Nagoya University Sato/Hasegawa Laboratory

1. T. Ban, H. Hasegawa, K. Sato, T. Watanabe, and H. Takahashi, “A novel large-scale OXC architecture and an experimental system that utilizes wavelength path switching and fiber selection,” OSA Optics Express, Vol. 21 Issue 1, pp.469-477, January, 2013.
2. Y. Iwai, H. Hasegawa, and K. Sato, “A large-scale photonic node architecture that utilizes interconnected OXC subsystems,” OSA Optics Express, Vol. 21 Issue 1, pp.478-487, 2013.
3. T. Ban, H. Hasegawa, and K. Sato, “A novel large-scale OXC architecture and an experimental system that utilizes wavelength path switching and fiber selection,” OSA Optics Express, Vol. 21 Issue 1, pp.469-477, January, 2013.
4. Y. Iizawa, S. Araki, S. Ishida, I. Nishioka, K. Shimada, H. Hasegawa, K. Sato, “PCE-based fast path control in multi-domain photonic networks,” ELSEVIER, Optical Switching and Networking, vol. 10, Issue 1, January 2013, pp. 32-43.
5. Z. Shen, H. Hasegawa, and K. Sato, "An efficient heuristic waveband assignment algorithm for hierarchical optical path networks utilizing wavelength convertors," ELSEVIER, Optical Switching and Networking,Volume 10, Issue 1, January 2013, Pages 54-61.
6. T. Ban, K. Ishii, H. Hasegawa, K. Sato, H. Takahashi, and M. Okuno, “Performance Evaluation of Large Capacity Ultra-Compact Waveband Cross-Connect,” IEEE Photonics Technology Letters, vol. 25, no. 5, pp. 446-447, march, 2013.
7. 佐藤健一、“フォトニックネットワーク技術の展望，”電子情報通信学会誌 Vol. J96-B, No.03, pp. 220-232, March 2013.
8. M. Sato, H. Hasegawa, and K. Sato, “Efficient shared protected network design algorithm that iterates path relocation with new resource utilization metrics,” IEICE, vol. E96-B, No. 04, pp. 956-966, April, 2013.
9. 長谷川，佐藤 “階層化光クロスコネクトノードのアーキテクチャ，”光学 Vol. 42, No. 05, pp. 229-235, May, 2013.
10. K. Sato, H. Hasegawa, and T. Watanabe, “Large scale wavelength routing optical switch for data center networks,” IEEE Communications Magazine, vol. 51, No. 9, September 2013, pp. 46-52.
11. Y. Taniguchi, Y. Yamada, H. Hasegawa and K. Sato, “Coarse Granular Optical Routing Networks with Fine Granular Add/Drop,” IEEE-OSA Journal of Optical Communications and Networking (JOCN), vol. 5, no. 7, pp.774-783, November 2013.
12. Z. Shen, H. Hasegawa, and K. Sato, “Effectiveness of wavelength/waveband conversion and allowable cost bound evaluation for hierarchical optical path networks,” IEEE-OSA Journal of Optical Communications and Networking (JOCN), vol. 5, no. 11, pp.1262-1274, November 2013.

1. H. Hasegawa, Y. Taniguchi, A. Jirattigalachote, P. Monti, K. Sato and L. Wosinska, “Design strategies for Survivable Grouped Routing Entity(GRE)-based Optical Networks,” Design of Reliable Communication Networks, Budapest, Hungary, March, 2013.
2. T. Niwa, H. Hasegawa, and K. Sato, “A 270 x 270 Optical Cross-connect Switch Utilizing Wavelength Routing with Cascaded AWGs,” OSA Optical Fiber Communication Conference and Exposition/National Fiber Optic Engineers Conference (OFC/NFOEC), paper OTh1A.3, Anaheim, USA, March, 2013.
3. T. Niwa, H. Hasegawa, K. Sato, T. Watanabe, H. Takahashi, and S. Soma, “Compact Integrated Tunable Filter Utilizing AWG Routing Function and Small Switches,” OSA Optical Fiber Communication Conference and Exposition/National Fiber Optic Engineers Conference (OFC/NFOEC), paper OW1C.2, Anaheim, USA, March, 2013.
