Nagoya University Sato/Hasegawa Laboratory

1. K. Ishii, H. Hasegawa, and K. Sato, "Wavelength assignment for concatenated ROADM ring networks and switch scale reduction in concatenating node," J. OPT. COMMUN. NETW., vol. 1, no. 1, January 2010, pp. 67-79.
2. (104) K. Ishii, O. Moriwaki, H. Hasegawa, and K. Sato, Y. Jinnouchi, M. Okuno, and H. Takahashi, "Development of hierarchical optical cross-connect system for ROADM-ring connection using PLC technologies," Photonics Technology Letters, IEEE ?Volume: 22, No. 7, pp. 489-500, 2010.
3. K. Ishii, H. Hasegawa, K. Sato, M. Okuno, and H. Takahashi "Ultra-compact waveband cross-connect module using waveband selective switches: development and performance verification," Photonics Technology Letters, IEEE ?Vol. 22, No. 23, pp. 1741-1743, 2010.
4. K. Sato, “Role of optical network technologies that allow sustainable evolution of information and communication networks,” Special section on optical network technologies towards Green ICT, The Journal of the IEICE，vol. 93, No. 8, pp. 654-658, August 2010.
5. O. Moriwaki, K. Noguchi, H. Takahashi, T. Sakamoto, K. Sato, H. Hasegawa, M. Okuno, and Y. Ohmoroi, " Multi-hop signal transmission experiments employing PLC-based hierarchical optical cross-connect system," IEEE Photonic Technology Letters, vol. 22, No. 21, November 2010, pp. 1586-1588.
6. L. H. Chau, H. Hasegawa, K. Sato, "Hierarchical Optical Path Network Design Algorithm Considering Waveband Add/Drop Ratio Constraint," IEEE/OSA Journal of Optical Communications and Networking, JOCN, vol. 2, No. 10, October 2010, pp. 872-882.
7. Y. Yamada, H. Hasegawa, and K. Sato, "Hierarchical optical pathnetwork design algorithm considering waveband protection," Journal ofLightwave Technology, vol. 27, No. 24, Dec. 2009, pp. 5736-5748.
8. 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.

1. K. Obara, H. Hasegawa, K. Sato, "A new multi-state route scheduling algorithm based on traffic prediction," ONDM 2010 (14th Conference on Optical Network Design and Modeling), Kyoto, Japan, February 1-3, 2010.
2. K. Ishii, H. Hasegawa, K. Sato, "Impacts of waveband capacity and waveband add/drop ratio on the performance of ROADM-Ring connecting hierarchical optical path cross-connects," OFC/NFOEC 2010, NMD1, San Diego, March 21-25, 2010.
3. M. Nakagawa, H. Hasegawa, K. Sato, T. Takeda, and K. Shiomoto, "Adaptive self-reconfigurable network to create cost-effective bandwidth-on-demand services," OFC/NFOEC 2010, NWA2, San Diego, March 21-25, 2010.
4. S. Mitsui, H. Hasegawa and K. Sato, S. Kamei, H. Takahashi, and M. Okuno, "Demonstration of compact hierarchical optical path cross-connect utilizing wavelength/waveband selective switches," OFC/NFOEC 2010, NThF4, San Diego, March 21-25, 2010.
5. K. Sato, "Role and opportunities of photonics in future networks," IEEE Photonics Society Winter Topicals 2010, Keynote, MC1.1, Majorca, Spain, January 11-13, 2010.
6. K. Sato, " Next Generation Transport Network Architecture," OFC/NFOEC 2010, invited, OWR1, San Diego, March 21-25, 2010.
7. K. Sato, "Are all optical network manageable?" OFC/NFOEC 2010, Workshop OMF, San Diego, March 22, 2010.
8. Moriwaki, K. Noguchi, H. Takahashi, T. Sakamoto, K. Sato, H. Hasegawa, M. Okuno, and Y. Ohmori, "Terabit-scale compact hierarchical optical cross-connect system employing PLC devices and optical backplane," OFC/NFOEC 2010, Post Deadline Paper, PDPC9, San Diego, March 25, 2010.
9. K. Sato, "Multi-granularity waveband- and wavelength- path network," CLEO 2010, Conference on Lasers and Electro-Optics, CFJ1, San Hose, May16-21, 2010.
10. T. Ogawa, Y. Yamada, H. Hasegawa, K. Sato, "Optical fast circuit switching networks applying waveband grooming," COIN 2010 (9th International Conference on Optical Internet), July 11-14, 2010, Jeju, Korea.
11. K. Shimada, S. Araki, H. Hasegawa, and K. Sato, "A dynamic routing algorithm for multi-domain photonic networks using maximum flow information between domain boundaries," COIN 2010 (9th International Conference on Optical Internet), July 11-14, 2010, Jeju, Korea.
12. K. Ishii, H. Hasegawa, K. Sato, M. Okuno, and H. Takahashi, "Performance test of ultra-compact waveband cross-connect module," COIN 2010 (9th International Conference on Optical Internet), July 11-14, 2010, Jeju, Korea.
