Three Benefits Brought by Perturbation Back-Propagation Algorithm in 224Gb/s DP-16QAM Transmission. - Shoichiro Oda; Takahito Tanimura; Takeshi Hoshida; Yuichi Akiyama; Hisao Nakashima; Kyosuke Sone; Zhenning Tao; Jens C. Rasmussen (IEICE Trans. Commun., 2014)

Experimental investigation on nonlinear tolerance of subcarrier multiplexed signals with spectrum optimization. - Hisao Nakashima; Takahito Tanimura; Tomofumi Oyama; Yuichi Akiyama; Takeshi Hoshida; Jens C. Rasmussen (ECOC, 2015)

Nonlinear mitigation technique using subcarrier power pre-emphasis and digital nonlinear compensation in superchannel transmission. - Tomohiro Yamauchi; Olga Vassilieva; Shoichiro Oda; Inwoong Kim; Chihiro Ohshima; Hisao Nakashima; Takeshi Hoshida; Yasuhiko Aoki; Motoyoshi Sekiya; Yuichi Akiyama; Jens C. Rasmussen (ECOC, 2015)

Complexity reduction of perturbation-based nonlinear compensator by sub-band processing. - Tomofumi Oyama; Hisao Nakashima; Takeshi Hoshida; Takahito Tanimura; Yuichi Akiyama; Zhenning Tao; Jens C. Rasmussen (OFC, 2015)

Autonomous and Real-time Controlled Transceiver Prototype with FSK Supervisory Signal and Performance Monitoring. - Yi Ge; Shoichiro Oda; Ying Zhao; Guoxiu Huang; Setsuo Yoshida; Hisao Nakashima; Yuichi Akiyama; Yoshio Hirose; Zhenning Tao; Takeshi Hoshida (ECOC, 2017)

Polarization Dependent Loss Monitor with Visualization on Poincaré Sphere in Digital Coherent System. - Guoxiu Huang; Shoichiro Oda; Yuichi Akiyama; Hiroyuki Irie; Setsuo Yoshida; Hisao Nakashima; Takeshi Hoshida (ECOC, 2017)

Digital nonlinear compensation technologies in coherent optical communication systems. - Hisao Nakashima; Tomofumi Oyama; Chihiro Ohshima; Yuichi Akiyama; Zhenning Tao; Takeshi Hoshida (OFC, 2017)

400Gbit/s/ch Field Demonstration of Modulation Format Adaptation Based on Pilot-Aided OSNR Estimation Using Real-Time DSP. - Seiji Okamoto; Kazushige Yonenaga; Kengo Horikoshi; Mitsuteru Yoshida; Yutaka Miyamoto; Masahito Tomizawa; Takeshi Okamoto; Hidemi Noguchi; Jun-ichi Abe; Junichiro Matsui; Hisao Nakashima; Yuichi Akiyama; et al. (IEICE Trans. Commun., 2017)

Efficient Polarization Dependent Loss Monitoring and Compensation in Coherent Transmission System. - Guoxiu Huang; Yuichi Akiyama; Tomohiro Yamauchi; Shoichiro Oda; Tomofumi Oyama; Hisao Nakashima; Takeshi Hoshida (ECOC, 2018)

Innovative Optical Networking by Optical Performance Monitoring and Learning Process. - Shoichiro Oda; Martin Bouda; Yi Ge; Setsuo Yoshida; Takahito Tanimura; Yuichi Akiyama; Yoshio Hirose; Zhenning Tao; Tadashi Ikeuchi; Takeshi Hoshida (ECOC, 2018)

An Accurate and Robust PDL Monitor by Digital Signal Processing in Coherent Receiver. - Huihui Li; Guoxiu Huang; Zhenning Tao; Hao Chen 058; Shoichiro Oda; Yuichi Akiyama; Tomohiro Yamauchi; Takeshi Hoshida (OFC, 2018)

Single-Wavelength, Single-Photodiode per Polarization 276 Gb/s PDM 8-QAM over 100 km of SSMF. - Rafael Puerta; Tomohiro Yamauchi; Takahito Tanimura; Yuichi Akiyama; Tomoo Takahara; Idelfonso Tafur Monroy; Takeshi Hoshida (OFC, 2018)

Demonstration of Continuous Improvement in Open Optical Network Design by QoT Prediction using Machine Learning. - Martin Bouda; Shoichiro Oda; Yuichi Akiyama; Denis Paunovic; Takeshi Hoshida; Paparao Palacharla; Tadashi Ikeuchi (OFC, 2019)

Fiber Nonlinear Noise-to-Signal Ratio Estimation by Machine Learning. - Ke Zhang; Yangyang Fan; Tong Ye; Zhenning Tao; Shoichiro Oda; Takahito Tanimura; Yuichi Akiyama; Takeshi Hoshida (OFC, 2019)

Investigation on Maximum Transmission Reach in Wavelength Converted Systems. - Tomohiro Yamauchi; Tomoyuki Kato; Goji Nakagawa; Shigeki Watanabe; Yuichi Akiyama; Takeshi Hoshida (OECC/PSC, 2019)

Up to 115GBaud Faster Than Nyquist PDM-64QAM Based on Tomlinson-Harashima Precoding with Single DAC. - Guoxiu Huang; Hisao Nakashima; Yuichi Akiyama; Takeshi Hoshida (ECOC, 2020)

High-Speed-Operation of Compact All-Silicon Segmented Mach-Zehnder Modulator Integrated with Passive RC Equalizer for Optical DAC Transmitter. - Yohei Sobu; Shinsuke Tanaka; Yu Tanaka; Yuichi Akiyama; Takeshi Hoshida (OFC, 2020)

Whole Band Wavelength Conversion for Wideband Transmission. - Tomoyuki Kato; Shigeki Watanabe; Tomohiro Yamauchi; Goji Nakagawa; Hidenobu Muranaka; Yu Tanaka; Yuichi Akiyama; Takeshi Hoshida (OFC, 2021)

Probabilistic vs. Geometric Constellation Shaping in Commercial Applications. - Olga Vassilieva; Inwoong Kim; Hiroyuki Irie; Yohei Koganei; Hisao Nakashima; Yuichi Akiyama; Takeshi Hoshida; Paparao Palacharla (OFC, 2022)

WDM Transmission in S-Band Using PPLN-Based Wavelength Converters and 400-Gb/s C-Band Real-Time Transceivers. - Tomoyuki Kato; Hidenobu Muranaka; Yu Tanaka; Yuichi Akiyama; Takeshi Hoshida; Shimpei Shimizu; Takayuki Kobayashi; Takushi Kazama; Takeshi Umeki; Kei Watanabe; Yutaka Miyamoto (OECC/PSC, 2022)

U-Band Transmission of Real-Time 200-Gb/s Signal Co-Propagating with C+L-Band WDM Signal. - Tomoyuki Kato; Hiroyuki Irie; Hidenobu Muranaka; Yu Tanaka; Yuichi Akiyama; Takeshi Hoshida (OFC, 2023)

S-Band WDM Transmission Using PPLN-Based Wavelength Converters and 400-Gb/s C-Band Real-Time Transceivers. - Tomoyuki Kato; Hidenobu Muranaka; Yu Tanaka; Yuichi Akiyama; Takeshi Hoshida; Shimpei Shimizu; Takayuki Kobayashi; Takushi Kazama; Takeshi Umeki; Kei Watanabe; Yutaka Miyamoto (IEICE Trans. Commun., 2023)