Loss reduction of silica-based 8 × 8 optical matrix switch by optimizing waveguide crossings using WFM method. - Yohei Sakamaki; Shunichi Sohma; Takashi Saida; Toshikazu Hashimoto; Hiroshi Takahashi; Tomohiro Shibata (IEICE Electron. Express, 2007)

Reduction of phase-difference deviation in 90° optical hybrid over wide wavelength range. - Yohei Sakamaki; Yusuke Nasu; Toshikazu Hashimoto; Kuninori Hattori; Takashi Saida; Hiroshi Takahashi (IEICE Electron. Express, 2010)

Compact and Athermal DQPSK Demodulator with Silica-Based Planar Lightwave Circuit. - Yusuke Nasu; Yohei Sakamaki; Kuninori Hattori; Shin Kamei; Toshikazu Hashimoto; Takashi Saida; Hiroshi Takahashi; Yasuyuki Inoue (IEICE Trans. Electron., 2010)

Functional integrated modulators and receivers utilizing PLC hybrid integration technology for coherent transmission. - Shinji Mino; Hiroshi Yamazaki; Takashi Goh; Ken Tsuzuki; Takashi Saida; Takaharu Ohyama; Ikuo Ogawa; Koichi Murata (IEICE Electron. Express, 2011)

Transmitter synthesis for advanced modulation formats utilizing silica-LiNbO3 hybrid integration technology. - Shinji Mino; Hiroshi Yamazaki; Takashi Goh; Takashi Saida (OFC/NFOEC, 2013)

Ultra-compact and low-loss silica-based dual polarization optical hybrid for digital coherent receiver with excellent common-mode rejection ratio. - Takayuki Mizuno; Takashi Saida; Yusuke Nasu; Takashi Yamada; Yasuaki Hashizume; Hiroshi Takahashi (OFC/NFOEC, 2013)

Simple three-dimensional simplex modulator. - Hiroshi Yamazaki; Yasuaki Hashizume; Takashi Saida (OFC, 2014)

Optical Nyquist-filtering multi/demultiplexer with PLC for 1-Tb/s class super-channel transceiver. - Takashi Goh; Mikitaka Itoh; Hiroshi Yamazaki; Takashi Saida; Toshikazu Hashimoto (OFC, 2015)

Emerging integrated devices for coherent transmission - Digitally assisted analog optics. - Takashi Saida (OFC, 2017)

Novel CDC ROADM Architecture Utilizing Low Loss WSS and MCS without Necessity of Inline Amplifier and Filter. - Yiran Ma; Kenya Suzuki; Ian Clarke; Ai Yanagihara; Patrick Wong; Takashi Saida; Stefano Camatel (OFC, 2019)

Highly Reliable Silica-LiNbO3 Hybrid Modulator Using Heterogeneous Material Integration Technology. - Atsushi Aratake; Ken Tsuzuki; Motohaya Ishii; Takashi Saida; Takashi Goh; Yoshiyuki Doi; Hiroshi Yamazaki; Takao Fukumitsu; Takashi Yamada; Shinji Mino (IEICE Trans. Electron., 2020)

50-Tb/s (1 Tb/s × 50 ch) WDM Transmission on Two 6.25-THz Bands Using Hybrid Inline Repeater of PPLN-based OPAs and Incoherent-forward-pumped DRA. - Takayuki Kobayashi; Shimpei Shimizu; Masanori Nakamura; Takeshi Umeki; Takushi Kazama; Junji Yoshida; Shigehiro Takasaka; Yasuto Tatamida; Hiroto Kawakami; Fukutaro Hamaoka; Munehiko Nagatani; Hiroshi Yamazaki; et al. (OFC, 2022)