Advanced and feasible signal processing algorithm for nonlinear mitigation. - Takeshi Hoshida; Liang Dou; Weizhen Yan; Lei Li 041; Zhenning Tao; Shoichiro Oda; Hisao Nakashima; Chihiro Ohshima; Tomofumi Oyama; Jens C. Rasmussen (OFC/NFOEC, 2013)

Evaluation of FSK light labels superimposed on 112 Gbps DP-QPSK signal with real-time coherent receiver and optical filter based decoder for light path tracing. - Goji Nakagawa; Shoichiro Oda; Kyosuke Sone; Yasuhiko Aoki; Kazuo Hironishi; Takahito Tanimura; Takeshi Hoshida; Jens C. Rasmussen (OFC/NFOEC, 2013)

Experimental investigation of the statistics of the interplay between nonlinear and PDL effects in polarization multiplexed systems. - Olga Vassilieva; Shoichiro Oda; Takeshi Hoshida; Jens C. Rasmussen; Motoyoshi Sekiya (OFC/NFOEC, 2013)

Digital nonlinear compensation for spectrally efficient superchannel transmission at 400Gbit/s and beyond. - Takeshi Hoshida; Takahito Tanimura; Tomofumi Oyama; Shoichiro Oda; Hisao Nakashima; Yangyang Fan; Liang Dou; Zhenning Tao; Jens C. Rasmussen (ECOC, 2014)

Demonstration of integrated optical path monitoring sub-system in CDCG-ROADM network. - Goji Nakagawa; Shoichiro Oda; Kyosuke Sone; Yasuhiko Aoki; Takeshi Hoshida; Jens C. Rasmussen (ECOC, 2014)

Systematic analysis of intra-superchannel nonlinear crosstalk in flexible grid networks. - Olga Vassilieva; Tomohiro Yamauchi; Shoichiro Oda; Inwoong Kim; Takeshi Hoshida; Yasuhiko Aoki; Jens C. Rasmussen; Motoyoshi Sekiya (ECOC, 2014)

Next generation photonic node architecture using software-defined universal transceivers. - Yasuhiko Aoki; Xi Wang 001; Goji Nakagawa; Shoichiro Oda; Kyosuke Sone; Takahito Tanimura; Takeshi Hoshida; Paparao Palacharla; Motoyoshi Sekiya; Jens C. Rasmussen (OFC, 2014)

Crosstalk analysis of FSK light label on 112 Gbps DP-QPSK signal in CNCG ROADM network. - Goji Nakagawa; Shoichiro Oda; Kyosuke Sone; Yasuhiko Aoki; Kazuo Hironishi; Takahito Tanimura; Takeshi Hoshida; Jens C. Rasmussen (OFC, 2014)

Accurate bit error ratio monitor by spectral filtering and optical power measurements. - Shoichiro Oda; Tomohiro Yamauchi; Jeng-Yuan Yang; Youichi Akasaka; Olga Vassilieva; Yasuhiko Aoki; Motoyoshi Sekiya; Jens C. Rasmussen (OFC, 2014)

Robust and efficient receiver-side compensation method for intra-channel nonlinear effects. - Tomofumi Oyama; Hisao Nakashima; Shoichiro Oda; Tomohiro Yamauchi; Zhenning Tao; Takeshi Hoshida; Jens C. Rasmussen (OFC, 2014)

Coherent reception and 126 GHz bandwidth digital signal processing of CO-OFDM superchannel generated by fiber frequency conversion. - Takahito Tanimura; Tomoyuki Kato; Ryo Okabe; Shoichiro Oda; Thomas Richter 004; Robert Elschner; Carsten Schmidt-Langhorst; Colja Schubert; Jens C. Rasmussen; Shigeki Watanabe (OFC, 2014)

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)

Demonstration of real-time FSK light labeling using DAC-based transmitter for 400G superchannel. - Goji Nakagawa; Shoichiro Oda; Setsuo Yoshida; Guoxiu Huang; Yasuhiko Aoki; Takeshi Hoshida; Taku Saito; Taketo Endo; Kousuke Komaki; Osamu Takeuchi; Hiroshi Onaka; Jens C. Rasmussen (ECOC, 2015)

Flexible grid network optimization for maximum spectral efficiency and reach. - Olga Vassilieva; Tomohiro Yamauchi; Shoichiro Oda; Inwoong Kim; Takeshi Hoshida; Yasuhiko Aoki; Jens C. Rasmussen; Motoyoshi Sekiya (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)

