Real-Time DSP for Adaptive FIR Filters Based on LMS Algorithm. - Masahiro Kikuta; Shohei Beppu; Tomoyuki Nagai; Yasuo Saito; Takehiro Tsuritani; Koji Igarashi (OECC/PSC, 2019)

Ultra-long-time (0.8 s) characterization of laser phase noise with high temporal resolution (800 ps) based on heterodyne reception with FPGA data acquisition. - Hayato Kiwata; Masahiro Kikuta; Masahiro Shigihara; Koji Igarashi (ECOC, 2020)

Real-Time Strongly-Coupled 4-Core Fiber Transmission. - Shohei Beppu; Koji Igarashi; Hiroshi Mukai; Masahiro Kikuta; Masahiro Shigihara; Daiki Soma; Takehiro Tsuritani; Itsuro Morita (OFC, 2020)

Mode-multiplexed 16QAM transmission over 60-km coupled four-core fibres using real-time MIMO-DSP with high-accuracy frequency offset estimation. - Shohei Beppu; Masahiro Kikuta; Koji Igarashi; Hiroshi Mukai; Masahiro Shigihara; Yasuo Saito; Daiki Soma; Hidenori Takahashi; Noboru Yoshikane; Takehiro Tsuritani (ECOC, 2021)

Real-time MIMO-DSP Technologies for SDM Systems. - Shohei Beppu; Koji Igarashi; Masahiro Kikuta; Hiroshi Mukai; Masahiro Shigihara; Yasuo Saito; Daiki Soma; Hidenori Takahashi; Noboru Yoshikane; Itsuro Morita; Takehiro Tsuritani (OFC, 2021)

Real-time Transoceanic Coupled 4-core Fiber Transmission. - Shohei Beppu; Masahiro Kikuta; Koji Igarashi; Hiroshi Mukai; Masahiro Shigihara; Yasuo Saito; Daiki Soma; Hidenori Takahashi; Noboru Yoshikane; Itsuro Morita; Masatoshi Suzuki; Takehiro Tsuritani (OFC, 2021)

Real-time 6-Mode 19-Core Fiber Transmission. - Shohei Beppu; Masahiro Kikuta; Daiki Soma; Yoichi Yaegashi; Koji Igarashi; Masahiro Shigihara; Kazuhiko Aizawa; Noboru Yoshikane; Takehiro Tsuritani (OFC, 2023)