Binary Tree-based Accuracy-keeping Clustering Using CDA for Very Fast Japanese Character Recognition. - Yohei Sobu; Hideaki Goto (MVA, 2011)

WDM interconnect targeted Si-wire optical demultiplexers for large manufacturing tolerance, low voltage tunability and polarization diversified operability. - Seok-Hwan Jeong; Yohei Sobu; Shinsuke Tanaka; Takasi Simoyama; Yu Tanaka; Ken Morito (OFC, 2016)

Low Crosstalk Simultaneous 16-channel × 25 Gb/s Operation of High Density Silicon Photonics Optical Transceiver. - Tsuyoshi Aoki; Shigeaki Sekiguchi; Takasi Simoyama; Shinsuke Tanaka; Motoyuki Nishizawa; Nobuaki Hatori; Yohei Sobu; Akio Sugama; Tomoyuki Akiyama; Akinori Hayakawa; Hidenobu Muranaka; Toshihiko Mori; et al. (ECOC, 2017)

Resonant Wavelength Variation Modelling for Microring Resonators based on Fabrication Deviation Analysis. - Tsuyoshi Horikawa; Daisuke Shimura; Hiroyuki Takahashi; Jun Ushida; Yohei Sobu; Akemi Shiina; Masatoshi Tokushima; Seok-Hwan Jeong; Keizo Kinoshita; Tohru Mogami (ECOC, 2017)

Low crosstalk simultaneous 12 ch × 25 Gb/s operation of high-density silicon photonics multichannel receiver. - Tsuyoshi Aoki; Tomoyuki Akiyama; Akio Sugama; Akinori Hayakawa; Hidenobu Muranaka; Takasi Simoyama; Shinsuke Tanaka; Motoyuki Nishizawa; Nobuaki Hatori; Yohei Sobu; Yanfei Chen; Toshihiko Mori; et al. (OFC, 2017)

On-Package High-Density Silicon Photonics Optical Transceiver. - Tsuyoshi Aoki; Shigeaki Sekiguchi; Takasi Simoyama; Shinsuke Tanaka; Motoyuki Nishizawa; Nobuaki Hatori; Yohei Sobu; Akio Sugama; Tomoyuki Akiyama; Akinori Hayakawa; Hidenobu Muranaka; Toshihiko Mori; et al. (ECOC, 2018)

Error-Free Loopback of a Compact 25 Gb/s × 4 ch WDM Transceiver Assembly Incorporating Silicon (De)Multiplexers with Automated Phase-Error Correction. - Tomoyuki Akiyama; Tsuyoshi Aoki; Takasi Simoyama; Akio Sugama; Shigeaki Sekiguchi; Yohei Sobu; Shinsuke Tanaka; Yu Tanaka; Seok-Hwan Jeong; Motoyuki Nishizawa; Nobuaki Hatori; Akinori Hayakawa; et al. (OFC, 2018)

70 Gbaud Operation of All-Silicon Mach-Zehnder Modulator based on Forward-Biased PIN Diodes and Passive Equalizer. - Yohei Sobu; Takasi Simoyama; Shinsuke Tanaka; Yu Tanaka; Ken Morito (OECC/PSC, 2019)

High-speed silicon photonic modulator based on forward-biased PIN diodes and passive equalizers. - Shinsuke Tanaka; Yohei Sobu (ECOC, 2020)

High-Speed-Operation of Compact All-Silicon Segmented Mach-Zehnder Modulator Integrated with Passive RC Equalizer for Optical DAC Transmitter. - Yohei Sobu; Shinsuke Tanaka; Yu Tanaka; Yuichi Akiyama; Takeshi Hoshida (OFC, 2020)

High-Speed-Operation of All-Silicon Lumped-Electrode Modulator Integrated with Passive Equalizer. - Yohei Sobu; Shinsuke Tanaka; Yu Tanaka (IEICE Trans. Electron., 2020)

Highly power-efficient (2 pJ/bit), 128Gbps 16QAM signal generation of coherent optical DAC transmitter using 28-nm CMOS driver and all-silicon segmented modulator. - Yohei Sobu; Guoxiu Huang; Toshihiko Mori; Yukito Tsunoda; Takuji Yamamoto; Shinsuke Tanaka; Takeshi Hoshida (OFC, 2022)

1.96Tbps and 256-Gbaud Dual-carrier Faster than Nyquist Signal Transmission Using Two Narrow-bandwidth Modulators and Single Coherent Receiver. - Guoxiu Huang; Hisao Nakashima; Jun Matsui; Yohei Sobu; Shinsuke Tanaka; Takeshi Hoshida (OFC, 2023)

High-speed and low-power optical DAC transmitter using all-silicon lumped segmented modulator directly driven by CMOS inverter driver. - Yohei Sobu; Yukito Tsunoda; Toshihiko Mori; Guoxiu Huang; Takuji Yamamoto; Shinsuke Tanaka; Takeshi Hoshida (OFC, 2024)

An Accurate, Sensitive, and Wide-range Skew Calibration Method for Transmitter with Segmented Modulator Using Probability-maintained Multi-notch Sequence. - Tong Ye; Jingnan Li; Ke Zhang; Xiaofei Su; Shinsuke Tanaka; Yohei Sobu; Hisao Nakashima; Takeshi Hoshida; Zhenning Tao (OFC, 2025)