015 Vacuum Electronics Meeting, T21, Las Vegas, USA (Nov. 21-24, 2015).
  62. K. Kawase, K. Murate, M. Kato and S. Hayashi, "Injection seeded THz spectrometer for mail inspection (Invited)" JSAP-OSA Joint Symposia 2015, 15a-2E-1, Nagoya Congress Center, Nagoya, Japan (Sept. 13-16, 2015).
  63. K. Kawase, R. Yamzaki, K. Imayama, K. Murate, "Evolved injection seeded THz-wave spectrometer for mail inspection (Keynote)," The 40th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2015), M2C-1, The Chinese University of Hong Kong, Hong Kong, China (Aug. 23 - 28, 2015).
  64. S. Hayashi, K. Nawata, K. Kawase, H. Minamide, "Ultrabright terahertz-wave generation using nonlinear wavelength conversion at room temperature (invited)," The EMN Cancun Meeting 2015, B24, The Westin Resort & Spa, Cancun, Mexico (June 8-11, 2015).
  65. K. Kawase, K. Murate, S. Hayashi, "Nonlinear optical THz-wave generation using LiNbO3 (Invited)," The 3rd International Symposium on Microwave/Terahertz Science and Applications (MTSA2015/TeraNano VI), A2-8, Okinawa Institute of Science and Technology, Okinawa, Japan (June 30 - July 3, 2015).
  66. K. Kawase, R. Yamazaki, S. R. Tripathi, "THz non-destructive inspections include effluent gas filters (Invited)," T4A.1, Laser Ignition Conference (LIC 2015), Argonne National Laboratory, Argonne, USA (April 27-30, 2015).
  67. K. Kawase, K. Murate, K. Imayama, S. Hayashi, "THz-wave parametric amplifier using LiNbO3 crystal (Invited)" SPIE DSS Conference on Terahertz Physics Devices and Systems (ST104), 9483-7, Baltimore, USA (April 20-25, 2015).
  68. S. R. Tripathi, E. Miyata and K. Kawase, "Structural parameters of human sweat ducts and their frequency of resonance (Invited)" 6th International THz-Bio workshop 2015, Seoul National University, Seoul, Korea (April 8-10, 2015).
  69. K. Kawase, K. Murate, S. Hayashi, S.R. Tripathi, "Terahertz wave parametric amplifier (Invited)," The sixth international workshop on Optical Terahertz Science and Technology (OTST 2015), The Catamaran Resort Hotel, San Diego, USA (Mar. 8-13, 2015).
  70. K. Kawase, K. Murate, S. Hayashi, H. Minamide "THz-wave parametric amplifier (Invited)," The Fifth International Symposium on Terahertz Nanoscience (TeraNano V), Hôtel La Batelière, Martinique, France. (Dec. 1-5, 2014).
  71. S. Hayashi, K. Murate, K. Kawase "Terahertz parametric oscillator sources (Invited)," 2014 Advanced Solid-State Lasers (ASSL), AW2A.1, Hilton Shanghai Hongqiao, China (Nov. 16-21, 2014).
  72. K. Kawase, K. Murate, S. R. Tripathi, "Novel Techniques for THz-wave measurement (Invited)," Advances in Live Cell Thermal Imaging and Manipulation (ALSCTIM2014), OIST, Okinawa (Nov. 10-13, 2014).
  73. K. Kawase, K. Murate, S. Hayashi, H. Minamide "THz parametric amplifier using LiNbO3 crystal (Invited)," OSA Optics and Photonics Congress on Advanced Photonics (SENSORS), SeTh4B.2, Crowne Plaza Barcelona Fira Center, Barcelona, Spain (July 27-31, 2014).
  74. K. Kawase, K. Murate, S. Hayashi, H. Minamide "Parametric generation and amplification of THz-waves (Invited)," 5th workshop on Terahertz Science and Technology, Elba island, Italy (July 6-10, 2014).
  75. N. Yaekashiwa, H. Shimizu, S. Hayashi, and K. Kawase, " A research on the non-thermal effect of widely tunable terahertz-wave irradiation on cells (Invited)," International Conference on Laser Application in Life Sciences 2014 (LALS 2014), Ulm, Germany (June 29 - July 02, 2014).
  76. S. Hayashi, K. Nawata, K. Kawase, and H. Minamide,"High-peak-power, Single-longitudinal-mode, Continuousely Tunable Terahertz-wave Generation Pumped by a Microchip Nd: YAG Laser (Invited)," BIT's 3rd Annual conference and EXPO of AnalytiX-2014, Terahertz Technology based Spectroscopy (Part I), Dalian International Convention Center, Dalian, China (April 25-28, 2014).
  77. N. Yaekashiwa, H. Shimizu, S, Hayashi, and K. Kawase, " A research on the non-thermal effect of external THz irradiation on cultured human cells (Invited), " 5th International THz-Bio Workshop 2014, Seoul National University, Korea (Apr. 02-04, 2014).
  78. S. R. Tripathi and K. Kawase, "High power terahertz wave sources and their practical applications (Invited)" International conference on optics and optoelectronics (ICOL 2014), IT-THT-02, IRDE, Dehradun, India (March 5-8, 2014).
