Demonstration of the improvement of transmission distance using multiple state trellis coded optical modulation. - Emmanuel Le Taillandier de Gabory; Tatsuya Nakamura; Hidemi Noguchi; Wakako Maeda; Sadao Fujita; Jun-ichi Abe; Kiyoshi Fukuchi (APCC, 2015)

Long Haul transmission of four-dimensional 64SP-12QAM signal based on 16QAM constellation for longer distance at same spectral efficiency as PM-8QAM. - Tatsuya Nakamura; Emmanuel Le Taillandier de Gabory; Hidemi Noguchi; Wakako Maeda; Jun-ichi Abe; Kiyoshi Fukuchi (ECOC, 2015)

Practical techniques for nonlinear compensation and mitigation. - Kiyoshi Fukuchi; Atsufumi Shihavama; Kohei Hosokawa; Wakako Maeda; Hidemi Noguchi; Jun-ichi Abe (OFC, 2015)

Experimental demonstration of the improvement of system sensitivity using multiple state trellis coded optical modulation with QPSK and 16QAM constellations. - Emmanuel Le Taillandier de Gabory; Tatsuya Nakamura; Hidemi Noguchi; Wakako Maeda; Sadao Fujita; Jun-ichi Abe; Kiyoshi Fukuchi (OFC, 2015)

No-guard-band integration of digital coherent CV-QKD system into 400 Gbit/s 75 GHz grid DWDM systems. - Tetsuo Kawakami; Hiroki Kawahara; Toshihiko Okamura; Ken-Ichiro Yoshino; Wakako Maeda (OFC, 2024)

Precise Localization of Rapid Instantaneous State of Polarization Fluctuations over FPGA. - Yusuke Sasaki; Masaki Sato; Hidemi Noguchi; Kohei Hosokawa; Wakako Maeda (OFC, 2025)

Bidirectional 4-core MC-EDFA featuring integrated optical components and inter-core optical loopback function. - Hitoshi Takeshita; Yusuke Shimomura; Wakako Maeda (OFC, 2025)

Demonstration of Multigranular-Routing Layered Network with Impairment-Aware Modulation Format Selection. - Hayato Yuasa; Takuma Kuno; Taisei Sekizuka; Yojiro Mori; Shih-Chun Lin 002; Motoharu Matsuura; Suresh Subramaniam 001; Wakako Maeda; Shigeyuki Yanagimachi; Hiroshi Hasegawa (OFC, 2025)