Physically Asymmetric Star Network with CWDM Wavelength Router. - Osamu Moriwaki; Kazuto Noguchi; Yoshihisa Sakai (IEEE Commun. Lett., 2007)

Formulation of Waveguide Connection for Waveband MUX/DEMUX Using Concatenated Arrayed-Waveguide Gratings. - Shoji Kakehashi; Hiroshi Hasegawa; Ken-ichi Sato; Osamu Moriwaki (IEICE Trans. Commun., 2007)

Compact Matrix-Switch-Based Hierarchical Optical Path Cross-Connect with Colorless Waveband Add/Drop Ratio Restriction. - Ryosuke Hirako; Kiyo Ishii; Hiroshi Hasegawa; Ken-ichi Sato; Osamu Moriwaki (IEICE Trans. Commun., 2011)

8 × 8 wavelength cross connect with add/drop ports integrated in spatial and planar optical circuit. - Naru Nemoto; Yuichiro Ikuma; Kenya Suzuki; Osamu Moriwaki; Toshio Watanabe; Mikitaka Itoh; Tetsuo Takahashi (ECOC, 2015)

8 × 24 wavelength selective switch for low-loss transponder aggregator. - Yuichiro Ikuma; Kenya Suzuki; Naru Nemoto; Etsu Hashimoto; Osamu Moriwaki; Tetsuo Takahashi (OFC, 2015)

Fast Switching of 84 μs for Silica-Based PLC Switch. - Osamu Moriwaki; Kenya Suzuki (OFC, 2020)

Device Response Time Reduction for Large-Scale and Fast Optical Switching Systems. - Kenya Suzuki; Kazushige Yonenaga; Noboru Takachio; Toshiki Tanaka; Osamu Moriwaki; Hiroshi Onaka (OFC, 2021)

1, 000-port Scale and 100-µs Switching with Carrier-grade Devices. - Osamu Moriwaki; Satoshi Ide; Noboru Takachio; Hiroshi Onaka; Kenya Suzuki (OECC/PSC, 2022)

Sub-ms Data Recovery at 1, 000-port Scale Optical Switch Developed with Customized Practical Devices. - Osamu Moriwaki; Kazushige Yonenaga; Satoshi Ide; Noboru Takachio; Hiroshi Onaka; Kenya Suzuki (OFC, 2023)

Highly rectangular SCL-band MUX/DEMUX filter using compact cascaded arrayed waveguide gratings. - Masashi Ota; Kenya Suzuki; Keita Yamaguchi; Takeshi Umeki; Satomi Katayose; Osamu Moriwaki (OFC, 2024)

Double-decker CDC-ROADM node for multi-band network with wavelength band granularity. - Kenya Suzuki; Masashi Ota; Yoshie Morimoto; Keita Yamaguchi; Fukutaro Hamaoka; Shuto Sugawara; Takeo Sasai; Takayuki Kobayashi; Masanori Nakamura; Satomi Katayose; Takeshi Umeki; Daisuke Ogawa; et al. (OFC, 2024)

Spot-Size-Adjustable Optical Mediator using 3D-Tapered Silica Waveguides for SiPh/SMF Low-Loss Connection. - Masashi Ota; Yoshinori Hibino; Mikihiro Kurosawa; Tomomasa Kiyozawa; Ai Yanagihara; Yoshie Morimoto; Keita Yamaguchi; Kenya Suzuki; Osamu Moriwaki (OFC, 2025)