  79. K. Kawase, S. Hayashi, H. Minamide, “Nonlinear optical terahertz sources and applications (Invited),” The 6th Nano & Giga Challenges Symposium and Summer School (NGC2014), Arizona State University, USA (March 10-14, 2014).
  80. K. Kawase, S. Fan, S. Hayashi, “Efficient nonlinear optical THz sources using LiNbO3 (Invited)," 21st International Conference on Applied Electromagnetics and Communications (ICECom), Dubrovnik, Croatia (Oct. 14-16, 2013).
  81. K. Kawase, S. Fan, S. R. Tripathi, “Efficient nonlinear optical THz sources using LiNbO3 (Invited)," International Symposium on Microwave/Terahertz Science and Application (MTSA 2013), T1-3, Shanghai Institute of Microsystem and Information Technology, Shanghai, China (July 22-23, 2013).
  82. S. Hayashi, K. Nawata, K. Kawase, H. Minamide, "High-peak-power and Tunable Terahertz-wave Generation by using Nonlinear Parametric Conversion (Invited)," PIERS2013 Stockholm (Progress In Electromagnetics Research Symposium), SC4, Kistamassan exhibition centre, Stockholm, Sweden (Aug. 12-15, 2013).
  83. K. Kawase, S. R. Tripathi, S. Hayashi, "Widely tunable THz sources and security applications (Invited)," SPIE Conference on Terahertz Physics, Devices, and Systems VII (SPIE DSS2013), 8716-15, Baltimore Convention Center, USA (Apr. 29 - May 3, 2013).
  84. K. Kawase, S. Fan, S. Hayashi, “Nonlinear optical THz sources and applications (Invited),” IEEE International Wireless Symposium (IWS 2013), TU4A-1, China National Convention Center, Beijin, China (Apr. 13-18, 2013).
  85. K. Kawase, S. Hayashi, K. Takeya, “Novel high power THz sources and applications (Invited),” The 4th THz-Bio Workshop, O-16, Seoul National University, Seoul, Korea (Feb. 14-15, 2013).
  86. K. Kawase, S. Hayashi, H. Minamide, “Nonlinear optical THz generations and applications (Invited),” Photonics West 2013, Conference on Terahertz and Ultrashort Electromagnetic Pulses for Biomedical Applications, 8585-2, The Moscone Center, San Francisco, USA (Feb. 2-7, 2013).
  87. K. Kawase, S. Hayashi, K. Takeya, “Nonlinear optical THz-wave sources and applications (Invited),” International Conference on Frontiers in Materials Science, Chemistry & Physis, Molecular Materials Meeting (M3), S-MAST-0125, pp. 36, Biopolis, Singapore (Jan. 14-16, 2013).
  88. K. Kawase, S. R. Tripathi, S. Hayashi, “Nonlinear optical THz generation and applications (Invited),” The international conference on fiber optics and photonics (Photonics 2012), T3A-1, Indian Institute of Technology (IIT) Madras, Chennai, India (Dec 9-12, 2012).
  89. T. Ouchi, K. Kajiki, T Koizumi, T Itsuji,Y. Koyama, R. Sekiguchi and K. Kawase, "Terahertz imaging system and devices for medical applications (Invited)," Internatianal Symposium on Frontiers in THz Technology (FTT2012), ThP.3, Nara, Japan (Nov. 26-30, 2012).
  90. K. Kawase, S. Hayashi and H. Minamide, “Highly efficient THz-wave parametric generation and detection (Plenary),” Internatianal Symposium on Frontiers in THz Technology (FTT2012), PL3.2, Nara, Japan (Nov. 26-30, 2012).
  91. K. Kawase, S. Hayashi, H. Minamide, “Nonlinear optical terahertz wave generation and applications (Invited), International conference on microwave and THz technologies and wireless communications (IRPhE’2012)), Yerevan, Armenia (Oct. 16-17, 2012).
  92. H. Minamide, S. Hayashi, K. Nawata, K. Kawase, “High-power and Tunable Terahertz-wave Generation and Sensitive Detection by using Nonlinear Parametric Conversion (Invited),” 37th International conference on infrared, millimeter and terahertz waves (IRMMW-THz 2012), Mon-B-1-2, University of Wollongong, Australia (Sept. 23-28, 2012).
  93. P. Ben Ishai, E. Mamontov, A.P. Sokolov, J. Nickels, K. Kawase, Y. Feldman, "Water revisited - unifying a myriad of beliefs (Invited)", The 7th International Conference on Broadband Dielectric Spectroscopy (BDS 2012), University Leipzig, Leipzig, Germany (Sept. 3-7, 2012).
  94. K. Kawase, S. R. Tripathi, M. Yamaguchi, S. Hayashi, “Tunable THz wave sources and real life applications (Invited),” The 7th International Conference on Broadband Dielectric Spectroscopy (BDS 2012), p. 68, University Leipzig, Leipzig, Germany (Sept. 3-7, 2012).
  95. K. Kawase, S. Hayashi, K. Takeya, “Nonlinear optical THz-wave sources and applications (Invited),” SPIE Optics + Photonics, Terahertz Emitters, Receivers, and Applications III (Conference OP218), Paper No. 8496-13, San Diego Convention Center, San Diego, USA (Aug. 12-16, 2012).
