A 25-Gb/s 2.2-W optical transceiver using an analog FE tolerant to power supply noise and redundant data format conversion in 65-nm CMOS. - Takashi Takemoto; Hiroki Yamashita; Takehito Kamimura; Fumio Yuki; Noboru Masuda; Hidehiro Toyoda; Norio Chujo; Kenji Kogo; Yong Lee; Shinji Tsuji; Shinji Nishimura (VLSIC, 2012)

25 Gb/s 150-m Multi-Mode Fiber Transmission Using a CMOS-Driven 1.3-µm Lens-Integrated Surface-Emitting Laser. - Daichi Kawamura; Toshiaki Takai; Yong Lee; Kenji Kogo; Koichiro Adachi; Yasunobu Matsuoka; Norio Chujo; Reiko Mita; Saori Hamamura; Satoshi Kaneko; Kinya Yamazaki; Yoshiaki Ishigami; et al. (IEICE Trans. Electron., 2013)

3.2 multi-standard 185fsrms 0.3-to-28Gb/s 40dB backplane signal conditioner with adaptive pattern-match 36-Tap DFE and data-rate-adjustment PLL in 28nm CMOS. - Takashi Kawamoto; Takayasu Norimatsu; Kenji Kogo; Fumio Yuki; Norio Nakajima; Masatoshi Tsuge; Tatsunori Usugi; Tomofumi Hokari; Hideki Koba; Takemasa Komori; Junya Nasu; Tsuneo Kawamata; et al. (ISSCC, 2015)

Music similarity retrieval method considering music arrangement. - Kenji Kogo; Kyoji Kawagoe; Teruhisa Hochin (ICIS, 2016)

3.3 A 25Gb/s multistandard serial link transceiver for 50dB-loss copper cable in 28nm CMOS. - Takayasu Norimatsu; Takashi Kawamoto; Kenji Kogo; Naohiro Kohmu; Fumio Yuki; Norio Nakajima; Takashi Muto; Junya Nasu; Takemasa Komori; Hideki Koba; Tatsunori Usugi; Tomofumi Hokari; et al. (ISSCC, 2016)

Design procedure of 25.8 Gbps/lane re-timer IC regarding power integrity. - Kenji Kogo; Takayasu Norimatsu; Norihiro Kohmu; Takashi Kawamoto (IEICE Electron. Express, 2017)

An Active Copper-Cable Supporting 56-Gbit/s PAM4 and 28-Gbit/s NRZ with Continuous Time Linear Equalizer IC for to-Meters Reach Interconnection. - Koji Maeda; Takayasu Norimatsu; Kenji Kogo; Naohiro Kohmu; Kei Nishimura; Izumi Fukasaku (VLSI Circuits, 2018)

A 100-Gbps 4-Lane Transceiver for 47-dB Loss Copper Cable in 28-nm CMOS. - Takayasu Norimatsu; Kenji Kogo; Takemasa Komori; Naohiro Kohmu; Fumio Yuki; Takashi Kawamoto (IEEE Trans. Circuits Syst., 2020)