Research Activities - 2011 -

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Ken-ichi Sato

Associate Professor
Hiroshi Hasegawa

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Research Activities  -2011-

Journal Papers
  1. O. Moriwaki, K. Noguchi, H. Takahashi, T. Sakamoto, K. Sato, H. Hasegawa, M. Okuno, and Y. Ohmori, “Development of Terabit-scale compact hierarchical optical cross-connect system using planar device integration,” IEEE Journal of Lightwave Technology, vol. 29, No. 4, February 2011, pp. 449-455.
  2. R. Hirako, H. Hasegawa, K. Sato, and M. Okuno, and O. Moriwaki, “Compact matrix-switch-based hierarchical optical path cross-connect with colorless waveband add/drop ratio restriction,” IEICE Special Issue on Photonic Network Technologies in Terabit Network Era, 2011, IEICE Trans. Commun., Vol. E94-B, No. 4, April 2011, pp. 918-927.
  3. L. H. Chau, H. Hasegawa, K. Sato, “Hybrid hierarchical optical path network design algorithms utilizing ILP optimization,” Elsevier, Optical Switching and Networking, Special Issue, vol. 8, 2011, pp. 226-234.
  4. H. Ohno, H. Hasegawa, K. Sato, “A dynamic and quasi-centralized path control method employing traffic-prediction-based route pre-prioritization,” to appear in the Elsevier, Optical Switching and Networking, Special Issue, 2011.
  5. K. Ishii, S. Mitui, H. Hasegawa, K. Sato, S. Kamei, M. Okuno, and H. Takahashi, “Development of hierarchical optical path cross-connect systems employing wavelength/waveband selective switches,” IEEE/OSA Journal of Optical Communications and Networking, Vol. 3, Issue 7, pp. 559-567, July 2011.
  6. R. Hirako, H. Hasegawa, K. Sato, and M. Okuno, and O. Moriwaki, “Compactmatrix-switch-based hierarchical optical path cross-connect with colorless waveband add/drop ratio restriction,” IEICE Special Issue on Photonic Network Technologies in Terabit Network Era, 2011, IEICE Trans. Commun., Vol. E94-B, No. 4, April 2011, pp. 918-927.
  7. L. H. Chau, H. Hasegawa, and K. Sato, “Hybrid hierarchical optical path network design algorithms utilizing ILP optimization,” Elsevier, Optical Switching and Networking, Special Issue, vol. 8, 2011, pp. 226-234.
  8. H. Ohno, H. Hasegawa, and K. Sato, “A dynamic and quasi-centralized RWA method for optical fast circuit switching networks employing route pre-prioritization,” Elsevier, Optical Switching and Networking, Special Issue, vol. 8, No. 4, December 2011, pp. 242-248.
  9. K. Ishii, S. Mitui, H. Hasegawa, K. Sato, S. Kamei, M. Okuno, and H. Takahashi, “Development of hierarchical optical path cross-connect systems employing wavelength/waveband selective switches,”IEEE/OSA Journal of Optical Communications and Networking, Vol. 3, Issue 7, pp. 559-567, July 2011.
  10. L. H. Chua, H. Hasegawa and K. Sato, “Impact of electrical grooming and regeneration ofwavelength paths in creating hierarchical optical pathnetworks,” OSA, Optics Express, vol. 19, No. 26, December 2011, B882-B894.
International Conference Papers
  1. K. Sato, “OOO switching ?The role and technological advances,” OFCNFOEC 2011, NThB1, Los Angels, Marchi 6-10, 2011.
  2. L. H. Chau, H. Hasegawa and K. Sato, “Hybrid optical wdm networks utilizing optical waveband and electrical wavelength cross-connect,” OFC/NFOEC 2011, NMC3, Los Angels, March 6-10, 2011.
  3. K. Noguchi, O. Moriwaki, H. Takahash, T. Sakamoto, M. Okuno, and K. Sato, “PLC-based compact optical cross-connect node for roadm ring network connection,” OFCNFOEC 2011, NThB2, Los Angels, Marchi 6-10, 2011.
  4. Y. Yamada, H. Hasegawa, and K. Sato, “Novel hierarchical optical cross-connect architecture utilizing dedicated add/drop switches that effectively offer colorless and directionless capability,” OFCNFOEC 2011, OThR6, Los Angels, March 6-10, 2011.