  96. K. Kawase, S. Hayashi, H. Minamide, “Nonlinear optical THz generation and applications (Invited),2-nd International Conference "Terahertz and Microwave radiation: Generation, Detection and Applications" (TERA-2012), p. 9, Lomonosov Moscow State University, Russia (June 20-22, 2012).
  97. K. Kawase, S. Hayashi, S. Tripathi, “Nonlinear optical THz sources and applications (Invited),” 3rd EOS Topical Meeting on Terahertz Science & Technology (TST 2012), #5341, Kaiserstejnsky Palace, Prague, Czech Republic (June 17-20, 2012).
  98. K. Kawase, S. Hayashi, K. Takeya, “Nonlinear optical THz sources and real-life applications (Invited),” The 7th Asia-Pacific Microwave Photonics Conference (APMP), ThA-2, Kyoto, Japan (Apr. 25-27, 2012).
  99. K. Kawase, K. Takeya, S. Hayashi, "Nonlinear optical THz generations and applications (Invited),” The 4th International Workshop on Far-Infrared Technologies 2012 (IW-FIRT 2012), 8a-2, Fukui University (Mar. 7-9, 2012).
  100. K. Kawase, M. Yamaguchi, S. Hayashi, “THz techniques for measuring human skin (Invited),” 3rd International THz-Bio Workshop, O6, Seoul National University, Seoul, Korea (Feb. 6-9, 2012).
  101. K. Kawase, S. Hayashi, “Terahertz techniques for human skin measurement (Invited), Photonics West 2012, (BiOS) Conference on Optical Interactions with Tissue and Cells XXIII, Paper No. 8221-27, Moscone Center, San Francisco, USA (Jan. 21-26, 2012).
  102. K. Kawase, S. Hayashi, “Widely tunable THz sources using nonlinear optical effects (Invited),” 4th Japan-Korea joint Workshop on Terahertz Technology, S4-4, Nagoya University (Dec. 19-20, 2011).
  103. T. Ouchi, K. Kajiki, M. Shioda, T. Itsuji, K. Kawase, "Terahertz tomography system using fiber lasers and its applications (Invited)" 2nd Workshop of International Terahertz Research Network (GDR-I THz 2011), 29I-05, Osaka University (Nov. 24-29, 2011).
  104. K. Kawase, S. Hayashi, “Nonlinear optical terahertz generation and sensing applications (Invited),” 2nd Workshop of International Terahertz Research Network (GDR-I THz 2011), 29I-08, Osaka University (Nov. 24-29, 2011).
  105. K. Kawase, “Tunable THz wave sources and real life application (Plenary),” 3rd Shenzhen International Conference on Advanced Science and Technology (SICAST2011), Shenzhen University, China, (Nov.21- 25, 2011).
  106. K. Kawase, "Nonlinear optical THz generation and sensing applications (Plenary)," 4th International Photonics and OptoElectronics Meetings (POEM 2011), Wuhan Science & Technology Convention & Exhibition Center, Wuhan, China (Nov. 2-5, 2011).
  107. K. Kawase, S. Hayashi, “THz techniques for human skin measurement (Keynote),” The International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2011), M4D.1, Hyatt Regency Downtown Houston, USA (Oct. 2-7, 2011).
  108. K. Kawase “Nonlinear optical waveguide for THz tomography (Invited),” The XXX General Assembly and Scientific Symposium of the International Union of Radio Science (Ursigass 2011), DAF1.6, Istanbul, Turkey (Aug. 13-20, 2011).
  109. K. Kawase, T. Shibuya and K. Suizu, "Wideband terahertz generation using nonlinear optical waveguide (Invited)," OSA Topical Meeting on Nonlinear Optics in 2011, NMC3, Lihue-Kauai, USA (July 17-22, 2011).
  110. K. Kawase, “Industrial THz sensing applications (Invited),” Terahertz Science and Technology - the castle meeting - , Marburg, Germany (July 2-6, 2011).
  111. K. Kawase, S. Hayashi, "Nonlinear optical THz generations and sensing applications (Invited)" The 33rd Annual Meeting of The Bioelectromagnetics Society (BEMS), AFI-2, Dalhousie University, Halifax, Canada (June 12-17, 2011).
  112. K. Kawase, A. Iwasaki, T. Shibuya, "Terahertz spectral imaging for drug inspection (Invited)," ATuE5, CLEO-Application & Technology, Baltimore, USA (May 1-6, 2011).
  113. K. Kawase, T. Shibuya, K. Suizu, and S. Hayashi, "Nonlinear optical THz generations and real life applications (Invited)" International Workshop on Optical Terahertz Science and Technology 2011 (OTST 2011), WC5, Santa Barbara, California, (Mar. 13-17, 2011).
  114. K. Kawase, “THz wave generation and real-life applications (Invited),” International Symposium on Interdisciplinary Materials Science (ISIMS 2011), L-15, Epochal Tsukuba (Mar. 9-10, 2011).
  115. K. Kawase, “THz techniques for human skin measurement (Invited),” International workshop “Genotoxic Effects of THz Radiation in Vitro", Physikalisch-Technische Bundesanstalt, Braunschweig, Germany (Dec. 6-7, 2010).