Frequency domain DSP based channel spacing monitor in denser Nyquist-WDM system. - Ying Zhao; Liang Dou; Zhenning Tao; Huihui Li; Taku Saito; Kousuke Komaki; Shoichiro Oda; Yasuhiko Aoki; Jens C. Rasmussen (ECOC, 2015)

Differential pilots aided in-band OSNR monitor with large nonlinear tolerance. - Liang Dou; Zhenning Tao; Ying Zhao; Shoichiro Oda; Yasuhiko Aoki; Takeshi Hoshida; Jens C. Rasmussen (OFC, 2015)

Experimental investigation on crosstalk of FSK supervisory signal in ROADM networks. - Guoxiu Huang; Goji Nakagawa; Shoichiro Oda; Kyosuke Sone; Setsuo Yoshida; Yasuhiko Aoki; Jens C. Rasmussen (OFC, 2015)

High-speed polarization shift keying lightpath labeling of 100 Gb/s DP-QPSK for programmable photonic networks. - Goji Nakagawa; Mark D. Feuer; Vitaly Mikhailov; Vinay A. Vaishampayan; Shoichiro Oda; Kyosuke Sone; Setsuo Yoshida; Yasuhiko Aoki; Jens C. Rasmussen (OFC, 2015)

An accurate nonlinear noise insensitive OSNR monitor. - Liang Dou; Tomohiro Yamauchi; Xiaofei Su; Zhenning Tao; Shoichiro Oda; Yasuhiko Aoki; Takeshi Hoshida; Jens C. Rasmussen (OFC, 2016)

Demonstration of an autonomous, software controlled living optical network that eliminates the need for pre-planning. - Shoichiro Oda; Masatake Miyabe; Setsuo Yoshida; Toru Katagiri; Yasuhiko Aoki; Jens C. Rasmussen; Martin Birk; Kathy Tse (OFC, 2016)

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)

Development of Evaluation Platform of AMCC Superimposition on CPRI Signal Transmission for Mobile Fronthaul Network. - Goji Nakagawa; Kyosuke Sone; Shoichiro Oda; Setsuo Yoshida; Yoshio Hirose; Motoyuki Takizawa; Takeshi Hoshida (ECOC, 2017)

Network Capacity Improvement by Quality of Transmission Estimator with Learning Process. - Shoichiro Oda; Martin Bouda; Olga Vassilieva; Yoshio Hirose; Takeshi Hoshida; Tadashi Ikeuchi (ECOC, 2017)

Remote Management and Control of WDM-PON System for Fronthaul in Cloud-Radio Access Networks. - Kyosuke Sone; Goji Nakagawa; Shoichiro Oda; Motoyuki Takizawa; Yoshio Hirose; Takeshi Hoshida (ECOC, 2017)

Accurate prediction of quality of transmission with dynamically configurable optical impairment model. - Martin Bouda; Shoichiro Oda; Olga Vassilieva; Masatake Miyabe; Setsuo Yoshida; Toru Katagiri; Yasuhiko Aoki; Takeshi Hoshida; Tadashi Ikeuchi (OFC, 2017)

Compact and low cost superimposition of AMCC with magneto-optic VOA. - Goji Nakagawa; Kyosuke Sone; Setsuo Yoshida; Shoichiro Oda; Motoyuki Takizawa; Tomoo Takahara; Yoshio Hirose; Takeshi Hoshida (OFC, 2017)

Reach extension with 32- and 64 GBaud single carrier vs. multi-carrier signals. - Olga Vassilieva; Inwoong Kim; Tomofumi Oyama; Shoichiro Oda; Hisao Nakashima; Takeshi Hoshida; Tadashi Ikeuchi (OFC, 2017)

Pilot based cross phase modulation power estimation. - Ying Zhao; Zhenning Tao; Shoichiro Oda; Yasuhiko Aoki; Takeshi Hoshida (OFC, 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)

Tone-Assisted Simultaneous Activation Protocol for Multiple ONUs in Point-to-point WDM Mobile Fronthaul. - Goji Nakagawa; Kyosuke Sone; Shoichiro Oda; Setsuo Yoshida; Yoshio Hirose; 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)

