Theoretical and experimental study on high spectral efficiency coherent optical OFDM systems. - Xi Chen 018 (2012)

Characterization of dynamic evolution of channel matrix in two-mode fibers. - Xi Chen 018; Jiayuan He 002; An Li; Jia Ye; William Shieh (OFC/NFOEC, 2013)

Nonlinear tolerance of few-mode fiber based transmission systems with random mode coupling. - An Li; Xi Chen 018; William Shieh (OFC/NFOEC, 2013)

Low-loss fused mode coupler for few-mode transmission. - An Li; Jia Ye; Xi Chen 018; William Shieh (OFC/NFOEC, 2013)

Performance improvement in radio-over-fiber transmission using pre-distorted double-sideband signals. - Jia Ye; An Li; Xi Chen 018; Lianshan Yan; William Shieh (OFC/NFOEC, 2013)

102.4-Gb/s single-polarization direct-detection reception using signal carrier interleaved optical OFDM. - Di Che; Xi Chen 018; Jiayuan He 002; An Li; William Shieh (OFC, 2014)

160-Gb/s stokes vector direct detection for short reach optical communication. - Di Che; An Li; Xi Chen 018; Qian Hu; Yifei Wang; William Shieh (OFC, 2014)

Demonstration of software-defined multiband OFDM with low-complexity phase noise compensation. - Xi Chen 018; Jiayuan He 002; Di Che; William Shieh (OFC, 2014)

High-dimensional Stokes-space analysis for monitoring fast change of mode dispersion in few-mode fibers. - Qian Hu; Xi Chen 018; An Li; William Shieh (OFC, 2014)

Delayed self-homodyne detection for OFDM-PON downstream. - Rong Hu; Tao Gui; Zhaohui Li; Haibo Li; Chao Li; Cai Li; Xiao Xiao; Qi Yang 001; Shaohua Yu; Xi Chen 018; William Shieh (OFC, 2014)

Implementing simplified stokes vector receiver for phase diverse direct detection. - Di Che; An Li; Qian Hu; Xi Chen 018; William Shieh (OFC, 2015)

Experimental quantification of implementation penalties from limited ADC resolution for Nyquist shaped higher-order QAM. - Xi Chen 018; Sethumadhavan Chandrasekhar; Sebastian Randel; Wenjun Gu; Peter Winzer 001 (OFC, 2016)

All-electronic 100-GHz bandwidth digital-to-analog converter generating PAM signals up to 190-GBaud. - Xi Chen 018; S. Chandrasekhar 001; Sebastian Randel; Gregory Raybon; Andrew Adamiecki; P. Pupalaikis; Peter Winzer 001 (OFC, 2016)

4 × 240 Gb/s Dense WDM and PDM Kramers-Kronig Detection with 125-km SSMF Transmission. - Xi Chen 018; Cristian Antonelli; S. Chandrasekhar 001; Gregory Raybon; Antonio Mecozzi; Mark Shtaif; Peter J. Winzer (ECOC, 2017)

High Spectral Efficiency Transmission with Probabilistic Shaping. - Junho Cho; S. Chandrasekhar 001; Xi Chen 018; Gregory Raybon; Peter J. Winzer (ECOC, 2017)

218-Gb/s single-wavelength, single-polarization, single-photodiode transmission over 125-km of standard singlemode fiber using Kramers-Kronig detection. - Xi Chen 018; Cristian Antonelli; S. Chandrasekhar 001; Gregory Raybon; Jeffrey H. Sinsky; Antonio Mecozzi; Mark Shtaif; Peter J. Winzer (OFC, 2017)

Fast DAC solutions for future high symbol rate systems. - Xi Chen 018; S. Chandrasekhar 001; P. Pupalaikis; Peter J. Winzer (OFC, 2017)

Characterization of electro-optic bandwidth of ultra-high speed modulators. - Xi Chen 018; S. Chandrasekhar 001; Gregory Raybon; Po Dong; Borui Li; Andrew Adamiecki; Peter Winzer 001 (OFC, 2017)

Trans-Atlantic field trial using probabilistically shaped 64-QAM at high spectral efficiencies and single-carrier real-time 250-Gb/s 16-QAM. - Junho Cho; Xi Chen 018; S. Chandrasekhar 001; Gregory Raybon; Ronen Dar; Laurent Schmalen; Ellsworth C. Burrows; Andrew Adamiecki; Stephen Corteselli; Yin Pan; Diego Correa; Bradley McKay; et al. (OFC, 2017)

Impact of O/E Front-End Frequency Response on Kramers-Kronig Receivers and its Compensation. - Xi Chen 018; S. Chandrasekhar 001; Samuel Olsson; Andrew Adamiecki; Peter J. Winzer (ECOC, 2018)

Self-Coherent Systems for Short Reach Transmission. - Xi Chen 018; S. Chandrasekhar 001; Peter J. Winzer (ECOC, 2018)