  116. K. Kawase, T. Shibuya, K. Suizu, S. Hayashi, “Novel THz-wave generation technique and applications (invited),” 20th International Conference on Applied Electromagnetics and Communications (ICECom 2010), S17P06, Dubrovnik, Croatia (Sept. 20-23, 2010).
  117. T. Ouchi, K. Kajiki, M. Shioda, S. Kasai, K. Kawase, and T. Itsuji, "Terahertz tomography system using fiber lasers and applications (Keynote)," The 35th International Conference on Infrared and Millimeter and Terahertz Waves (IRMMW-THz2010), We-A2.2, The Angelicum, Pontificia Universita' S. Tommasod'Aquino, Rome, Italy (Sep. 6-10, 2010).
  118. K. Kawase, T. Shibuya, K. Suizu, “THz techniques for skin measurement (Keynote),” The International Conference on Laser Applications in Life Sciences 2010 (LALS-2010), Oulu University, Finland (June 9-11, 2010).
  119. K. Kawase, T. Shibuya, K. Suizu, S. Hayashi, “Novel THz-wave generation technique and applications (invited),” 7th Asia-Pacific Laser Symposium (APLS2010), Th-E3-5, Jeju-island, Korea (May 11-15, 2010).
  120. K. Kawase, T. Shibuya, K. Suizu, S. Hayashi, “THz wave generation and imaging for industrial applications (invited),” SPIE Defense, Security, and Sensing 2010, (Terahertz Physics, Devices, and Systems IV: Advanced Applications in Industry and Defense), 7671-24, Orlando World Center Marriott Resort & Convention Center, Orlando, Florida, USA (5 - 9 April 2010) .
  121. K. Kawase, T. Shibuya, K. Suizu, S. Hayashi, “THz generation and industrial applications (Keynote),” International Forum on Terahertz Spectroscopy and Imaging, Kaiserslautern University, Germany (Mar. 2-4, 2010).
  122. K. Suizu, H. Ochiai, T. Shibuya, H. Uchida and K. Kawase, "Ultra Broad Band Terahertz-wave Generation via Nonlinear Frequency Conversion Processes (invited)," 2nd Global COE International Symposium on Electronic Devices Innovation (EDIS2009), WAC3-C2, Osaka University, Osaka, Japan (Dec. 11-12, 2009).
  123. H. Uchida, H. Ochiai, T. Shibuya, K. Suizu and K. Kawase, "Improvement of Laser Tolerance of DAST Crystal by Annealing Method for High Power Terahertz-wave Generation (invited)", 2nd Global COE International Symposium on Electronic Devices Innovation (EDIS2009), WAC3-C2, Osaka University, Osaka, Japan (Dec. 11-12, 2009).
  124. K. Kawase, K. Suizu, T. Shibuya and S. Hayashi, “THz generation and imaging applications,” International Workshop on Terahertz Technology 2009, Osaka, Japan (Nov. 30 - Dec. 3, 2009).
  125. T. Ouchi, S. Kasai, T. Itsuji, K. Kajiki, T. Katagiri, H. Yoneyama, A. Tanabashi, M. Yamashita, H. Ito, J. Takayanagi, and K. Kawase, "Terahertz radiation emission and sensor devices for biological sensing (invited)," 2nd International Workshop on Terahertz Technology (TeraTech '09), 1I-B5, Osaka University Osaka, Japan (Nov. 30 - Dec. 3, 2009).
  126. K. Kawase, S. Hayashi, K. Suizu, and T. Shibuya “Real life applications of terahertz imaging (invited),” 2009 Eastern Analytical Symposium and Exposition, paper No. 213, Garden State Exhibit Center, Somerset, USA (Nov. 16-19, 2009).
  127. K. Kawase, K. Suizu, T. Shibuya, and S. Hayashi, "Nolinear optical THz-wave generations and imaging/sensing applications (keynote),” IRMMW-THz 2009 Post-Conference Distinguished Lectures on THz Science and Technology, Seoul National University, Korea (Sep. 26-27, 2009).
  128. K. Kawase, T. Shibuya, S. Hayashi, K. Suizu, “Terahertz light sources and imaging applications (invited),” 14th International Symposium on Laser-Aided Plasma Diagnostics (LAPD 14), G7, Castelbrando, Italy (Sept. 21-24, 2009).
  129. Y. Ogawa, S. Hayashi, H. Yoshida, C. Otani, K. Kawase, "Terahertz Imaging for Label-Free Protein Detection (keynote)," The 34th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz 2009), W2C01.0218, Busan, Korea, (Sept. 21-25, 2009).
  130. K. Kawase, T. Shibuya, S. Hayashi, K. Suizu, “Terahertz generation and sensing/imaging applications (invited),” The 8th Pacific Rim Conference on Lasers and Electro-Optics, TuG3-2, Shanghai, China (Aug. 30-Sep. 3, 2009).
  131. K. Kawase, S. Hayashi, T. Shibuya, K. Suizu, “THz wave generations and imaging applications (invited),” the topical conference on terahertz technologies "Terahertz Diagnostics and Treatment" (TDT-2009), Nizhny Novgorod, Russia (July 19-25, 2009).
