Academic Journal

2015

• Experimental verification of highly scalable OXC that consists of subsystem-modular express-switch part and multicast-switch-based add/drop part enabling total throughput of 314 Tbps
  S. Takashina, H. Ishida, M. Niwa, Y. Mori, H. Hasegawa, K. Sato, and T. Watanabe
  OSA Optics Express, vol. 23, no. 11, pp. 14796-14805, May 2015.
• Wavelength-tunable filters utilizing arrayed waveguide gratings for colorless/directionless/contentionless optical signal drop in ROADMs
  S. Takashina, Y. Mori, H. Hasegawa, K. Sato, and T. Watanabe
  IEEE Photonics Journal, vol. 7, no. 1, Article No. 7100511, February 2015.

International Conference

2015

• Shared protected grouped optical path routing network design employing iterative path group relocation
  T. Ishikawa, Y. Mori, H. Hasegawa, and K. Sato
  International Workshop on Reliable Networks Design and Modeling (RNDM), Munich, Germany, October 2015.
• Novel network control scheme that can substantially reduce link and node costs simultaneously
  Y. Terada, Y. Mori, H. Hasegawa, and K. Sato
  European Conference on Optical Communication (ECOC), paper We.4.5.5, Valencia, Spain, September 2015.
• Highly scalable and compact ROADM architecture that exploits MxN wavelength-selective switches
  M. Niwa, Y. Mori, H. Hasegawa, and K. Sato
  International Conference on Photonics in Switching (PS), paper WeII3-2, Florence, Italy, September 2015.
• Large-scale optical switch with simplified sub-switch connections for datacenter application
  K. Ueda, Y. Mori, H. Hasegawa, and K. Sato
  International Conference on Photonics in Switching (PS), paper FrIII2-2, Florence, Italy, September 2015.
• Evaluation of frequency utilization enhancement with transmission-characteristics-aware grouped optical path routing
  Y. Terada, Y. Mori, H. Hasegawa, K. Sato, and T. Tanaka
  International Conference on Photonics in Switching (PS), paper SC4-2, Florence, Italy, September 2015.
• Impairment-aware optical multicast tree design with modulation format optimization
  S. Deb, H. Hasegawa, Y. Mori, and K. Sato
  International Conference on Photonics in Switching (PS), paper SC4-1, Florence, Italy, September 2015.
• Wavelength path signaling for WSS/WBSS combined optical switches in hierarchical optical networks
  T. Miyazawa, T. Hirayama, H. Harai, K. Ueda, Y. Mori, H. Hasegawa, and K. Sato
  International Conference on Transparent Optical Networks (ICTON), paper Tu.B3.5, Budapest, Hungary, July 2015.
• Experimental demonstration of multi-granular optical-path network utilizing wavelength/waveband-selective switches
  K. Ueda, M. Niwa, Y. Mori, H. Hasegawa, K. Sato, T. Miyazawa, and H. Harai
  OptoElectronics and Communications Conference (OECC), paper JThB.15, Shanghai, China, June/July 2015.
• Resilient grouped routing optical networks with finely granular protection
  H. Hasegawa, Y. Mori, and K. Sato
  International Conference on Optical Network Design and Modeling (ONDM), paper S7.3, Pisa, Italy, May 2015.
• Demonstration of large-port-count and compact ROADM that exhibits virtual-C/D/C performance
  S. Takashina, H. Ishida, Y. Mori, H. Hasegawa, K. Sato, and T. Watanabe
  OSA Optical Fiber Communication Conference (OFC), paper W3J.6, Los Angeles, USA, March 2015.
• Large-scale optical-switch prototype compactly implemented with novel functional configuration
  K. Ueda, Y. Mori, H. Hasegawa, K. Sato, and T. Watanabe
  OSA Optical Fiber Communication Conference (OFC), paper W3D.1, Los Angeles, USA, March 2015. Top-Scoring Paper
• Residual capacity aware dynamic control of GRE-based routing optical path networks under traffic growth model
  Y. Terada, Y. Mori, H. Hasegawa, and K. Sato
  OSA Optical Fiber Communication Conference (OFC), paper Th1I.6, Los Angeles, USA, March 2015.
• Wavelength-tunable filter utilizing non-cyclic arrayed waveguide grating to create colorless/directionless/contentionless ROADMs
  M. Niwa, S. Takashina, Y. Mori, H. Hasegawa, K. Sato, and T. Watanabe
  Proc. SPIE 9388, Optical Metro Networks and Short-Haul Systems VII, 938807, February 2015.
• A novel optical path routing network that combines coarse granularity optical multicast with fine granularity add/drop and block
  M. M. Mauro, Y. Mori, H. Hasegawa, and K. Sato
  Proc. SPIE 9388, Optical Metro Networks and Short-Haul Systems VII, 93880O, February 2015.