Dr. G. Thavasi Raja


  • B.E. (1998 - 2002) in ECE with First Class from MEPCO Schlenk Engineering College, Sivakasi affiliated to Madurai Kamaraj University, TN, India.
  • M.E. (2002 - 2004) in Comm. Systems with Distinction from Thiagarajar College of Engineering, Madurai affiliated to Anna University, TN, India.
  • Ph.D. (2012 - 2016) from Department of Electronics and Electrical Communication Engineering, Indian Institute of Technology, Kharagpur, India.


  • Associate Professor, Dept. of ECE, National Institute of Technology, Trichy - 620015, India (Sep. 2022 - Till date).
  • Assistant Professor (Grade I), Dept. of ECE, National Institute of Technology, Trichy - 620015, India (Mar. 2018 - Sep. 2022).
  • Research Fellow (On duty under AICTE-QIP scheme), Department of E&ECE, IIT, Kharagpur, India. (Jul. 2012 - Jul. 2015).
  • Assistant Professor (Grade II), Dept. of ECE, National Institute of Technology, Trichy - 620015, India (Jun. 2006 - Feb. 2018).
  • Lecturer, Dept. of ECE, SSN College of Engineering (SSN Institutions), Chennai - 603110, India (Sep. 2004 - May 2006).
  • Lecturer, Dept. of ECE, SRM Engineering College (SRM Institute), Chennai - 603203, India (Jun. 2004 - Aug. 2004).

Research Areas of Interest

  • Photonic Devices for Communications
  • Photonic Integrated Circuits for AI applications
  • Machine Learning for Design of Photonic Devices
  • Multi-purpose Photonic Integrated Circuits
  • Reconfigurable and Programmable Photonics
  • Fiber Optics & Photonic Waveguides
  • Optical & Fiber Optic Sensors


Awards / Fellowships / Research Projects / Honours

  • AICTE-QIP Ph.D. Fellowship (2012-2015) at IIT Kharagpur.
  • NITT Faculty Award for Sponsored Research Projects
  • Principal Investigator for Projects
  1. "Reconfigurable and Multifunctional Nanophotonic Interconnects for High-speed Communication" under Core Research Grant (2022-2025) funded by SERB, New Delhi. (Value: INR 25.10 lakhs) - Ongoing.
  2. "Highly-Compact Very Large Mode-Area Hybrid Multi-Trench Optical Fiber for High-Power Industrial Lasing Applications" under Core Research Grant (2017-2020) funded by SERB, New Delhi. (Value: INR 20.89 lakhs)  - Completed.
  •  Co-Principal Investigator for Projects 
  1. "Self-Energised UAV-Assisted Communicationns for 5G Wireless Networks" under  Scheme for Promotion of Academic and Research Collaboration (SPARC) funded by Minstry of Education, New Delhi.  (Value: INR 73.23 lakhs, Principal Investigator: Dr. P. Muthuchidambaranathan, Co-PIs: Dr. G. Lakshminarayanan, Dr. G. Thavasi Raja) - Ongoing.
  2. "Technology Development Proposals on Passive Components" under STIC-NITT cell funded by ISRO. (Value: INR 27.30 lakhs, Principal Investigator: Dr. R. Pandeeswari, Co-PIs: Dr. S. Deivalakshmi, Dr. S. S. Karthikeyan, Dr. G. Thavasi Raja) - Ongoing.

Supervision of Ph.D.

Ph.D. Awarded: 3 + 1

Ongoing: 4  

Sl. No.      Name of the Scholar              Category                                  Area of Research                                       Status                                                      

1.              Dr. N. Ayyanar                          Project (PT)                              Fiber Optic Devices                                     Completed (2017 - 2020)     

2.              Dr. D. Balaji                              Institute (FT)                             Wireless Digital Communication                  Completed (2016 - 2021)

3.              Dr. R. Rajasekar                      Institute (FT)                              Photonic Crystal Waveguides                     Completed (2019 - 2022)                               

4.              Mr. G. Girish Kumar                 NITT-Staff (PT)                          Communication Networks                            Comprehensive Exam Completed (2020 -     )

5.              Mr. C. Gunasekaran                 External - PT (IAF)                    Fiber Optic Devices                                    Coursework in progress (2022 -     )

6.              Ms. P. Agilandeswari                Project (FT)                               Photonic Devices                                        Coursework in progress (2023 -     )

7.              Ms. S. Geerthana                     External -  PT (On campus)      Photonic Devices                                        Coursework in progress (2023 -     )


1.              Dr. S. Radhakrishnan               Institute (FT)                             Photonic Waveguides                                 Completed (2017 - 2023)

Supervision of M.S. (By Research)

1.              Mr. C. Gunasekaran                  Part Time (IAF)                         Fiber Optic Devices                                    Completed (2017 - 2021)

Academic/Administrative/Other Responsibilities

Current Responsibilities:

  • Faculty In-charge, Photonics and Communication Research Laboratory & Digital Electronics Laboratory
  • Member, Department Project Evaluation Committee, M.Tech (VLSI Systems)
  • Verification Officer, B.Tech Admission (JoSAA, 2020 - 2023), NIT Trichy
  • PAC Chairman, I Year B.Tech. ECE (2023, 2024)


Past Responsibilities:

