200G system with PDM-16QAM: Performance evaluation and trade-offs. - Siddharth J. Varughese; Varughese Mathew; Smaranika Swain; Deepa Venkitesh; Ravinder David Koilpillai (NCC, 2015)

TDECQ Sensitivity to Algorithmic Implementation and Noise Characterization. - Varghese A. Thomas; Alirio Melgar; Siddharth J. Varughese; Daniel Garon; Kan Tan; Shane A. Hazzard; Maria Agoston; Pavel Zivny; Stephen E. Ralph (OFC, 2020)