4. Y. Iwai, H. Hasegawa, and K. Sato, “OXC Hardware Scale reduction attained by using interconnected subsystem architecture,” OSA Optical Fiber Communication Conference and Exposition/National Fiber Optic Engineers Conference (OFC/NFOEC), paper NW1J.2, Anaheim, USA, March, 2013.
5. Y. Taniguchi, H. Hasegawa and K. Sato, “Dynamic Grouped Routing Optical Networks for Cost Effective and Agile Wavelength Services,” OSA Optical Fiber Communication Conference and Exposition/National Fiber Optic Engineers Conference (OFC/NFOEC), paper OM3A.5, Anaheim, USA, March, 2013
6. Z. Shen, H. Hasegawa, and K. Sato, “Impact of wavelength/waveband convertors and the cost bound in hierarchical optical path networks,” OSA Optical Fiber Communication Conference and Exposition/The National Fiber Optic Engineers Conference (OFC/NFOEC), paper Mo.3A.2, Anaheim, USA, March, 2013.
7. H. Hasegawa, Y. Taniguchi, K. Sato, A. Jirattigalachote, P. Monti, L. Wosinska, “Design strategies for survivable Grouped Routing Entity (GRE)-based optical networks,” 9th International Conference on the Design of Reliable Communication Networks (DRCN 2013), Budapest, Hungary, 4-7 March, 2013, pp. 148 - 154.
8. K. Sato, “Prospects and development of large capacity future optical transport node,”15th International Conference on Transparent Optical Networks, ICTON 2013, Tu.A1.1, Cartagena, Spain, June, 2013.
9. H. Ishida, H. Hasegawa, K. Sato, “An efficient add/drop architecture for large-scale subsystem-modular OXC,”15th International Conference on Transparent Optical Networks, ICTON 2013, We.A1.5, Cartagena, Spain, June, 2013.
10. K. Takaha, T. Ban, H. Hasegawa, K. Sato, H. Takahashi, and M. Okuno, "Development of Ultra-Compact 8x8 Waveband Cross-connect," OECC/PS2013, WT2-3, Kyoto, June, 2013.
11. L. H. Chau, H. Hasegawa and K. Sato, “Performance evaluation of large-scale OXC architectures that utilize intra-node routing restriction,” OECC/PS 2013, MQ2-2, Kyoto, June, 2013. (Best paper award, invited)
12. T. Ban, H. C. Le, H. Hasegawa, and Ken-ichi Sato, "Evaluation of Hardware Requirements for Large-scale OXC Architecture Employing Wavelength Switching and Fiber Selection," OECC/PS2013, WT2-2, Kyoto, June, 2013.
13. K. Sato, “Challenges and opportunities of photonic networking technologies,” The 18th OptoElectronics and Communications Conference/Photonics in Switching 2013, PS/OECC 2013, WQ1-1, Kyoto, June, 2013.
14. Y. Tanaka, Y. Iwai, H. Hasegawa, and K. Sato, “Subsystem Modular OXC Architecture that Achieves Disruption Free Port Count Expansion,” European Conference and Exhibition on Optical Communication (ECOC), paper Th.2.E.4, London, UK, September, 2013.
15. K. Ishii, F. Okazaki, J. Kurumida, K. Mizutani, H. Takeshita, K. Kobayashi, D. Mochinaga, S. Namiki, K. Sato, and T. Kudoh, “Unified approach of top-down and bottom-up methods for estimating network energy consumption,” European Conference and Exhibition on Optical Communication (ECOC), P.5.6, London, UK, September, 2013.
16. Z. Shen, H. Hasegawa, K. Sato, T. Tanaka, and A. Hirano, “A novel semi-flexible grid optical path network that utilizes aligned frequency slot arrangement,” IEEE European Conference and Exhibition on Optical Communication (ECOC), paper We.2.E.2, London, UK, September 2013.
