Implementation of Rx-side DSP-based fiber-longitudinal optical power profile monitoring for optical network tomography. - Kyosuke Sone; Motohiko Eto; Kazuyuki Tajima; Setsuo Yoshida; Ichiro Yokokura; Kenichi Kamada; Shoichiro Oda; Takeshi Hoshida (OECC/PSC, 2022)

Advanced Multi-Span Signal Monitoring Using Digital Coherent Receivers. - Takeshi Hoshida; Ryu Shinzaki; Motohiko Eto; Kazuyuki Tajima; Kyosuke Sone; Setsuo Yoshida; Naoya Okada; Ichiro Yokokura; Atsushi Kanai; Junichi Sugiyama; Shoichiro Oda; Hisao Nakashima (OFC, 2025)

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)