  132. K. Kawase, K. Suizu, S. Hayashi, T. Shibuya, “THz-wave generations and applications (invited),” International Symposium on Photoelectronic Detection and Imaging 2009 (ISPDI 2009), Beijing, China (June 17-19, 2009).
  133. K. Kawase, K. Suizu, T. Shibuya, S. Hayashi, “THz-wave generations and imaging applications (invited),” The 1’st International Joint Workshop for Advanced Materials, Devices and Convergence Technologies, Pusan, Korea (May 7-8, 2009).
  134. H. Hoshina, Y. Sasaki, A. Hayashi, C. Otani, K. Kawase "Noninvasive mail inspection system with terahertz radiation (invited)" SPIE Defense, Security + Sensing, Orlando World Center Marriott Resort & Convention Center, Orlando, USA (Apr. 14-16, 2009).
  135. C. Otani, H. Hoshina, Y. Sasaki, A. Hayahshi, K. Kawase, "Terahertz imaging and spectroscopy for drug inspection and pathological cancer diagnosis (invited)," RGJ-Ph.D. Congress X, Pattaya, Thailand (Apr. 3-5, 2009).
  136. K. Kawase, T. Shibuya, K. Suizu, S. Hayashi, “THz wave generation and imaging applications (invited),” The International Conference on Laser Applications in Life Sciences 2008 (LALS2008), Sat-S25-01, Taipei International Conference Center, Taiwan (Dec. 4- 6, 2008).
  137. S. Hayashi, Y. Ogawa and K. Kawase, "Injection-seeded THz wave parametric generator using microchip Nd:YAG laser (invited)," The 21st Annual Meeting of The IEEE Lasers & Electro-Optics Society (LEOS2008), Newport Beach, USA, (Nov. 9 - 13, 2008).
  138. K. Kawase, “THz wave generation and imaging applications (invited),” THz Sensing and Imaging Workshop, Northeastern University, Boston, USA (Oct. 29-30, 2008).
  139. K. Kawase, S. Hayashi, and K. Suizu, "Applications of terahertz imaging and sensing (invited)," 2nd Japan-Korea Joint Workshop on THz Technology, Tokyo, Japan (Oct. 24-25, 2008).
  140. C. Otani, Y. Sasaki, H. Hoshina, A. Hayashi, K. Kawase, "Terahertz test apparatus for the inspection of mail envelopes (invited)," European Optical Society (EOS) Annual Meeting 2008, Paris, France, (Sept. 29 - Oct. 2, 2008).
  141. K. Kawase, T. Shibuya, K. Suizu, “THz-wave generation and applications (invited),” International Conference on Solid State Devices and Materials 2008 (SSDM2008), E-5-1, Epochal Tsukuba, Tsukuba, Japan (Sept. 23-26, 2008).
  142. K. Kawase, S. Hayashi, and Y. Ogawa, "THz wave generation and imaging applications (Plenary)," 20th International Conference on High Resolution Molecular Spectroscopy, A1, Prague, Czech Republic (Sept. 2-6, 2008).
  143. K. Kawase, K. Suizu, S. Hayashi, T. Shibuya, “Terahertz wave applications (invited),” The First Global Congress on Microwave Energy Applications (GCMEA2008), Otsu, Japan (Aug. 4-8, 2008).
  144. C. Otani, Y. Sasaki, H. Hoshina, K. Kawase, "Terahertz Sensing, Imaging and Applications (invited)," Royal Golden Jubilee (RGJ-Ph.D.) Congress IX, Pattaya, Thailand (April 4-6, 2008).
  145. Y. Ogawa, S. Hayashi, C. Otani and K. Kawase, "Terahertz Sensing for Ensuring the Safety and Security (invited)," The 23rd Progress In Electromagnetics Research Symposium (PIERS2008 in Hangzhou), 2A4, Hangzhou, China, (March 24-28, 2008).
  146. S. Hayashi, Y. Ogawa, K. Kawase, “"Terahertz wave parametric sources and applied researches (invited),” International Symposium on Humantronics Engineering, Yonsei University, Seoul, Korea (Feb. 15, 2008).
  147. J. Takayanagi, S. Kanamori, T. Shibuya, K. Suizu, K. Kawase, "Applications of Terahertz Imaging in Chemical Engineering & Pharmaceutical Science (invited)" UK-Japan Terahertz Workshop, Lumley Castle, UK (31 Oct.-2 Nov., 2007).
  148. C. Otani, Y. Sasaki, H. Hoshina, K. Kawase, "Development of the prototype system for inspecting illicit drugs in mails (invited)," UK-Japan Terahertz Workshop, Lumley Castle, UK (31 Oct.-2 Nov., 2007).
  149. K. Kawase, S. Hayashi, Y. Ogawa, "Sensing applications using terahertz wave (invited)," Seventh Japan-France Nano material workshop, Strasbourg, France (Oct. 24-26, 2007).
  150. C. Otani, H. Hoshina, Y. Sasaki, M. Yamashita, K. Kawase, "Terahertz Sensing, Imaging and Applications (invited)," The 33rd Congress on Science and Technology of Thailand (STT. 33), Walailak Univ., Thailand (19 Oct, 2007).
