Error-Free 100Gbps PAM-4 Transmission over 100m Wideband Fiber using 850nm VCSELs. - Justin Lavrencik; Siddharth Varughese; Johan S. Gustavsson; Erik Haglund; Anders Larsson; Stephen E. Ralph (ECOC, 2017)

Polybinary Coding for Low Complexity High Speed Error-Free VCSEL-MMF Links. - Siddharth Varughese; Justin Lavrencik; Johan S. Gustavsson; Erik Haglund; Anders Larsson; Stephen E. Ralph (ECOC, 2017)

4λ × 100Gbps VCSEL PAM-4 transmission over 105m of wide band multimode fiber. - Justin Lavrencik; Siddharth Varughese; Varghese A. Thomas; Gary Landry; Yi Sun; Roman Shubochkin; Kasyapa Balemarthy; Jim Tatum; Stephen E. Ralph (OFC, 2017)

Experimentally benchmarked fiber propagation model for 50Gbps PAM-4 MMF links employing multimode VCSELs. - Alirio A. Melgar-Evangelista; Varghese A. Thomas; Justin Lavrencik; Siddharth Varughese; Stephen E. Ralph (OFC, 2017)

Blind Cyclostationarity-Based Format Classification for Coherent Links. - Jerrod S. Langston; Siddharth Varughese; Richard DeSalvo; Stephen E. Ralph (ECOC, 2018)

Power Efficient Modulation Formats for Error-Free VeSEL MMF Links. - Justin Lavrencik; Siddharth Varughese; Johan S. Gustavsson; Erik Haglund; Anders Larsson; Stephen E. Ralph (ECOC, 2018)

Error-Free 100Gbps PAM-4 Transmission Over 100m OM5 MMF using 1060nm VCSELs. - Justin Lavrencik; Ewa Simpanen; Siddharth Varughese; Alirio Melgar; Varghese A. Thomas; Johan S. Gustavsson; Wayne V. Sorin; Sagi Mathai; Mike Tan; Anders Larsson; Stephen E. Ralph (OFC, 2019)

Identification of Soft Failures in Optical Links using Low Complexity Anomaly Detection. - Siddharth Varughese; Daniel Lippiatt; Thomas Richter 004; Sorin Tibuleac; Stephen E. Ralph (OFC, 2019)

Convolutional Recurrent Machine Learning for OSNR and Launch Power Estimation: A Critical Assessment. - Hyung Joon Cho; Siddharth Varughese; Daniel Lippiatt; Stephen E. Ralph (OFC, 2020)

168Gbps PAM-4 Multimode Fiber Transmission through 50m using 28GHz 850nm Multimode VCSELs. - Justin Lavrencik; Siddharth Varughese; Nikolay Ledentsov Jr.; Lukasz Chorchos; Nikolay N. Ledentsov; Stephen E. Ralph (OFC, 2020)

Optical Interconnects using Single-Mode and Multi-Mode VCSEL and Multi-Mode Fiber. - Nikolay N. Ledentsov; V. A. Shchukin; Vladimir P. Kalosha; Nikolay Ledentsov Jr.; Lukasz Chorchos; Jaroslaw P. Turkiewicz; Urs Hecht; Patrick Kurth; Friedel Gerfers; Justin Lavrencik; Siddharth Varughese; Stephen E. Ralph (OFC, 2020)

Joint Linear and Nonlinear Noise Estimation of Optical Links by Exploiting Carrier Phase Recovery. - Daniel Lippiatt; Siddharth Varughese; Thomas Richter 004; Sorin Tibuleac; Stephen E. Ralph (OFC, 2020)

Accelerating TDECQ Assessments using Convolutional Neural Networks. - Siddharth Varughese; Daniel A. Garon; Alirio Melgar; Varghese A. Thomas; Pavel Zivny; Shane A. Hazzard; Stephen E. Ralph (OFC, 2020)

Low Complexity Soft Failure Detection and Identification in Optical Links using Adaptive Filter Coefficients. - Siddharth Varughese; Daniel Lippiatt; Thomas Richter 004; Sorin Tibuleac; Stephen E. Ralph (OFC, 2020)

Impairment Identification for PAM-4 Transceivers and Links Using Machine Learning. - Daniel Lippiatt; Alirio Melgar; Varghese A. Thomas; Siddharth Varughese; Pavel Zivny; Shane A. Hazzard; Stephen E. Ralph (OFC, 2021)

SDM Enabled Record Field Trial Achieving 300+ Tbps Trans-Atlantic Transmission Capacity. - Siddharth Varughese; Sumudu Edirisinghe; Marc Stephens; Buen Boyanov; Pierre Mertz (OFC, 2022)

Promising DSP Techniques to Increase Long Haul Transmission Capacity. - Domaniç Lavery; Siddharth Varughese; Carlo Condo; Mohammad Osman; Mehdi Torbatian; Sandy Thomson; Yuejian Wu; Robert Maher; Han Sun (OFC, 2023)

Subcarrier-Enabled Record Field Trial Demonstration in a Dispersion Uncompensated Ultra-Long Transpacific Cable. - Sumudu Edirisinghe; Siddharth Varughese; Domaniç Lavery; Pierre Mertz; Han Sun (OFC, 2024)

Tailoring Transceiver Designs for Subsea. - Siddharth Varughese; Domaniç Lavery; Pierre Mertz (OFC, 2024)

Trans-Atlantic Record Deployment Achieving 24 Tb/s Capacity Enabled Through Probabilistic Shaping and FEC Gain Sharing. - Siddharth Varughese; Domaniç Lavery; Marc Stephens; Han Sun; Pierre Mertz (OFC, 2025)

Spatially Disaggregated Approach to Cross-Channel Interference in Dispersion-Managed Optical Links. - Emanuele Virgillito; Rosario Ietro; Santosh C. Ramesh; Siddharth Varughese; Antonio Napoli; Sai Kishore Bhyri; Gabriele Galimberti; Walid Wakim; Vittorio Curri (OFC, 2025)