13. K. Sato, "The path to energy efficient optical networking," Photonics in Switching 2010, Plenary/Invited, JTuA2, Monterey, California, July 25-28, 2010.
14. K. Sato, "Optical technologies that enable Green networks," 12th International Conference on Transparent Optical Networks, ICTON 2010, Plenary, Mo.A.2, Munich, June 27-July 1, 2010.
15. H. Hasegawa and K. Sato, "Hierarchical optical path network design for future peta-bit class networks," invited, OECC 2010, 9A4-1, Sapporo, Japan, July 5-9, 2010.
16. L. H. Chau, H. Hasegawa and K. Sato, "Cost evaluation of hybrid-hierarchical optical cross-connects based optical path network," The Third International Conference on Communications and Electronics 2010, ICCE 2010, Nha Trang, Vietnam, August 11 - 13, 2010.
17. Y. Yamada, H. Hasegawa, and K. Sato, "Coarse granular routing in optical path networks and impact of supplemental intermediate grooming," ECOC 2010 - 36th European Conference and Exhibition on Optical Communication, Th.10.F.1, Torino, September 19-23, 2010.
18. R. Hirako, K. Ishii, H. Hasegawa, and K. Sato, "Development of compact hierarchical optical path cross-connect prototype utilizing integrated colorless multi/demultiplexers," ECOC 2010 - 36th European Conference and Exhibition on Optical Communication, We.8.A.5, Torino, September 19-23, 2010.
19. T. Takagi, H. Hasegawa, K. Sato, T. Tanaka, Y. Sone, A. Watanabe, A. Hirano, B. Kozichi, T. Takara, and M. Jinno, "Algorithms for maximizing spectrum efficiency in elastic optical path networks that adopt distance adaptive modulation," ECOC 2010 - 36th European Conference and Exhibition on Optical Communication, We.8.D.5, Torino, September 19-23, 2010.
20. K. Sato, "Role of optics and electronics in creating future broadband networks," ECOC 2010, -36th European Conference and Exhibition on Optical Communication, We.6.F.2, Torino, September 19-23, 2010.
21. L. H. Chau, H. Hasegawa and K. Sato, "Hybrid hierarchical optical path network design algorithm applying a 2-stage ILP optimization," Asia Communications and Photonics Conference and Exhibition 2010, ACP 2010, ThD3, Shanghai, December 9-11, 2010.
22. T. Oono, K. Ishii, H. Hasegawa, K. Sato, "Ring connecting node architecture employing variable filter," Asia Communications and Photonics Conference and Exhibition 2010, ACP 2010, ThH4, Shanghai, December 9-11, 2010.
23. H. Ohno, H. Hasegawa, K. Sato, "A dynamic path control method applying traffic-prediction-based route pre-prioritization," Asia Communications and Photonics Conference and Exhibition 2010, ACP 2010, FQ4, Shanghai, December 9-11, 2010.
24. R. Hirako, K. Ishii, H. Hasegawa, K. Sato, "Switch scale evaluation for optical cross-connects considering add/drop ratio restriction," Asia Communications and Photonics Conference and Exhibition 2010, ACP 2010, ThH3, Shanghai, December 9-11, 2010.
25. K. Sato, "The future transport node technologies," Asia Communications and Photonics Conference and Exhibition 2010, ACP 2010, SI1, Shanghai, December 9-11, 2010.