  151. C. Otani, H. Hoshina, Y. Sasaki, M. Yamashita, K. Kawase, "Terahertz Sensing, Imaging and Applications (invited)," Invited lecture at Department of Chemistry, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand (16 Oct, 2007).
  152. S. Hayashi and K. Kawase, “Terahertz-wave parametric generation and applications (invited)," 9th International Conference on Laser Ablation (COLA2007), Tenerife, Spain (Sep. 24-28, 2007).
  153. K. Kawase, S. Hayashi, “Terahertz-wave parametric generation and applications (invited)," SPIE International Symposium on Optics East 2007, Terahertz Physics, Devices, and Systems II (SA118), Boston, USA (Sept. 9-12, 2007).
  154. K. Kawase, Yuichi Ogawa, Chiko Otani, “Terahertz-wave generation and real-life applications (invited)," 7th Pacific Rim Conference on Lasers and Electro-Optics (CLEO/Pacific Rim 2007), ThH3-1, Seoul, Korea (Aug. 26-31, 2007).
  155. K. Kawase, C. Otani, Y. Ogawa, "THz generation and applications with photonic sources (invited)," The International Microwave Symposium (IMS2007), TH3E-04, Honolulu, Hawaii (June 3-8, 2007).
  156. K. Kawase, C. Otani, M. Yamashita, S. Hayashi, and Y. Ogawa, “Terahertz-wave sources and imaging applications (invited),” Asia-Pacific Microwave Photinics Conference (AP-MWP 2007), H-1, Jeju-island, Korea (Apr. 25-27, 2007).
  157. C. Otani, S. Ariyoshi, T. Taino, A. C. Dobroiu, H. Sato, H. M. Shimizu, K. Kawase, "Development of Terahertz Detectors using Superconducting Tunnel Junctions (invited)," The 2nd CREST Nano-Virtual-Labs Joint Workshop on Superconductivity (NVLS2006), Kyoto (Dec. 11-13, 2006).
  158. K. Kawase, “Terahertz (THz) wave applications (Keynote),” 9th Annual Japanese-American Kavil Frontiers of Science Symposium (JAFoS), The Beckman Center, Irvine, USA (Dec. 8-10, 2006).
  159. C. Otani, S. Ariyoshi, T. Taino, H. Sato, H. M. Shimizu, K. Kawase, "Radiation Detectors using Superconducting Tunnel Junctions (invited)," 14th International Symposium on Laser Spectroscopy (SOLS2006), KAERI, Daejeon, Korea (Nov. 9-10, 2006).
  160. C. Otani, M. Yamashita, Y. Ogawa, K. Kawase, "Terahertz Imaging and its Applications (invited)," 12th International Symposium on Advanced Techniques and Applications (ATA2006), Kyungnum Univ., Masan, Korea (Nov. 9-11, 2006).
  161. C. Otani, S. Ariyoshi, T. Taino, H. Myoren, S. Takada, H. Sato, H. M. Shimizu, K. Kawase, “Terahertz detectors using superconducting tunnel junctions (Invited),” 19th International Conference on Superconductivity (ISS2006), Nagoya, Japan (Oct. 30-Nov. 1, 2006).
  162. K. Kawase, S. Hayashi, Y. Ogawa, M. Yamashita and C. Otani, “THz wave parametric sources and applications (Keynote),” The 2nd EPS-QEOD (European Physical Society-Quantum Electronics and Optics Division) EUROPHOTON Conference on "Solid-state and fiber coherent light sources", SyA1, Pisa, Italy (Sept. 10-15, 2006).
  163. S. Ariyoshi, C. Otani, A. Dobroiu, H. Matsuo, H. Sato, T. Taino, K. Kawase, H. M. Shimizu, “Terahertz imaging with an STJ-based linear array detector (Invited),” Applied Superconductivity Conference 2006 (ASC2006), Seatle, USA (Aug.27-Sep.1, 2006).
  164. C. Otani, S. Ariyoshi, T. Taino, A. C. Dobroiu, T. Shibuya, H. Sato, H. M. Shimizu, K. Kawase, “Development of terahertz imaging detector using superconducting tunnel junctions (Invited),” Workshop on Mesoscopic Superconductivity and Magnetism (MesoSuperMag), Chicago, USA (Aug.28-Sep.1, 2006).
  165. K. Kawase, Y. Ogawa, Y. Sasaki, C. Otani, “THz rays to detect drugs of abuse (Invited),” NATO Advanced Research Workshop (ARW) 2006 - Terahertz Frequency Detection and Identification of Materials and Objects, Spiez, Switzerland (July 7 - 11, 2006).
  166. Y. Ogawa, S. Hayashi, E. Kato, H. Yoshida, F. Miyamaru, C. Otani, K. Kawase, “Terahertz label-free biochip sensors with thin metal mesh (Invited),” Progress in Electromagnetics Research Symposium (PIERS 2006), Tokyo, Japan (Aug. 2-5, 2006).
  167. K. Kawase, M. Yamashita, C. Otani, Y. Ogawa, “THz-wave parametric sources and imaging applications (invited),” MRS Symposium on Materials Research for THz Applications. San Francisco, CA (April 20 - 21, 2006).
  168. K. Kawase, “THz research and applications in RIKEN (tutorial)," International Forum on Terahertz Spectroscopy and Imaging, University of Kaiserslautern, Germany (Mar. 1-2, 2006).
