Academic Journal

2021

• Fragmentation-minimized periodic network-bandwidth expansion employing aligned channel slot allocation in flexible grid optical networks
  H. Hasegawa, T. Yasuda, Y. Mori, and K. Sato
  IEICE Transactions on Communications, vol. E104B, no. 12, pp. 1514-1523, December 2021.
• Design and verification of LO bank enabled by fixed-wavelength lasers and fast tunable silicon ring filters for creating large scale optical switches
  R. Matsumoto, R. Konoike, H. Matsuura, K. Suzuki, T. Inoue, Y. Mori, K. Ikeda, S. Namiki, and K. Sato
  Optica Optics Express, vol. 29, no. 24, pp. 39930-39945, November 2021.
• Design and control of highly spectrally efficient photonic networks enabled by fiber-granular routing on overlaid ring-shaped topologies
  R. Shiraki, Y. Mori, H. Hasegawa, K. Sato, and P. Monti
  IEEE/Optica Journal of Optical Communications and Networking, vol. 13, no. 11, pp. 233-243, November 2021.
• High-port-count optical circuit switches for intra-datacenter networks [Invited Tutorial]
  Y. Mori and K. Sato
  IEEE/OSA Journal of Optical Communications and Networking, vol. 13, no. 8, pp. D43-D52, August 2021. Invited Tutorial Paper
• Pre-filtering techniques for spectrum narrowing caused by optical node traversal in ultra-dense WDM networks
  K. Okamura, Y. Mori, and H. Hasegawa
  IEEE Photonics Journal, vol. 13, no. 2, Article No. 7200513, April 2021.
• Scalable and fast optical circuit switch based on colorless coherent detection: Design principle and experimental demonstration
  R. Matsumoto, T. Inoue, R. Konoike, H. Matsuura, K. Suzuki, Y. Mori, K. Ikeda, S. Namiki, and K. Sato
  IEEE/OSA Journal of Lightwave Technology, vol. 39, no. 8, pp. 2263-2274, April 2021. Telecom System Technology Award

International Conference

2021

• Dynamic routing and spectrum allocation based on actorcritic learning for multi-fiber elastic optical networks
  Y. Wang, Y. Mori, and H. Hasegawa
  International Conference on Photonics in Switching and Computing (PSC), paper W1B.3, Virtual Event, September 2021.
• Joint modulation/demodulation optimization without the differentiable channel model in the presence of phase noise
  J. Sakano, Y. Mori, and H. Hasegawa
  International Conference on Photonics in Switching and Computing (PSC), paper Tu5A.6, Virtual Event, September 2021.
• Design and performance evaluation of resilient optical path networks that adopt spatially-jointed flexible waveband routing
  R. Munakata, Y. Mori, S. Subramaniam, M. Jinno, and H. Hasegawa
  International Conference on Optical Network Design and Modeling (ONDM), paper NPR.1, Gothenburg, Sweden, July 2021.
• Measurement of transmitter IQ skew in high-speed digital coherent communication systems
  N. Tsuchida, T. Kuno, Y. Mori, and H. Hasegawa
  OptoElectronics and Communications Conference (OECC), paper T4B.7, Hong Kong, China, July 2021.
• Performance evaluation of dynamic fiber-granular routing networks with next-generation optical paths
  T. Matsuo, R. Shiraki, Y. Mori, and H. Hasegawa
  OptoElectronics and Communications Conference (OECC), paper T2A.8, Hong Kong, China, July 2021.
• Estimation for IQ skew of a transmitter in digital coherent communication systems
  N. Tsuchida, T. Kuno, Y. Mori, and H. Hasegawa
  Conference on Lasers and Electro-Optics/Europe – European Quantum Electronics Conference (CLEO®/Europe-EQEC), paper CI-2.5, Munich, Germany, June 2021.
• Experimental evaluation of optical cross-connects with flexible waveband routing function for SDM networks
  T. Kuno, Y. Mori, S. Subramaniam, M. Jinno, and H. Hasegawa
  OSA Optical Fiber Communication Conference (OFC), paper Th4E.3, San Diego, USA, June 2021.
• Evaluation of low-complexity digital coherent receivers for short-reach transmission systems
  T. Kuno, Y. Mori, and H. Hasegawa
  Proc. SPIE 11712, Metro and Data Center Optical Networks and Short-Reach Links IV, 117120C, March 2021.