Location-resolved PDL Monitoring with Rx-side Digital Signal Processing in Multi-span Optical Transmission System. - Motohiko Eto; Kazuyuki Tajima; Setsuo Yoshida; Shoichiro Oda; Takeshi Hoshida (OFC, 2022)

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)

Robust Longitudinal Power Profile Estimation in Optical Networks using MMSE with Complex Scaling Factor. - Inwoong Kim; Olga Vassilieva; Ryu Shinzaki; Motohiko Eto; Shoichiro Oda; Paparao Palacharla (OFC, 2023)

Optical Network Tomography: Demonstration of Anomaly Loss Monitoring and Fiber-Type Identification. - Ryu Shinzaki; Motohiko Eto; Kazuyuki Tajima; Kyosuke Sone; Setsuo Yoshida; Shoichiro Oda; Inwoong Kim; Olga Vassilieva; Paparao Palacharla; Takeshi Hoshida (OFC, 2023)

Digital Coherent Receiver Based Optical Performance Monitoring Technology and its Application to Photonics Tomography. - Shoichiro Oda; Ryu Shinzaki; Motohiko Eto; Kazuyuki Tajima; Kyosuke Sone; Setsuo Yoshida; Inwoong Kim; Olga Vassilieva; Paparao Palacharla; Takeshi Hoshida (OFC, 2024)

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)