  • Coordinator, Department (U.G.) NBA Committee (2022 - 2023)
  • PAC Chairman, IV Year B.Tech. ECE (Jan. 2021, 2022, 2023)
  • Faculty Advisor, Sociology & Civics Students Club (2021 - 2023)
  • Warden, Zircon A, B, & C Hostels and Mega Mess - I (Jul. 2016 - Jan. 2020)
  • Member, Department M.S./Ph.D. Admission Committee (2016 - 2017, 2019 - 2022)
  • Member, Sophisticated Instrumentation Facility (SIF) Advisory Committee, Safety and Security Advisory Committee & Horticulture Advisory Committee (Jan. 2020 - Mar. 2023)
  • Stock Veriifcation Officer, Security Office (2020, 2021, 2022), NIT Trichy
  • Member, Convocation committee (2020, 2021, 2022)
  • Purchase Initiator, Procurement of TLP Laptops for ECE Faculties & Procurement and Installation of 500 LPH RO Water Plants for Boys and Ladies Hostels, 2018

Professional Service

  • Reviewer for DST-SERB Projects proposals
  • Academic Audit Expert for SRM Institute of Science and Technology, Vadapalani
  • Reviewer for various International and National journals (IEEE Sensors journal, IEEE Communication Letters, Elsevier Optical Fiber Technology and Optics Communications, Springer Optical & Quantum Electronics and Photonic Sensors, SPIE Optical Engineering, IETE Journal of Research)
  • Member, Doctoral Committee (DC), Anna University, Chennai & Deemed Universities 
  • Golden list of Reviewers for IETE Journal of Research, 2021
  • TPC Member, National Conference on Communications (NCC) 2018, 2020, IEEE Globecom 2022
  • Member, Inspection Committee, Centre for Affiliation, Anna University, Chennai
  • Handled UG level Therory courses for IIIT, Trichy

Guest Lectures Delivered/ Short Term Courses Organized 

  • Keynote speaker for 7th National Conference on Information and Communication Technology (NCICT-2022) conducted on 24th February, 2022 at Sri Sivasubramaniya Nadar College of Engineering (SSNCE), Chennai.
  • Delivered  lecture on "Photonic Devices for Communication, Sensing and Industrial Applications" in the webniar held on 28th October, 2021 organised by SPIE student chapter, IIT (ISM) Dhanbad.
  • Guest Speaker for Workshop on “Photonics” held during 28-29, June, 2021 organised by Department of ECE,  K.S.R.M. College of Engineering,  Kadapa in association with IEEE Photonics Society, Bangalore Chapter.
  • Guest lecture on 'Photonic Devices for Communications' in the webniar held on 31st May, 2021 organized by Dept. of ECE, Dr. Mahalingam College of Engineering and Technology, Pollachi.
  • Keynote speaker for the 'International Conference on Recent Trends in Automation, Signal Processing and Energy System (ICASE2020)' conducted during 19th – 20th June, 2020 at Kalasalingam Academy of Research and Education, Krishnankoil.
  • Resource Person for 'ATAL Sponsored Online Faculty Development Program on PHOTONICS' held from 08-02-2021 to 12-02-2021 at KKR & KSR Institute of Technology & Sciences, Guntur.
  • Guest lecture on 'Applications of Speciality Optical Fibers' in the webinar held on 26th June, 2020 organized by Dept. of ECE, Mount Zion College of Engineering and Technology, Pudukkottai.
  • Keynote address delivered in 'AICTE  Sponsored Faculty Development Programme on Research Challenges in Optical Networks, WDM Networks, Sensor Networks & Unparalleled Communication Speed in the Future: A Scalable Approach' held on 16th Nov, 2020 organized by Dept. of ECE, Ramachandra College of Engineering, Eluru.
  • Guest lecture on 'Photonic Integrated Circuits' in the webinar held on 25th May, 2020 at RMK College of Engineering and Technology, Thiruvallur.
  • Co-coordinator for Self-supported Pre-workshop on 'Machine learning, Deep learning and Computational Intelligence for Wireless Communication' held during 16th-20th September, 2019 in the Department of ECE at NIT, Trichy.
  • Coordinator for Self-supported Short Term course on 'CAD BASED MODELLING OF OPTICAL FIBERS AND PHOTONIC DEVICES FOR COMMUNICATION, SENSING, AND INDUSTRIAL APPLICATIONS'  held during 10th-14th June, 2019 in the Department of ECE at NIT, Trichy.
  • Coordinator for Self-supported Short Term course on 'Communication Techniques and Antenna Design'  held during 6th-10th Jan., 2020 in the Department of ECE at NIT, Trichy.

Professional Society Membership

  • Senior Member, IEEE (Communications & Photonics)
  • Member, OSI, OSA & SPIE
  • Life Member, IEI & IETE

Visits Abroad for Paper Presentation

  • IEEE Photonics Conference (IPC 2017), CREOL, University of Central Florida, Orlando, Florida, USA 
  • IEEE International Power Engineering Conference (IPEC 2007), NTU, Singapore

Contact Address

Dr. G. Thavasi Raja
Associate Professor
Department of Electronics and Communication Engineering
National Institute of Technology (NIT)
Tiruchirappalli - 620 015, Tamil Nadu
Room #118, Ground Floor, Silver Jubilee Building (SJB)
Ph. No. 0431-2503317
Mobile: 9443485798
E-mail: thavasi@nitt.edu, g.thavasiraja@gmail.com