Spectrally Efficient and Highly Resilient Grouped Routing Network Enhanced with Optical Performance Monitoring. - Keisuke Kayano; Hiroshi Saito; Yojiro Mori; Hiroshi Hasegawa; Ken-ichi Sato; Shoichiro Oda; Setsuo Yoshida; Takeshi Hoshida (OFC, 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)

Multi-Vendor Interoperation of SFP+ Transceivers for CPRI Signal Transmission with Superimposed AMCC for Mobile Fronthaul. - Goji Nakagawa; Kyosuke Sone; Setsuo Yoshida; Shoichiro Oda; Yoshio Hirose; Takeshi Hoshida (OFC, 2018)

An Accurate Algorithm to Quantitatively Identify the Performance Degradation Caused by Linear Crosstalk. - Xiaofei Su; Yangyang Fan; Ke Zhang; Hao Chen 058; Zhenning Tao; Shoichiro Oda; Takeshi Hoshida (OFC, 2018)

Accurate Prediction of Quality of Transmission Based on a Dynamically Configurable Optical Impairment Model. - Martin Bouda; Shoichiro Oda; Olga Vassilieva; Masatake Miyabe; Setsuo Yoshida; Toru Katagiri; Yasuhiko Aoki; Takeshi Hoshida; Tadashi Ikeuchi (JOCN, 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)

A Demultiplexer Immune from Fabrication-Error Impairments as an Enabler of Compact High-Channel-Count (> 64 ch) Dense WDM Systems on Low-End Si PIC Platforms. - Tomoyuki Akiyama; Shoichiro Oda; Seok-Hwan Jeong; Yasuhiro Nakasha; Yu Tanaka; Takeshi Hoshida (OECC/PSC, 2019)

Advanced Data-Analytics-Based Fiber-Longitudinal Monitoring for Optical Transport Networks. - Takahito Tanimura; Setsuo Yoshida; Shoichiro Oda; Kazuyuki Tajima; Takeshi Hoshida (ECOC, 2020)

Advanced DSP for Monitoring and Mitigation in Optical Transport Networks. - Takeshi Hoshida; Takahito Tanimura; Shoichiro Oda; Setsuo Yoshida; Hisao Nakashima; Guoxiu Huang; Zhenning Tao (OFC, 2020)

Transmission-Quality-Aware Online Network Design and Provisioning Enabled by Optical Performance Monitoring. - Keisuke Kayano; Yojiro Mori; Hiroshi Hasegawa; Ken-ichi Sato; Shoichiro Oda; Setsuo Yoshida; Takeshi Hoshida (IEICE Trans. Commun., 2020)

Demonstration of Crosstalk-Free WDM Demultiplexing on Si Nanowire PIC Controlled by Si CMOS ASIC. - Tomoyuki Akiyama; Motoyuki Nishizawa; Akio Sugama; Yasuhiro Nakasha; Shinsuke Tanaka; Yu Tanaka; Shoichiro Oda; Takeshi Hoshida (OFC, 2021)

Simultaneous Monitoring of Frequency-dependent IQ Imbalances in a Dual-polarization IQ Modulator by using a Single Photodetector: A Phase Retrieval Approach. - Yuki Yoshida; Setsuo Yoshida; Shoichiro Oda; Takeshi Hoshida; Naokatsu Yamamoto (OFC, 2021)

Towards vendor-agnostic real-time optical network design with extended Kalman state estimation and recurrent neural network machine learning [Invited]. - Martin Bouda; Gautam Krishna; Joe Krystofik; Shoichiro Oda; Paparao Palacharla (JOCN, 2021)

Concept and implementation study of advanced DSP-based fiber-longitudinal optical power profile monitoring toward optical network tomography [Invited]. - Takahito Tanimura; Setsuo Yoshida; Kazuyuki Tajima; Shoichiro Oda; Takeshi Hoshida (JOCN, 2021)

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)

Nonlinear SNR Estimation based on Power Profile Estimation in Hybrid Raman-EDFA Link. - Inwoong Kim; Kyosuke Sone; Olga Vassilieva; Shoichiro Oda; Paparao Palacharla; Takeshi Hoshida (OFC, 2024)

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)

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)

Low-Complexity Digital Twinning of Optical I/Q Modulator by Direct-Detection with Widely Non-Linear Phase Retrieval. - Yuki Yoshida; Shoichiro Oda; Naokatsu Yamamoto; Takeshi Hoshida; Kouichi Akahane (OFC, 2025)