  5. T. Takagi, H. Hasegawa, K. Sato, Y. Sone, B. Kozichi, A. Hirano, and M. Jinno, “Dynamic routing and frequency slot assignment for elastic optical path networks that adopt distance adaptive modulation,” OFCNFOEC 2011, OTuI7, Los Angels, March 6-10, 2011.
  6. F. Naruse, Y. Yamada, H. Hasegawa, and K. Sato, “Optical network design algorithms that consider optical path add/drop ratio restrictions for oxc hardware scale reduction,” OFCNFOEC 2011, NThC3, Los Angels, March 6-10, 2011.
  7. R. Hirako, K. Ishii, H. Hasegawa, K. Sato, H. Takahashi, and M. Okuno, “Flexible and compact hierarchical optical cross-connect node with waveband add/drop restriction,” OFCNFOEC 2011, OTuE5, Los Angels, March 6-10, 2011.
  8. K. Sato, “Role of optics in creating future transport networks,” 13th International Conference on Transparent Optical Networks, ICTON 2011, Stockholm, June 27-30, 2011.
  9. K. Sato, “Photonic network technologies for the cloud era,” 16th Opto-Electronics and Communications Conference, OECC 2011, Workshop I, What photonic technology will play the leading role in the upcoming cloud era?, Kaohsiung, Taiwan, July 4-8 2011.
  10. T. Ban, K. Ishii, H. Hasegawa, K. Sato, H. Takahashi, and M. Okuno, “Development of large capacity ultra-compact waveband cross-connect,” 16th Opto-Electronics and Communications Conference, OECC 2011, 6A1-2, Kaohsiung, Taiwan, July 4-8 2011.
  11. R. Hirako, K. Ishii, H. Hasegawa, K. Sato, H. Takahashi, and M. Okuno, “Development of single plc-chip waveband selective switch that has extra ports for grooming and termination,” 16th Opto-Electronics and Communications Conference, OECC 2011, 7E1-4, Kaohsiung, Taiwan, July 4-8 2011.
  12. K. Sato, “Recent developments in and challenges of elastic optical path networking,” ECOC 2011 - 37th European Conference and Exhibition on Optical Communication, Mo.2.K.1, Geneva, September 18-22, 2011.
  13. L. H. Chau, H. Hasegawa and K. Sato, “Impact of electrical grooming and regeneration of wavelength paths in creating hierarchical optical path networks,” ECOC 2011 - 37th European Conference and Exhibition on Optical Communication, We.8.K.2, Geneva, September 18-22, 2011.
  14. R. Hirako, K. Ishii, H. Hasegawa, K. Sato, H. Takahashi, and M. Okuno, “Compact hierarchical optical cross-connect utilizing newly designed waveband selective switch with extra ports for grooming,” ECOC 2011 - 37th European Conference and Exhibition on Optical Communication, Th.12.A.4, Geneva, September 18-22, 2011.
  15. T. Takagi, H. Hasegawa, K. Sato, Y. Sone, A. Hirano, and M. Jinno, “Disruption minimized spectrum defragmentation in elastic optical path networks that adopt distance adaptive modulation,” ECOC 2011 - 37th European Conference and Exhibition on Optical Communication, Mo.2.K.3, Geneva, September 18-22, 2011.
  16. Z. Shen, H. Hasegawa, and K. Sato, “Design of hierarchical optical path networks that utilize wavelength conversion and evaluation of the allowable cost bound,” ACP 2011 (Asia Communications and Photonics Conference and Exhibition 2011), Shanghai, November 13-16, 2011.
  17. Y. Hachisuka, H. Hasegawa, and K. Sato, “Design algorithm of waveband multicast tree in hierarchical optical path networks that utilizes grouping of destination node sets,” ACP 2011 (Asia Communications and Photonics Conference and Exhibition 2011), Shanghai, November 13-16, 2011.
  18. S. Araki, H. Hasegawa, and K. Sato, “Multi-domain path control system for large-scale photonic networks,” ACP 2011 (Asia Communications and Photonics Conference and Exhibition 2011), Shanghai, November 13-16, 2011. (NEC)
  19. K. Sato, “The path to fully flexible optical network,” ACP 2011 (Asia Communications and Photonics Conference and Exhibition 2011), Shanghai, November 13-16, 2011.
  20. K. Sato, “The role of multi-granular optical paths,” ACP 2011 (Asia Communications and Photonics Conference and Exhibition 2011), Shanghai, November 13-16, 2011.
