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.
(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.
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.
佐藤,"持続的発展可能な情報通信ネットワークと光ネットワーク技術の役割,"電子情報通信学会誌,グリーンICTに向けた光ネットワーク技術小特集,vol. 93, No. 8, pp. 654-658, 2010年8月.
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.
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.
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.
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.
International Conferences
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.
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.
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.
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.
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.
K. Sato, " Next Generation Transport Network Architecture," OFC/NFOEC 2010, invited, OWR1, San Diego, March 21-25, 2010.
K. Sato, "Are all optical network manageable?" OFC/NFOEC 2010, Workshop OMF, San Diego, March 22, 2010.
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.
K. Sato, "Multi-granularity waveband- and wavelength- path network," CLEO 2010, Conference on Lasers and Electro-Optics, CFJ1, San Hose, May16-21, 2010.
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.
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.
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.
K. Sato, "The path to energy efficient optical networking," Photonics in Switching 2010, Plenary/Invited, JTuA2, Monterey, California, July 25-28, 2010.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
K. Sato, "The future transport node technologies," Asia Communications and Photonics Conference and Exhibition 2010, ACP 2010, SI1, Shanghai, December 9-11, 2010.
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.