1. Y. Iizawa、K. Shimada、I. Nishioka、S. Ishida，S. Araki、"An Experimental Study of Domain Sizes in Multi-Domain Networks," IEICE, General Conference 2010, B-7-73, March 16-19, 2010, Sendai, Japan. (in Japanese)
2. K. Nakano, Y. Yamada, H. Hasegawa, K. Sato，" Design of hierarchical optical path networks considering wavelength/waveband conversion employing 2-stage integer linear programming,” IEICE，General Conference 2010, B-12-31, March 16-19, 2010, Sendai, Japan. (in Japanese)
3. O. Moriwaki , K. Noguchi, H. Takahashi, K. Sato, M. Okuno, " Development of Hierarchical Optical Path Cross-connect Node Employing PLC Devices、" IEICE，General Conference 2010, B-12-16, March 16-19, 2010, Sendai, Japan. (in Japanese)
4. K. Noguchi, O. Moriwaki, T. Sakamoto, H. Takahashi, H. Hasegawa, K. Sato, M. Okuno, Y. Ohmori, ”Transmission Experiment of Hierarchical Optical Path Cross-connect Node Employing PLC devices,” IEICE， General Conference 2010, B-12-17, March 16-19, 2010, Sendai, Japan. (in Japanese)
5. H. Ito, H. Hasegawa, K. Sato, "Power Saving of Routers Employing Dynamic Performance Control," IEICE，General Conference 2010, B-7-50, March 16-19, 2010, Sendai, Japan. (in Japanese)
6. R. Hirako, H. Hasegawa, K. Sato, " Integration of Colorless Wavelength MUX/DMUX for Hierarchical Optical Path Network Nodes," IEICE，General Conference 2010, B-12-18, March 16-19, 2010, Sendai, Japan. (in Japanese)
7. T. Ogawa, Y. Yamada, H. Hasegawa, K. Sato, " Optical Circuit Switching Network Utilizing Waveband," IEICE，General Conference 2010, B-12-27, March 16-19, 2010, Sendai, Japan. (in Japanese)
8. T. Oono, K. Ishii, H. Hasegawa, K. Sato, " A Ring Connecting Node Architecture Employing Variable Filter," IEICE, General Conference 2010, B-12-19, March 16-19, 2010, Sendai, Japan. (in Japanese)
9. K. Shimada, S. Araki, H. Hasegawa, K. Sato, "A Dynamic Routing Algorithm for Multi-Domain Photonic Networks based on Flow in Each Domain," IEICE, General Conference 2010, B-12-29, March 16-19, 2010, Sendai, Japan. (in Japanese)
10. F. Naruse, Y. Yamada, H. Hasegawa, K. Sato, " Impact of wavelength path grooming on private waveband networks," IEICE, General Conference 2010, B-12-28, March 16-19, 2010, Sendai, Japan. (in Japanese)
11. L. H. Chau, H. Hasegawa, K. Sato, "Evaluation of hierarchical optical path networks employing waveband and electrical cross-connects," IEICE General Conference 2010, B-12-30, March 16-19, 2010, Sendai, Japan.
12. K. Sato, “Photonic technologies enabling green ICT network,”57th Spring Meeting, 2010, Japan Society of Applied Physics, 17p-A-1, March 17-20, 2010 (in Japanese)
13. Y. Iizawa, K. Shimada, I. Nishioka, S. Ishida, S. Araki, " An Experimental Study of Domain Sizes in Multi-Domain Networks," IEICE General Conference 2010, B-7-73, March 16-19, 2010, Sendai, Japan. (in Japanese)
14. H. Hasegawa, K. Sato, H. Takahashi, M. Okuno, "Compact Hierarchical Optical Cross-Connect Node using Matrix Switches," IEICE, Society Conference 2010, BCI-1-4, September 14-17, 2010. (in Japanese)
15. K. Sato, H. Hasegawa, K. Sato, "Shared Protected Optical Path Network Design Employing Iterative Path Relocation,” IEICE, Society Conference 2010, B-7-9, September 14-17, 2010. (in Japanese)
16. H. Ohno, H. Hasegawa, K. Sato, " A dynamic optical path control method applying route pre-computation employing traffic prediction,” IEICE, Society Conference 2010, B-12-6, September 14-17, 2010. (in Japanese)
17. T. Oono, K. Ishii, H. Hasegawa, K, Sato，" Transmission Experiment of Ring Connecting Node Employing Variable Filter,” IEICE, Society Conference 2010, B-12-7, September 14-17, 2010. (in Japanese)
18. S. Endo, H. Hasegawa, K. Sato，" A dynamic RWA for hierarchical path networks utilizing reservation information,” IEICE, Society Conference 2010, B-12-5, September 14-17, 2010. (in Japanese)
19. K. Nakano, Y. Yamada, H. Hasegawa, K. Sato, " Hierarchical Optical Path Network Desin Considering Wavelength/Waveband Conversion," IEICE，Technical Report, PN2009-89, pp. 19-24, March 2010 (in Japanese)
20. K. Nakano, Y. Yamada, H. Hasegawa, K. Sato, "Cost analysis of hierarchical optical path networks and impact of wavelength conversion," IEICE Technical Report, PN2010-** (2010-3), pp. **-**, March 2010．(in Japanese)
21. K. Sato, "Optical Technologies that Enable Green Networking" IEICE, Technical Report, vol. 110, No. 193, PN2010-18, pp. 37-42, Sept. 2010. (in Japanese)
22. Y. Yamada, H. Hasegawa, K. SATO, " Effect of Limited Intermediate Grooming Capability on Optical Path Networks with Waveband Routing、"IEICE, Technical Report, PN2010-14, pp. 13-17, Sept. 2010. (in Japanese)
23. Y. Yamada, H. Hasegawa, and K. Sato, “Effect of limited intermediate grooming capability on optical path networks with waveband routing,” IEICE Technical Report, PN2010-14 (2010-09), pp. 13-17, September 2010. (in Japanese)
24. H. Ohno, H. Hasegawa, and K. Sato, “Dependency to a number of route candidates in a dynamic optical path control method applying route pre-computation,” IEICE 4th Photonic Network Student Workshop, IEICE Technical Report, pp. 5-6, September 2010. (in Japanese)
25. K. Sato, “Optical network technologies that enable green ICT,” Pacifico Yokohama, October 2010. (in Japanese)