Demonstration of real-time FSK light labeling using DAC-based transmitter for 400G superchannel. - Goji Nakagawa; Shoichiro Oda; Setsuo Yoshida; Guoxiu Huang; Yasuhiko Aoki; Takeshi Hoshida; Taku Saito; Taketo Endo; Kousuke Komaki; Osamu Takeuchi; Hiroshi Onaka; Jens C. Rasmussen (ECOC, 2015)

Frequency domain DSP based channel spacing monitor in denser Nyquist-WDM system. - Ying Zhao; Liang Dou; Zhenning Tao; Huihui Li; Taku Saito; Kousuke Komaki; Shoichiro Oda; Yasuhiko Aoki; Jens C. Rasmussen (ECOC, 2015)

A Method to Separate the Penalties Caused by Various Nonlinear Signal-Pump Impairments in Raman Amplified System. - Jingnan Li; Yangyang Fan; Zhenning Tao; Tong Ye; Hiroyuki Irie; Hisao Nakashima; Kousuke Komaki; Takeshi Hoshida (OFC, 2020)

Demonstration of State-of-polarization Change Localization Based on Digital Coherent Transceivers. - Naoya Okada; Joji Terashi; Setsuo Yoshida; Reiko Kuroiwa; Yu Tajima; Ichiro Yokokura; Atsushi Kanai; Junichi Sugiyama; Norihiro Yoshida; Shoichiro Oda; Kousuke Komaki; Takeshi Hoshida (OFC, 2025)