  21. K. Sato, “Role of optical technologies to create future transport networks,” ACP 2011 (Asia Communications and Photonics Conference and Exhibition 2011), Workshop WK1: Spectrally and Energy-Efficient Optical Transport Systems and Subsystems, Shanghai, November 13-16, 2011.
  22. M. Sato, H. Hasegawa and K. Sato, “Efficient iterative design algorithm for enhancing resource utilization of shared protected optical path networks,” Proc. of the 2011 8th International Workshop on the Design of Reliable Communication Networks (DRCN), Krakow, Poland, October 10-12, 2011pp. 102-109.
  23. S. Araki, K. Shimada, H. Hasegawa, K. Sato, Y. Iizawa, S. Ishida, I. Nishioka, “PCE-based scalable dynamic path control for large-scale photonic networks,” SPIE Photonics West 2011, Conference 7959: Optical Metro Networks and Short-Haul Systems III, Paper 7959-17, January 27, 2011.
  24. K. Sato, “OOO switching ?The role and technological advances,” OFCNFOEC 2011, NThB1, Los Angels, March 6-10, 2011.
  25. L. H. Chau, H. Hasegawa and K. Sato, “Hybrid optical wdm networks utilizing optical waveband and electrical wavelength cross-connect,” OFC/NFOEC 2011, NMC3, Los Angels, March 6-10, 2011.
  26. K. Noguchi, O. Moriwaki, H. Takahash, T. Sakamoto, M. Okuno, and K. Sato, “PLC-based compact optical cross-connect node for roadm ring network connection,” OFC /NFOEC 2011, NThB2, Los Angels, Marchi 6-10, 2011.
  27. Y. Yamada, H. Hasegawa, and K. Sato, “Novel hierarchical optical cross-connect architecture utilizing dedicated add/drop switches that effectively offer colorless and directionless capability,”OFC/NFOEC 2011, OThR6, Los Angels, March 6-10, 2011.
  28. T. Takagi, H. Hasegawa, K. Sato, Y. Sone, B. Kozichi, A. Hirano,and M. Jinno, “Dynamic routing and frequency slot assignment for elastic optical path networks that adopt distance adaptive modulation,” OFCNFOEC 2011, OTuI7, Los Angels, Marchi 6-10, 2011.
  29. F. Naruse, Y. Yamada, H. Hasegawa, and K. Sato, “Optical network design algorithms that consider optical path add/drop ratio restrictions for OXC hardware scale reduction,” OFCNFOEC 2011, NThC3, Los Angels, March 6-10, 2011.
  30. R. Hirako, K. Ishii, H. Hasegawa, K. Sato, H. Takahashi, and M. Okuno, “Flexible and compact hierarchical optical cross-connect node with waveband add/drop restriction,” OFCNFOEC 2011, OTuE5, Los Angels, Marchi 6-10, 2011.
  31. K. Sato, “Role of optics in creating future transport networks,” 13th International Conference on Transparent Optical Networks, ICTON 2011, Stockholm, June 27-30, 2011.
  32. K. Sato, “Photonic network technologies for the cloud era,” 16thOpto-Electronics and Communications Conference, OECC 2011, Workshop I, What photonic technology will play the leading role in the upcoming cloud era?, Kaohsiung, Taiwan, July 4-8 2011.
  33. T. Ban, K. Ishii, H. Hasegawa, K. Sato, H. Takahashi, and M. Okuno, “Development of large capacity ultra-compact waveband cross-connect,” 16thOpto-Electronics and Communications Conference, OECC 2011, 6A1-2, Kaohsiung, Taiwan, July 4-8 2011.
  34. R. Hirako, K. Ishii, H. Hasegawa, K. Sato, H. Takahashi, and M. Okuno, “Development of single plc-chip waveband selective switch that has extra ports for grooming and termination,” 16thOpto-Electronics and Communications Conference, OECC 2011, 7E1-4, Kaohsiung, Taiwan, July 4-8 2011.
  35. K. Sato, “Recent developments in and challenges of elastic optical path networking,” ECOC 2011 - 37th European Conference and Exhibition on Optical Communication, Mo.2.K.1, Geneva, September 18-22, 2011.
  36. L. H. Chau, H. Hasegawa and K. Sato, “Impact of electrical grooming and regeneration of wavelength paths in creating hierarchical optical pathnetworks,” ECOC 2011 - 37th European Conference and Exhibition on Optical Communication, We.8.K.2, Geneva, September 18-22, 2011.
