Yohei Sobu

16 papers Misc 1Journal 1Unranked 14
YearRankTypeTitle / Venue / Authors
2025 — conf
An Accurate, Sensitive, and Wide-range Skew Calibration Method for Transmitter with Segmented Modulator Using Probability-maintained Multi-notch Sequence.
OFC
Tong Ye, Jingnan Li, Ke Zhang, Xiaofei Su, Shinsuke Tanaka, Yohei Sobu, Hisao Nakashima, Takeshi Hoshida, Zhenning Tao
2025 — conf
Nonlinear Mitigation for Coherent Optical DAC Transmitter.
ECOC
Tong Ye, Ke Zhang, Xiaofei Su, Jingnan Li, Shinsuke Tanaka, Yohei Sobu, Motoyuki Nishizawa, Hisao Nakashima, Takeshi Hoshida, Zhenning Tao
2024 — conf
High-speed and low-power optical DAC transmitter using all-silicon lumped segmented modulator directly driven by CMOS inverter driver.
OFC
Yohei Sobu, Yukito Tsunoda, Toshihiko Mori, Guoxiu Huang, Takuji Yamamoto, Shinsuke Tanaka, Takeshi Hoshida
2023 — conf
1.96Tbps and 256-Gbaud Dual-carrier Faster than Nyquist Signal Transmission Using Two Narrow-bandwidth Modulators and Single Coherent Receiver.
OFC
Guoxiu Huang, Hisao Nakashima, Jun Matsui, Yohei Sobu, Shinsuke Tanaka, Takeshi Hoshida
2022 — conf
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.
OFC
Yohei Sobu, Guoxiu Huang, Toshihiko Mori, Yukito Tsunoda, Takuji Yamamoto, Shinsuke Tanaka, Takeshi Hoshida
2020 J jnl
High-Speed-Operation of All-Silicon Lumped-Electrode Modulator Integrated with Passive Equalizer.
IEICE Trans. Electron.
Yohei Sobu, Shinsuke Tanaka, Yu Tanaka
2020 — conf
High-Speed-Operation of Compact All-Silicon Segmented Mach-Zehnder Modulator Integrated with Passive RC Equalizer for Optical DAC Transmitter.
OFC
Yohei Sobu, Shinsuke Tanaka, Yu Tanaka, Yuichi Akiyama, Takeshi Hoshida
2020 — conf
High-speed silicon photonic modulator based on forward-biased PIN diodes and passive equalizers.
ECOC
Shinsuke Tanaka, Yohei Sobu
2019 — conf
70 Gbaud Operation of All-Silicon Mach-Zehnder Modulator based on Forward-Biased PIN Diodes and Passive Equalizer.
OECC/PSC
Yohei Sobu, Takasi Simoyama, Shinsuke Tanaka, Yu Tanaka, Ken Morito
2018 — conf
Error-Free Loopback of a Compact 25 Gb/s × 4 ch WDM Transceiver Assembly Incorporating Silicon (De)Multiplexers with Automated Phase-Error Correction.
OFC
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, Toshihiko Mori
2018 — conf
On-Package High-Density Silicon Photonics Optical Transceiver.
ECOC
Tsuyoshi Aoki, Shigeaki Sekiguchi, Takasi Simoyama, Shinsuke Tanaka, Motoyuki Nishizawa, Nobuaki Hatori, Yohei Sobu, Akio Sugama, Tomoyuki Akiyama, Akinori Hayakawa, Hidenobu Muranaka, Toshihiko Mori, Y. Chen, Seok-Hwan Jeong, Yu Tanaka, Ken Morito
2017 — conf
Low Crosstalk Simultaneous 16-channel × 25 Gb/s Operation of High Density Silicon Photonics Optical Transceiver.
ECOC
Tsuyoshi Aoki, Shigeaki Sekiguchi, Takasi Simoyama, Shinsuke Tanaka, Motoyuki Nishizawa, Nobuaki Hatori, Yohei Sobu, Akio Sugama, Tomoyuki Akiyama, Akinori Hayakawa, Hidenobu Muranaka, Toshihiko Mori, Yanfei Chen, Seok-Hwan Jeong, Yu Tanaka, Ken Morito
2017 — conf
Low crosstalk simultaneous 12 ch × 25 Gb/s operation of high-density silicon photonics multichannel receiver.
OFC
Tsuyoshi Aoki, Tomoyuki Akiyama, Akio Sugama, Akinori Hayakawa, Hidenobu Muranaka, Takasi Simoyama, Shinsuke Tanaka, Motoyuki Nishizawa, Nobuaki Hatori, Yohei Sobu, Yanfei Chen, Toshihiko Mori, Shigeaki Sekiguchi, Seok-Hwan Jeong, Yu Tanaka, Ken Morito
2017 — conf
Resonant Wavelength Variation Modelling for Microring Resonators based on Fabrication Deviation Analysis.
ECOC
Tsuyoshi Horikawa, Daisuke Shimura, Hiroyuki Takahashi, Jun Ushida, Yohei Sobu, Akemi Shiina, Masatoshi Tokushima, Seok-Hwan Jeong, Keizo Kinoshita, Tohru Mogami
2016 — conf
WDM interconnect targeted Si-wire optical demultiplexers for large manufacturing tolerance, low voltage tunability and polarization diversified operability.
OFC
Seok-Hwan Jeong, Yohei Sobu, Shinsuke Tanaka, Takasi Simoyama, Yu Tanaka, Ken Morito
2011 Misc conf
Binary Tree-based Accuracy-keeping Clustering Using CDA for Very Fast Japanese Character Recognition.
MVA
Yohei Sobu, Hideaki Goto