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Dive into the research topics where Siddharth Varughese is active.

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Featured researches published by Siddharth Varughese.


2017 IEEE Avionics and Vehicle Fiber-Optics and Photonics Conference (AVFOP) | 2017

Optical signal reconstruction using transmit-side DSP

Jerrod Langston; Siddharth Varughese; Richard DeSalvo; Stephen E. Ralph

We present a method for linear impairment emulation of optical signals using transmit-side DSP to enable the generation of realistic stressed waveforms and thus the testing of receivers without the network. We experimentally demonstrate CD and phase noise emulation.


Journal of Lightwave Technology | 2017

DSP-Enabled 100 Gb/s PAM-4 VCSEL MMF Links

Justin Lavrencik; Varghese A. Thomas; Siddharth Varughese; Stephen E. Ralph


Journal of Lightwave Technology | 2018

Scaling VCSEL-MMF Links to 1 Tb/s Using Short Wavelength Division Multiplexing

Justin Lavrencik; Siddharth Varughese; Varghese A. Thomas; Stephen E. Ralph


Journal of Lightwave Technology | 2018

Frequency Dependent ENoB Requirements for M-QAM Optical Links: An Analysis Using an Improved Digital to Analog Converter Model

Siddharth Varughese; Jerrod Langston; Varghese A. Thomas; Sorin Tibuleac; Stephen E. Ralph


optical fiber communication conference | 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


optical fiber communication conference | 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 A. Tatum; Stephen E. Ralph


ieee photonics conference | 2017

Blind polarization identification and demultiplexing using statistical learning

Siddharth Varughese; Jerrod Langston; Stephen E. Ralph; Richard DeSalvo


european conference on optical communication | 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


european conference on optical communication | 2017

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


Optical Fiber Technology | 2017

Mitigation of time-varying distortions in Nyquist-WDM systems using machine learning

Jhon James Granada Torres; Siddharth Varughese; Varghese A. Thomas; Andrea Chiuchiarelli; Stephen E. Ralph; Ana María Cárdenas Soto; Neil Guerrero González

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Stephen E. Ralph

Georgia Institute of Technology

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Varghese A. Thomas

Georgia Institute of Technology

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Justin Lavrencik

Georgia Institute of Technology

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Jerrod Langston

Georgia Institute of Technology

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Kasyapa Balemarthy

Georgia Institute of Technology

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Anders Larsson

Chalmers University of Technology

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