  37. R. Hirako, K. Ishii, H. Hasegawa, K. Sato, H. Takahashi, and M. Okuno, “Compact hierarchical optical cross-connect utilizing newly designed waveband selective switch with extra ports for grooming,”ECOC 2011 - 37th European Conference and Exhibition on Optical Communication,Th.12.A.4, Geneva, September 18-22, 2011.
  38. T. Takagi, H. Hasegawa, K. Sato, Y. Sone, A. Hirano, and M. Jinno, “Disruption minimized spectrum defragmentation in elastic optical path networks that adopt distance adaptive modulation,” ECOC 2011 - 37th European Conference and Exhibition on Optical Communication, Mo.2.K.3, Geneva, September 18-22, 2011.
  39. H. Ohno, H. Hasegawa, K. Sato, “A dynamic path control method applying traffic-prediction-based route pre-prioritization,” ACP 2011 (Asia Communications and Photonics Conference and Exhibition 2011), 8310-06, Shanghai, November 13-16, 2011.
  40. Z. Shen, H. Hasegawa, and K. Sato, “Design of hierarchical optical path networks that utilize wavelength conversion and evaluation of the allowable cost bound,” ACP 2011 (Asia Communications and Photonics Conference and Exhibition 2011), 8310-06, Shanghai, November 13-16, 2011.
  41. Y. Hachisuka, H. Hasegawa, and K. Sato, “Design algorithm of waveband multicast tree in hierarchical optical path networks that utilizes grouping of destination node sets,” ACP 2011 (Asia Communications and Photonics Conference and Exhibition 2011), 8310-02, Shanghai, November 13-16, 2011.
  42. S. Araki, H. Hasegawa, and K. Sato, “Multi-domain path control system for large-scale photonic networks,” ACP 2011 (Asia Communications and Photonics Conference and Exhibition 2011), 8310-34, Shanghai, November 13-16, 2011.
  43. K. Sato, “The path to fully flexible optical network,” ACP 2011 (Asia Communications and Photonics Conference and Exhibition 2011), 8309-62, Shanghai, November 13-16, 2011.
  44. K. Sato, “The role of multi-granular optical paths,” ACP 2011 (Asia Communications and Photonics Conference and Exhibition 2011), 8310-01, Shanghai, November 13-16, 2011.
  45. K. Sato, “Role of optical technologies to create future transport networks,” ACP 2011 (Asia Communications and Photonics Conference and Exhibition 2011), Workshop WK1: Spectrum- and Energy- Efficient Optical Transport Networks, Shanghai, November 13-16, 2011.
  46. M. Sato, H. Hasegawa and K. Sato, “Efficient iterative design algorithm for enhancing resource utilization of shared protected optical path networks,”Proc. of the 2011 8th International Workshop on the Design of Reliable Communication Networks (DRCN), Krakow, Poland, October 10-12, 2011, pp. 102-109.
 

Domestic Conference Papers  -2011-

  1. K. Noguchi, O. Moriwaki, T. Sakamoto, H. Takahashi, K. Sato, M. Okuno,“4x4 small-size optical path cross-connect node employing PLC devices,” IEICE General Conference 2011, B-12-19, March 14-17, 2011, Tokyo, Japan.
  2. Z. Shen, H. Hasegawa K. Sato“Hierarchical optical path network design considering wavelength conversion,”IEICE General Conference 2011, B-12-12, March 14-17, 2011, Tokyo, Japan.
  3. T. Niwa, R. Hirako, H. Hasegawa, and K. Sato,“Multi-stage tunable wavelength filters that enable Colorless/Directionless/Contentionless drop function for OXC,”IEICE General Conference 2011, B-12-17, March 14-17, 2011, Tokyo, Japan.
  4. L. H. Chau, H. Hasegawa, K. Sato, “Impacts of electrical grooming in hierarchical optical path networks,” IEICE General Conference 2011, B-12-15, March 14-17, 2011, Tokyo, Japan.
  5. Y. Taniguchi, T. Ogawa, H. Hasegawa, and K. Sato, “Impact of adaptive waveband bandwidths to traffic distribution in fast optical circuit switching,” IEICE General Conference 2011, B-12-14, March 14-17, 2011, Tokyo, Japan.
  6. Y. Hachisuka, H. Hasegawa, and K. Sato, “Optical waveband multicast in hierarchical optical path networks,” IEICE General Conference 2011, B-12-13, March 14-17, 2011, Tokyo, Japan.