Generation and Intradyne Detection of Single-Wavelength 1.61-Tb/s Using an All-Electronic Digital Band Interleaved Transmitter. - Xi Chen 018; Sethumadhavan Chandrasekhar; Gregory Raybon; Samuel Olsson; Junho Cho; Andrew Adamiecki; Peter J. Winzer (OFC, 2018)

Frequency-Resolved Measurements of Signal, Noise, and Signal-Signal Beat Interference in Self-Coherent Direct-Detection Receivers. - Xi Chen 018; Sethumadhavan Chandrasekhar; Peter Winzer 001 (OFC, 2018)

The Kramers-Kronig Receiver. - Antonio Mecozzi; Cristian Antonelli; Mark Shtaif; Xi Chen 018; S. Chandrasekhar 001; Peter J. Winzer (OFC, 2018)

Record-High 17.3-bit/s/Hz Spectral Efficiency Transmission over 50 km Using Probabilistically Shaped PDM 4096-QAM. - Samuel L. I. Olsson; Junho Cho; Sethumadhavan Chandrasekhar; Xi Chen 018; Ellsworth C. Burrows; Peter J. Winzer (OFC, 2018)

180-GBaud All-ETDM Single-Carrier Polarization Multiplexed QPSK Transmission over 4480 km. - Gregory Raybon; Andrew Adamiecki; Junho Cho; Filipe Jorge; Agnieszka Konczykowska; Muriel Riet; Bernadette Duval; Jean-Yves Dupuy; Nicolas K. Fontaine; Peter J. Winzer; Sethumadhavan Chandrasekhar; Xi Chen 018 (OFC, 2018)

Ultra-High Bandwidth Integrated Lithium Niobate Modulators with Record-Low Vπ. - Mian Zhang; Cheng Wang; Xi Chen 018; Maxime Bertrand; Amirhassan Shams-Ansari; Sethumadhavan Chandrasekhar; Peter Winzer 001; Marko Loncar (OFC, 2018)

Single-Channel Direct Detection Reception Beyond 1 Tb/s. - Di Che; S. Chandrasekhar 001; Xi Chen 018; Gregory Raybon; Peter J. Winzer; Chuanbowen Sun; William Shieh (OFC, 2019)

Single-Wavelength and Single-Photodiode Entropy-Loaded 554-Gb/s Transmission Over 22-km SMF. - Xi Chen 018; Sethumadhavan Chandrasekhar; Junho Cho; Peter Winzer 001 (OFC, 2019)

Single-Wavelength and Single-Photodiode 700 Gb/s Entropy-Loaded PS-256-QAM and 200-GBaud PS-PAM-16 Transmission over 10-km SMF. - Xi Chen 018; Junho Cho; Gregory Raybon; Di Che; K. W. Kim; Ellsworth Burrows; Prashanta Kharel; Christian Reimer; Kevin Luke; Lingyan He; Mian Zhang (ECOC, 2020)

Experimental Quantification of Implementation Penalties from Laser Phase Noise for Ultra-High-Order QAM Signals. - Xi Chen 018; Junho Cho; Di Che (ECOC, 2020)

On Small Multi-Dimensional Constellations For Nonlinear Optical Fiber Communications. - Junho Cho; Xi Chen 018 (ECOC, 2020)

Increased Reach of Long-Haul Transmission using a Constant-Power 4D Format Designed Using Neural Networks. - René-Jean Essiambre; Roland Ryf; Murali S. Kodialam; Bin Chen 006; Mikael Mazur; Juan I. Bonetti; Riccardo Veronese; Hanzi Huang; Ankit Gupta 008; Fayçal Aït Aoudia; Ellsworth C. Burrows; Diego F. Grosz; et al. (ECOC, 2020)

Direct Modulation of a 54-GHz Distributed Bragg Reflector Laser with 100-GBaud PAM-4 and 80-GBaud PAM-8. - Di Che; Yasuhiro Matsui; Richard Schatz; Roberto Rodes; Ferdous Khan; Martin Kwakernaak; Tsurugi Sudo; S. Chandrasekhar 001; Junho Cho; Xi Chen 018; Peter J. Winzer (OFC, 2020)

First Transmission of a 12D Format Across Three Coupled Spatial Modes of a 3-Core Coupled-Core Fiber at 4 bits/s/Hz. - René-Jean Essiambre; Roland Ryf; Sjoerd van der Heide; Juan I. Bonetti; Hanzi Huang; Murali S. Kodialam; Francisco Javier García Gómez; Ellsworth C. Burrows; Juan Carlos Alvarado-Zacarias; Rodrigo Amezcua Correa; Xi Chen 018; Nicolas K. Fontaine; et al. (OFC, 2020)