17. L. H. Chau, H. Hasegawa and K. Sato, “A Comparison of large-scale selective switch-based optical cross-connects,” 2013 International Conference on Advanced Technologies for Communications (ATC 2013), Ho Chi Minh, Vietnam, October, 2013, pp. 55-59.
18. Y. Mori, K. Sato, "Photonic networks that exploit digital coherent technologies," Proc. SPIE 9008, Optical Metro Networks and Short-Haul Systems VI, 900802, December, 2013

1. 佐藤，“フォトニックネットワーキング技術の進展，”平成24年度 光ネットワーク産業・技術研究会 第４回公開討論会，横須賀，2013・N1月18日．
2. K. Hayakawa, H. Hasegawa, K. Sato, “A fast link state optimization for reducing energy consumption of network,” IEICE Photonic Network Technical Group Student Workshop, March, 2013.
3. K. Kobayashi, K. Ishii, F. Okazaki, J. Kurumida, T. Kudoh, S. Namiki, K. Sato, K. Mizutani, H. Takeshita, and D. Mochinaga, “A network power saving estimation using short-cut in Japan,” Proceedings of the 2013 IEICE General Conference, BS-3-1, Gifu, March 19-22, 2013.
4. L. H. Chau, H. Hasegawa, K. Sato, “Cost effective optical networks that utilize hetero-granular Multi-stage Routing,” IEICE General Conference 2013, B-12-23, Gifu, March, 2013.
5. S. Kosaka, H. Hasegawa, K. Sato, “Shared protected elastic optical path network design that applies iterative re-optimization based on resource utilization efficiency metrics,” IEICE Photonic Network Technical Group Student Workshop, March, 2013.
6. Z. S. Shen, H. Hasegawa, K. Sato, “Cost reduction achieved by introducing wavelength/waveband convertors in hierarchical optical path networks,” IEICE Photonic Network Technical Group, IEICE Technical Report PN2013-5(2013-6), Koriyama, Fukushima, June 20-21, 2013．
7. 長谷川，佐藤，“大容量フォトニックネットワークのアーキテクチャ，” 電子情報通信学会第２回 NetSci/OCS研究会合同ワークショップ, 2013年8月.
8. H. Hasegawa, and K. Sato,“Design and impact of elasteic optical path networks,”IEICE Communications Society Conference 2013, BI-2-2, September 17-20, 2013, Fukuoka Institute of Technology, Japan.
9. H. Hasegawa, and K. Sato, “An optimization of interconnection of multi-stage large scale wavelength switch,” IEICE Communications Society Conference 2013, B-12-3, September 17-20, 2013, Fukuoka Institute of Technology, Japan.
10. 大澤尚晃，長谷川浩，佐藤健一，"初期割り当てと逐次再配置による無瞬断階層化パス再配置法," 電子情報通信学会, 2013年ソサイエティ大会, 福岡工業大学，B-12-10，2013年9月.
11. Z. Shin, H. Hasegawa, and K. Sato, “A novel elastic optical path network that utilizes aligned frequency slot assignment,” IEICE Communications Society Conference 2013, B-12-6, September 17-20, 2013, Fukuoka Institute of Technology, Japan.
12. H. Ishida, H. Hasegawa, and K. Sato, “Hardware scale reduction at add/drop part of subsystem-modular OXC nodes,”IEICE Communications Society Conference 2013, B-12-4, September 17-20, 2013, Fukuoka Institute of Technology, Japan.
13. Y. Tanaka, H. Hasegawa, and K. Sato, “Subsystem modular OXC node architecture that allows hitless scale expansion,” IEICE Communications Society Conference 2013, B-12-5, September 17-20, 2013, Fukuoka Institute of Technology, Japan.
14. K. Sato, “Advances in photonic networking technologies, ”Optoelectronic Industry and Technology Development Association, 4th Panel Discussion, Yokosuka, January 18, 2013.
15. 佐藤，“光ネットワーク技術の進展と課題，” 文部科学省地域産学官連携化学技術振興事業費補助金イノーベーションシステム整備事業，先端融合領域イノベーション創出拠点形成プログラム，第６回光ネットワーク超低エネルギー化技術拠点シンポジウム，東京，pp. 1-9, 2013年11月.