  169. A. Dobroiu, K. Kawase, Y. Ogawa, M. Yamashita, C. Otani, “THz imaging applications (Invited),” SPIE International Symposium on Microelectronics, MEMS, and Nanotechnology, pp60380K-1, Brisbane, Australia (Dec. 11-15, 2005)
  170. K. Kawase, "THz compact sources and imaging applications (Invited)," Japanese- European Seminar on Terahertz Technology, British Embassy, Tokyo (Nov. 21, 2005).
  171. F. Miyamaru, C. Otani, K. Kawase, “THz souces and applications (Invited),” the 18th Annual Meeting of the IEEE Lasers and Electro-Optics Society, Sydney, Australia (Oct. 23-27, 2005.
  172. K. Kawase, M. Yamashita, Y. Ogawa, C. Otani, “THz-wave parametric sources and imaging applications (invited),” 18th International Conference on Applied Electromagnetics and Communications (ICECom), Dubrovnik, Croatia, (Oct. 12-14, 2005).
  173. K. Kawase, Y. Ogawa, M. Yamashita, C. Otani, “THz parametric sources and imaging applications (Plenary talk),” 13th International Conference on Terahertz Electronics (IRMMW2005/THz2005), Virginia, USA (Sept. 19-23, 2005).
  174. S. Hayashi, K. Maki, C. Otani, K. Kawase, “Terahertz Wave Parametric Sources(Invited),” International Symposium on Topical Problems of Nonlinear Wave Physics (NWP-2005), St.Petersburg, Russia (Aug. 2-9, 2005).
  175. A. Dobroiu, K. Kawase, M. Yamashita, Y. Ogawa, C. Otani "THz-wave sources and applications (Invited, tentative title)" NRC-IMS Biophotonics and Bioelectronics workshop, The Institute for Microstructural Sciences of the National Research Council of Canada, Ottawa (Aug. 15, 2005).
  176. A. Dobroiu, K. Kawase, “THz parametric sources and imaging applications (Invited),” Workshop on Physics and Technology of THz Photonics, Erice Sicily, Italy (July 20-26, 2005).
  177. K. Kawase, M. Yamashita, Y. Ogawa, and C. Otani, “Applications of THz Imaging (Invited),” The 6th Korea-Japan Joint Workshop on Microwave & Millimeter-wave Photonics, Gyeongju, Korea (Jan. 27-28, 2005).
  178. K. Kawase, "Real-life applications of THz imaging (Invited),” The Eighth International Symposium on Contemporary Photonics Technology CPT2005, Tokyo, Japan (Jan. 12-14, 2005).
  179. K. Kawase, M. Yamashita, Y. Ogawa and C. Otani “THz parametric sources and applications (Invited),” IEEE MTT Society Meeting, LA, USA (Jan. 8-9, 2005).
  180. K. Kawase, Y. Ogawa, C. Otani, “Detection of drugs in mail using THz-wave (Invited),” Workshop Terahertz in Defence and Security, Adelaide, Australia (Dec. 16-17, 2004).
  181. K. Kawase, “Terahertz parametric source and real-life applications (Invited),” 12th international Symposium on Laser Spectroscopy (SOLS 2004), KAERI, Daejon, Korea (Nov. 4-5, 2004).
  182. K. Kawase, "THz-wave parametric sources and imaging applications (Invited)," SPIE Conference on Solid State Laser Technologies, London, UK (Oct. 25-28, 2004).
  183. K. Kawase, "Terahertz imaging - new steps toward real-life applications (Keynote speech)," 12th International Conference on Terahertz Electronics (IRMMW2004/THz2004), Karlruhe, Germany (Sept. 27 - Oct. 1, 2004).
  184. M. Yamashita, T. Kiwa, M. Tonouchi, K. Nikawa, C. Otani1, K. Kawase, “Laser-THz emission microscope for inspecting electrical failures in integrated circuits (invited),” The 2004 International Meeting for Future of Electron Devices (IMFEDK2004) Kyoto, Japan (July 26-28, 2004).
  185. K. Kawase, “Potential Applications of THz Imaging (Invited),” Optatec2004 “Terahertz incognita” workshop, Frankfurt, Germany (June 22, 2004).
  186. Y. Ogawa, K. Kawase, M. Yamashita, H. Inoue,"Non-destructive inspection techniques for illicit drugs using terahertz imaging (Invited)," Conference on Lasers and Electro Optics Technical Conference (CLEO2004), San Francisco, USA (May 16-21, 2004).
  187. K. Kawase, "THz-wave parametric source and its imaging applications (Invited)," International Symposium on Portable Synchrotron Light Sources and Advanced Applications, Shiga, Japan (Jan. 13-14, 2004).
  188. K. Kawase, Y. Watanabe, and Y. Ogawa, "Terahertz spectroscopic imaging using component spatial pattern analysis (invited)," 2003 Asia-Pacific Microwave Conference (APMC '03), Seoul, Korea (Nov. 4-7, 2003).
  189. K. Kawase, K. Imai, H. Minamide, J. Shikata and H. Ito, "Injection-seeded THz-wave parametric generator (invited)," IEEE Lasers and Electro-Optics Society (LEOS2002), Glasgow, Scotland (Nov. 2002).
