Flat-Topped Spectral Response in a Ladder-Type Interferometric Filter. - Seok-Hwan Jeong; Shinji Matsuo; Yuzo Yoshikuni; Toru Segawa; Yoshitaka Ohiso; Hiroyuki Suzuki (IEICE Trans. Electron., 2005)

A High-Speed Tunable Optical Filter Using a Semiconductor Ring Resonator for Photonic Packet Switch. - Shinji Matsuo; Yoshitaka Ohiso; Toru Segawa (IEICE Trans. Electron., 2005)

Apodised Chirped Gratings Using Deep-Ridge Waveguides with Vertical-Groove Surface Gratings. - Jun Miyazu; Toru Segawa; Shinji Matsuo; Tetsuyoshi Ishii; Hiroyuki Suzuki; Yuzo Yoshikuni (IEICE Trans. Electron., 2005)

Monolithically Integrated Wavelength-Routing Switch Using Tunable Wavelength Converters with Double-Ring-Resonator Tunable Lasers. - Toru Segawa; Shinji Matsuo; Takaaki Kakitsuka; Yasuo Shibata; Tomonari Sato; Yoshihiro Kawaguchi; Yasuhiro Kondo; Ryo Takahashi (IEICE Trans. Electron., 2011)

Wavelength-Routed Switching for 25-Gbit/s Optical Packets Using a Compact Transmitter Integrating a Parallel-Ring-Resonator Tunable Laser and an InGaAlAs EAM. - Toru Segawa; Wataru Kobayashi; Tatsushi Nakahara; Ryo Takahashi (IEICE Trans. Electron., 2014)

100 Gbps multi-format optical packet and circuit switching node with transparent optical switch and burst-mode amplifier. - Hideaki Furukawa; Jose Manuel Delgado Mendinueta; Toru Segawa; Ryo Takahashi; Hiroaki Harai; Satoshi Shinada; Naoya Wada (ECOC, 2015)

A torus datacenter network based on OPS/OCS/VOCS enabled by smart flow management. - Ryo Takahashi; Salah Ibrahim; Toru Segawa; Tatsushi Nakahara; Hiroshi Ishikawa 007; Yasumasa Suzaki; Yue-Cai Huang; Ken-ichi Kitayama; Atsushi Hiramatsu (OFC, 2015)

Torus Data Center Network With Smart Flow Control Enabled by Hybrid Optoelectronic Routers [Invited]. - Ryo Takahashi; Toru Segawa; Salah Ibrahim; Tatsushi Nakahara; Hiroshi Ishikawa 007; Atsushi Hiramatsu; Yue-Cai Huang; Ken-ichi Kitayama (JOCN, 2015)

Monolithically Integrated 4×4 Optical Switch with Cascaded MZIs and EAM-Gate Array. - Yusuke Muranaka; Tatsushi Nakahara; Salah Ibrahim; Takuro Fujii; Toru Segawa; Toshikazu Hashimoto; Ryo Takahashi (ECOC, 2017)

2-channel 112-Gbps NRZ Short-Reach Transmission Based on 60-GHz-Bandwidth Directly-Modulated Membrane Laser Array on Si. - Nikolaos-Panteleimon Diamantopoulos; Takuro Fujii; Suguru Yamaoka; Hidetaka Nishi; Koji Takeda; Tai Tsuchizawa; Toru Segawa; Takaaki Kakitsuka; Shinji Matsuo (ECOC, 2021)

Low-loss lithium tantalate on insulator waveguide towards on-chip nonlinear photonics. - Hidetaka Nishi; Tai Tsuchizawa; Toru Segawa; Shinji Matsuo (OECC/PSC, 2022)

XPM-Based Reservoir Computing Using Membrane MZM Integrated with SOAs on Si. - Takuma Tsurugaya; Tatsurou Hiraki; Takuma Aihara; Mitsumasa Nakajima; Nikolaos-Panteleimon Diamantopoulos; Koji Takeda; Toru Segawa; Shinji Matsuo (OECC/PSC, 2022)

30-Gbps/ch x 4 ch Simultaneous Error-Free Transmission with A Low-Power Transmitter Flip-Chip-Bonded 1.3-μm LD-Array-on-Si. - Toshiki Kishi; Munehiko Nagatani; Shigeru Kanazawa; Kota Shikama; Takuro Fujii; Hidetaka Nishi; Tadashi Minotani; Norio Sato; Toru Segawa; Shinji Matsuo (OFC, 2023)

Uncooled Operation of Directly Modulated Membrane Laser with Buried Sapphire Layer on Si Substrate. - Tatsurou Hiraki; Yoshiho Maeda; Takuro Fujii; Koji Takeda; Takuma Aihara; Toru Segawa; Yasutomo Ota; Satoshi Iwamoto; Yasuhiko Arakawa; Shinji Matsuo (OFC, 2024)

Process-tolerant III-V/Si Membrane Distributed Reflector Lasers and 50-Gb/s Direct Modulation at 80°C. - Koji Takeda; Takuro Fujii; Yoshiho Maeda; Toru Segawa; Shinji Matsuo (OFC, 2024)