Official Job Title
Adjunct Professor of Practice
Email Address
Technical Interest Group(s)
Biography

Varghese Antony Thomas is an Adjunct Professor of the Practice with the School of Electrical and Computer Engineering at Georgia Tech. He received his Bachelor of Engineering (Honors) degree in Electrical and Electronics Engineering from Birla Institute of Technology and Science, Pilani- K.K. Birla Goa Campus in 2010. He was awarded the British Government's Commonwealth Scholarship to pursue a Master of Science in Wireless Communications from University of Southampton, which he completed with distinction in 2011. He then pursued his Ph.D. studies in Electronics and Electrical Engineering from the University of Southampton on a Mayflower Scholarship and completed it in 2015. His thesis was titled "RF over Fiber for Optical/Wireless Integration". He then worked as a research faculty member in Georgia Tech from 2015 to 2022. 

He is currently a Senior DSP Engineer at Ciena Corporation and an Adjunct Professor of The Practice at School of Electrical and Computer Engineering (ECE) of Georgia Tech. He has published in photonics journals & conferences and holds 2 patents.

Research
  • Photonic Design
  • Wireless Design
  • Digital Signal Processing
  • Network design
  • System and Device Modelling
Distinctions & Awards
  • Commonwealth Scholarship of the British Government
  • Mayflower Scholarship of the University of Southampton
  • Georgia Tech’s Research Faculty Teaching Fellow (2022)
  • 2nd Best Poster Award — IEEE Photonics Conference (2018)
  • Bronze Medal — Obtained third position (bracketed) amongst all students of Integrated First Degree Programs held at BITS Pilani- K.K. Birla Goa Campus
Publications

V. A. Thomas, M. El-Hajjar and L. Hanzo, "Performance Improvement and Cost Reduction Techniques for 
Radio over Fiber Communications," IEEE Communications Surveys and Tutorials, vol. 17, no. 2, pp. 627-
670, second quarter 2015.
 
V. A. Thomas, M. El-Hajjar and L. Hanzo, "Millimeter-Wave Radio over Fiber Optical Upconversion
Techniques relying on Link Non-Linearity," IEEE Communications Surveys and Tutorials, vol. 18, no. 1,
pp. 29-53, first quarter 2016.

V.A. Thomas, A. Melgar, S. Varughese, D. Garon, K. Tan, S. Hazzard, M. Agoston, P. Zivny and S.E. 
Ralph, “TDECQ Sensitivity to Algorithmic Implementation and Noise Characterization”, 2020 Optical 
Fiber Communications Conference and Exhibition (OFC), 2020, pp. 1-3

C. G. Bottenfield, V. A. Thomas and Stephen E Ralph, “DC Kerr Effect and Limits for Silicon Photonic 
Modulators”, IEEE/OSA Conference on Lasers and Electro-Optics (CLEO), San Jose, CA, 2019

S. Varughese, J. Langston, V. A. Thomas, S. Tibuleac and S. E. Ralph, "Frequency Dependent ENoB 
Requirements for M-QAM Optical Links: An Analysis using an Improved Digital to Analog Converter 
Model," IEEE/OSA Journal of Lightwave Technology, vol. 36, no. 18, pp. 4082-4089, September 2018

J. Lavrencik, V. A. Thomas, S. Varughese and S. E. Ralph, "DSP-Enabled 100 Gb/s PAM-4 VCSEL MMF 
Links," IEEE/OSA Journal of Lightwave Technology, vol. 35, no. 15, pp. 3189-3196, August 2017

 

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