Dual-Carrier 1-Tb/s Transmission Over Field-Deployed Large-Core Pure-Silica-Core Fiber Link Using Real-Time Transponder. - Fukutaro Hamaoka; Takeo Sasai; Kohei Saito; Takayuki Kobayashi; Asuka Matsushita; Masanori Nakamura; Hiroki Taniguchi; Shoichiro Kuwahara; Hiroki Kawahara; Takeshi Seki; Josuke Ozaki; Yoshihiro Ogiso; et al. (OECC/PSC, 2019)

Proposal and verification of auto calibration technique for bias control circuit connecting to imperfect IQ-modulator. - Hiroto Kawakami; Shoichiro Kuwahara; Yoshiaki Kisaka (OECC/PSC, 2019)

Gain Instability in Forward-Pumped Raman Amplifier and Its Suppression Utilizing a Dual-Arm Depolarizer for Pump Light. - Hiroto Kawakami; Shoichiro Kuwahara; Yoshiaki Kisaka (ECOC, 2020)

Dual-Carrier 1-Tb/s Transmission Over Field-Deployed G.654.E Fiber Link Using Real-Time Transponder. - Fukutaro Hamaoka; Takeo Sasai; Kohei Saito; Takayuki Kobayashi; Asuka Matsushita; Masanori Nakamura; Hiroki Taniguchi; Shoichiro Kuwahara; Hiroki Kawahara; Takeshi Seki; Josuke Ozaki; Yoshihiro Ogiso; et al. (IEICE Trans. Commun., 2020)

Proposal and Verification of Auto Calibration Technique for Bias Control Circuit Connecting to Built-In Optical Power Monitor in Imperfect IQ-Modulator. - Hiroto Kawakami; Shoichiro Kuwahara; Yoshiaki Kisaka (IEICE Trans. Commun., 2020)

Dither-free Bias Condition Monitoring Technique Utilizing Reference Light for In- service Optical IQ modulator. - Hiroto Kawakami; Shoichiro Kuwahara; Yoshiaki Kisaka (OECC/PSC, 2022)