  7. Y. Taniguchi, T. Ogawa, H. Hasegawa, and K. Sato, “Performance Verification of Ultra-compact Waveband Cross-connect,” IEICE General Conference 2011, B-12-18, March 14-17, 2011, Tokyo, Japan.
  8. R. Hirako, K. Ishii, H. Hasegawa, and K. Sato,“Compact hierarchical optical path cross-connect node architecture that implements add/drop ratio restriction on total wavebands, ”IEICE General Conference 2011, B-12-16, March 14-17, 2011, Tokyo, Japan.
  9. H. Ito, H. Hasegawa and K. Sato, “Power saving of routers employing dynamic performance control and packet loss ratio estimation, ”IEICE General Conference 2011, B-7-20, March 14-17, 2011, Tokyo, Japan.
  10. K. Sato and H. Hasegawa, “Prospects and challenges of multi-granular photonic networks, ”IEICE General Conference 2011, BT-4-5, March 14-17, 2011, Tokyo, Japan.
  11. K. Sato, “Development in and challenges of photonic switching networks, ”IEICE Communications Society Conference 2011, BI-5-1, September 13-16, 2011, Hokkaido, Japan.
  12. Z. Shin, H. Hasegawa, and K. Sato, “Hierarchical optical path network design that employs wavelength conversion and evaluation of allowable wavelength converter cost,” IEICE Communications Society Conference 2011, B-12-8, September 13-16, 2011, Hokkaido, Japan.
  13. T. Niwa, H. Hasegawa, and K. Sato, ”Transmission experiment of multi-stage wavelength tunable filter applicable to colorless/directionless/contentionless optical path drop at optical cross-connect,”Electrical Related Societies Tokai Branch Conference 2011, Technical Report, Mie University,B5-4, September 26-27, 2011．
  14. H. Ohno, H. Hasegawa, and K. Sato, “A dynamic optical path control method for multiple fiber link networks applying route pre-computation,” IEICE 5th Photonic Network Student Workshop, IEICE Technical Report, pp. 17-19, March 2011．
  15. H. Bai, H. Hasegawa, and K. Sato, “Estimation of traffic matrix applying smoothing and generalized gravity model,” IEICE 5th Photonic Network Student Workshop, IEICE Technical Report, pp. 17-19, March 2011
  16. K. Sato, H. Hasegawa, S. Urushidani, and M. Aoki,“Optical flow routhing network,” IEICE Technical Committeee on New Generation Network, Report, pp. 19-26, April 26, 2011．
  17. R. Hirako, K. Ishii, H. Hasegawa, K. Sato, H. Takahashi, and M. Okuno, "Hierarchical optical cross-connect node architecture considering grooming ratio restriction," IEICE Photonic Network Technical Group, Technical Report,vol. 111, no. 93, PN2011-11, Wakayama, pp. 55-60, June 23-24, 2011．
  18. T. Ban, K. Ishii, H. Hasegawa, K. Sato, H. Takahashi, and M. Okuno, "Transmission experiment of large capacity ultra-compact waveband cross-connect module," IEICE Photonic Network Technical Group Student Workshop, Hakodate, pp. 17-19, August 2, 2011．
  19. T. Niwa, R. Hirako, H. Hasegawa, and K. Sato, "Colorless/Directionless/Contentionless drop architecture that consists of multi-stage wavelength tunable filters and its switch scale evaluation," IEICE Photonic Network Technical Group Student Workshop, Hakodate, pp. 13-15,August 2, 2011．
  20. K. Sato, “Development of optical technologies for ultra low power/ ultra high-capacity network,” 4th Symposium of Ultra Low Power Optical Network Development Forum, August 23, 2011.
  21. K. Sato, “Development of optical technologies for ultra low power/ ultra high-capacity network,” 25th Optical Communication System Symposium, IEICE Optical Communication System Technical Group, WS1, Presentation No. 4, Mishima, December 15-16, 2011, pp. 44.
  22. K. Sato,“Role of optical technologies to create energy efficient transport networks,” IEICE Communication Network Technical Group, Technical Report vol. 111, No. 348, CS2011-75 (2011-12), Nagoya, pp. 121-125,December 15-16, 2011．
  23. Y. Yamada, H. Hasegawa, K. Sato, “Colorless/Directionless/Contentionless optical node architecture,” IEICE Technical Report, vol. 111, no. 274, PN2011-26(2011-11), pp. 19-23, Tokyo, November 2011．