  190. K. Imai, K. Kawase, H. Minamide and H. Ito, "Achromatically injection-seeded terahertz-wave parametric generator (invited)," 10th International Conference on Terahertz Electronics (THz2002), Cambridge, UK (Sept. 2002).
  191. K. Kawase, K. Imai, H. Ito, “Injection Seeded Terahertz-wave Parametric Generators (invited),” The XXVIIth Triennial General Assembly of the International Union of Radio Science (URSI2002), Maastricht, Netherlands (Aug. 2002).
  192. H. Ito, K. Kawase, "Tunable compact THz sources and their application (invited)," Nonlinear Optics: Materials, Fundamentals and Applications Topical Meeting (NLO2002), Maui, USA (July 2002).
  193. H. Ito, T. Taniuchi, and K. Kawase, “Tunable Tera-Hertz Wave Generation and its Applications (invited),” The Fifth International Symposium on Contemporary Photonics Technology (CPT2002), Tokyo, Japan (Jan. 2002).
  194. K. Kawase, J. Shikata, H. Minamide, K. Imai, and H. Ito, "Injection seeded THz-wave parametric generator (TPG) with wide tunability (invited)," CLEO Pacific Rim 2001, Chiba, Japan (July 2001).
  195. H. Ito, and K. Kawase, “Development of Coherent Tunable THz Sources based on Parametric Processes (Plenary Talk),” The 8th International Workshop on Femtosecond Technology (FST2001), Tsukuba, Japan (June 2001).
  196. K. Kawase, J. Shikata, H. Minamide, K. Imai, and H. Ito, "Injection seeded THz-wave parametric generator with 100MHz linewidth (Invited)" CLEO2001 (Conference on Lasers and Electro-Optics 2001), Baltimore (May 2001).
  197. H. Ito, and K. Kawase “Coherent tunable tera-hertz wave generation (Invited)” IPC2000 (International Photonics Conference 2000), Hsinchu, Taiwan (Dec. 2000).
  198. H. Ito, and K. Kawase “Parametric generation of coherent tunable terahertz-waves (Invited)” LEOS2000(IEEE Lasers and Electro-Optics Society 13th Annual Meeting), Rio Grande, Puerto Rico (Nov. 2000).
  199. H. Ito, and K. Kawase “Terahertz parametric generation and oscillation with 100 MHz linewidth (Invited)” CNOM (Center for Novel Optoelectronic Materials 8th Annual Affiliates Meeting), Palo Alto, USA (Sept. 2000).
  200. K. Kawase, J. Shikata, H. Minamide, K. Imai, H. Ito “THz-wave parametric oscillator with arrayed silicon prism coupler (Invited)” NLO2000 (Nonlinear Optics 2000), Kauai, USA (Aug. 2000).
  201. J. Shikata, Ken-ichi Karino, K. Kawase, J. Choi, and H.Ito, “Efficient laser-pumped parametric oscillation at terahertz using doped LiNbO3 (Invited)”, CLEO/Pacific Rim '99, Seoul, Korea (Sept. 1999).
  202. K. Kawase, M. Mizuno, H. Takahashi, and H. Ito, "THz-wave generation from DAST crystal by difference frequency generation (Invited)," 24th International Conference on Infrared and Millimeter Waves, MS-11, Monterey, USA (Sept. 1999).
  203. H Ito and K. Kawase, "Tunable coherent THz-wave sources (Invited)," 18th Electronic Materials Symposium (EMS’99), B1, Kii-Shirahama (June 1999).
  204. H. Ito, and K. Kawase "Terahertz frequency generation via optical parametric oscillation (Invited)," 1988 Int. Photonics Conference (IPC'98), T-S3-C1, Taipei, Taiwan (Dec. 1998).
  205. H. Ito, and K. Kawase, "Coherent Tunable THz-wave Generation by means of Nonlinear Optics (Invited)," OECC'98, 15B2-1, Makuhari Messe (July 1998).
  206. K. Kawase, “Generation of widely tunable THz-wave using nonlinear optics (Invited),” Int’l Workshop on Coherent Control of Charge Carrier Dynamics in Semiconductors, Univ. of Illinois at Chicago, USA (May 1998).
  207. H. Ito, K. Kawase, and J. Shikata, “Widely tunable THz-wave source by means of optical parametric oscillation (Invited),” International Topical Workshop on Contemporary Photonic Technologies (CPT ’98), Tokyo, Japan (Jan. 1998).
  208. H. Ito and K. Kawase, “Laser-pumped Nonlinear Optical Tunable THz-wave Generation (Invited),” Fourth International workshop on Femtosecond Technology (FST’97), Tsukuba, Japan (Feb. 1997).
  209. H. Ito and K. Kawase, “Room temperature operated tunable THz generation and detection (Invited),” CNOM ’96, Stanford, USA (Sept. 1996).
  210. H. Ito, K. Kawase, M. Sato, and T. Taniuchi, “Coherent tunable THz-wave generation from LiNbO3 OPO using monolithic grating coupler (Invited)", The 21st International Conference on Infrared and Millimeter Waves, Berlin, Germany (July 1996).