Experimental Demonstration of Widely Tunable Rate/Reach Adaptation from 80 km to 12, 000 km using Probabilistic Constellation Shaping. - Joan M. Gené; Xi Chen 018; Junho Cho; Sethumadhavan Chandrasekhar; Peter J. Winzer (OFC, 2020)

Simple self-optimization of WDM networks based on probabilistic constellation shaping [Invited]. - Thierry Zami; Bruno Lavigne; Ivan Fernandez de Jauregui Ruiz; Marco Bertolini; Yuan-Hua Claire Kao; Oriol Bertran-Pardo; Mathieu Lefrançois; Florian Pulka; Sethumadhavan Chandrasekhar; Junho Cho; Xi Chen 018; Di Che; et al. (JOCN, 2020)

Faster-Than-Nyquist Signaling up to 300-GBd PAM-4 and 570-GBd OOK Suitable for Co-Packaged Optics. - Di Che; Xi Chen 018 (ECOC, 2021)

2 Tb/s Single-ended Coherent Receiver. - Son Thai Le; Vahid Aref; Xi Chen 018 (ECOC, 2021)

Achievable Rate Comparison between Probabilistically-Shaped Single-Carrier and Entropy-Loaded Multi-Carrier Signaling in a Bandwidth-Limited 1-Tb/s Coherent System. - Di Che; Xi Chen 018 (OFC, 2021)

Direct-Detection Based Frequency-Resolved I/Q Imbalance Calibration for Coherent Optical Transmitters. - Xi Chen 018; Di Che (OFC, 2021)

Transmission of 200-GBaud PDM Probabilistically Shaped 64-QAM Signals Modulated via a 100-GHz Thin-film LiNbO3 I/Q Modulator. - Xi Chen 018; Gregory Raybon; Di Che; Junho Cho; K. W. Kim (OFC, 2021)

882 Gbps Transmission over 100 km of SSMF using a Self-Calibrated Single-ended Coherent Receiver. - Son Thai Le; Vahid Aref; Junho Cho; Xi Chen 018; Di Che (OFC, 2021)

Demonstration of 120-GBaud 16-QAM Driver-less Coherent Transmitter with 80-km SSMF Transmission. - Xi Chen 018; Prashanta Kharel; Gregory Raybon; Di Che; Christian Reimer; Kevin Luke; Mian Zhang (OFC, 2022)

Surface Normal Electro-Absorption Modulators as Colorless Upstream Transmitters in a WDM Passive Optical Network. - Patrick Iannone; Stefano Grillanda; Xi Chen 018; Ting-Chen Hu; Nagesh Basavanhally; Alaric Tate; Rose Kopf; Mark Cappuzzo; Yee L. Low; Mark P. Earnshaw; David T. Neilson (OFC, 2022)

Challenges in Estimating the Information Capacity of the Fiber-Optic Channel. - Mark Shtaif; Cristian Antonelli; Antonio Mecozzi; Xi Chen 018 (Proc. IEEE, 2022)

First Demonstration of Erbium-Doped Waveguide Amplifier Enabled Multi-Tb/s (16×1.6T) Coherent Transmission. - Di Che; Stefano Grillanda; Yang Liu; Zheru Qiu; Xinru Ji; Gregory Raybon; Xi Chen 018; Kwangwoong Kim; Tobias J. Kippenberg; Andrea Blanco Redondo (OFC, 2023)

First Real-time Demonstration of 200G TFDMA Coherent PON using Ultra-simple ONUs. - Zhenping Xing; Kuo Zhang; Xi Chen 018; Qiguang Feng; Keshuang Zheng; Yijia Zhao; Zhen Dong; Ji Zhou 002; Tao Gui; Zhicheng Ye; Liangchuan Li (OFC, 2023)

Flexible Coherent Optical Access: Architectures, Algorithms, and Demonstrations. - Ji Zhou 002; Zhenping Xing; Haide Wang; Kuo Zhang; Xi Chen 018; Qiguang Feng; Keshuang Zheng; Yijia Zhao; Zhen Dong; Tao Gui; Zhicheng Ye; Liangchuan Li (CoRR, 2023)

467 Gbit/s Net Bitrate IM/DD Transmission Using 176 GBd PAM-8 Enabled by SiGe AMUX with Excellent Linearity. - Qian Hu; Tobias Tannert; Markus Grözing; Gregory Raybon; Robert Borkowski; Fred Buchali; Xi Chen 018; Patrick Iannone; Georg Rademacher; Roland Ryf (OFC, 2024)

An Optimization Method for Probabilistic Constellation Shaping in Peak-Power Constraint Systems in the Presence of Peak Enhancement Effects. - Basak Ozaydin; Xi Chen 018; Di Che (OFC, 2024)

The Information Capacity of the Fiber-Optic Channel: Bounds and prospects. - Mark Shtaif; Cristian Antonelli; Antonio Mecozzi; Xi Chen 018 (OFC, 2024)