Terahertz Photonics Laboratory

Indian Institute of Technology Ropar

Principal Investigator

Gagan Kumar

Dr. Gagan Kumar

Professor
Department of Physics, IIT Ropar, Punjab, India

Ph.D. (2008) Indian Institute of Technology Delhi, New Delhi, India

Phone: 01881-232485

Email: gk@iitrpr.ac.in

Address: Room No: B-305, Super Academic Block, 3rd floor, Department of Physics, IIT Ropar, Punjab, India 140001

Orcid ID: 0000-0001-5867-0670

Researcher ID: E-3140-2013

Scopus Author ID: 55553625600

Google Scholar, ResearchGate

Work Experience

  • Professor, Department of Physics, IIT Ropar, Punjab, India (August 2025 - Present)
  • Professor, Department of Physics, IIT Guwahati, Assam, India (May, 2023 - August 2025)
  • Associate Professor, Department of Physics, IIT Guwahati, Assam, India (March 2018 - May 2023)
  • Assistant Professor, Department of Physics, IIT Guwahati, Assam, India (October 2013 - March 2018)
  • Research Associate, University of Maryland, College Park, USA (September 2010 - September 2013)
  • Research Associate, University of Utah, Salt Lake City, USA (September 2008 - September 2010)
  • Project Scientist, Department of Physics, IIT Delhi, New Delhi, India (September 2008 - September 2008)

    • Group Members

    Mr. Pradeep Kumar

    Mr. Pradeep Kumar

    PhD Student
    Research Interest: Terahertz Metamateials

    Email: pradeep.25phz0036@iitrpr.ac.in

    Ms. Tanuja

    Ms. Tanuja

    PhD Student
    Research Interest: Terahertz metamateials

    Email: tanuja.25phz0031@iitrpr.ac.in

    Mr. Chandan Kumar

    Mr. Chandan Kumar

    PhD Student
    Research Interest: C-Band Optical Devices

    Email: chandan.phy@iitg.ac.in

    Rohith

    Mr. Rohith K M

    PhD Student
    Research Interest: Topological photonics
    Google Scholar

    Email: m.rohith@iitg.ac.in

    Mr. Lavi Kumar Vaswani

    Mr. Lavi Kumar Vaswani

    PhD Student
    Research Interest: Exploring Tunable EIT effect in Terahertz Metamaterials

    Email: lavivaswani37@gmail.com

    Ms. Anshul Bhardwaj

    Mr. Anshul Bhardwaj

    PhD Student
    Research Interest: Meta-Waveguide, PT-Symmetric Metasurface
    Google Scholar

    Alumni Ph.D. Students

    Dr. Arindom Phukan

    Dr. Bhairov Kumar Bhowmik

    Year of Completetion: 2025
    Current position: Postdoc at Tempere University, Finland
    Google Scholar
    Dr. Arindom Phukan

    Dr. Bhagwat Singh Chouhan

    Year of Completetion: 2025
    Current position: Postdoc at INRS, Montreal, QC, Canada
    Google Scholar
    Ms. Angana Bhattacharya

    Dr. Angana Bhattacharya

    Year of Completetion: 2023
    Current position: Ludwig Maximilian University of Munich, Germany.
    Google Scholar
    Dhriti Maurya

    Dr. Dhriti Maurya

    Year of Completetion: 2022
    Current position: National Institute of Standards & Technology, Maryland, U.S.A.
    Google Scholar
    Rakesh Sarkar

    Dr. Rakesh Sarkar

    Year of Completetion: 2022
    Current position : Postdoctoral Researcher at University of St Andrews, Scotland
    Google Scholar
    S Jagan Mohan Rao

    Dr. S Jagan Mohan Rao

    Year of Completetion: 2019
    Current position : Postdoctoral Researcher at Hebrew University of Jerusalem, Israel
    Maidul Islam

    Dr. Maidul Islam

    Year of Completetion: 2018
    Current position : Assistant professor, Royal Global University, Guwahati, Assam
    Koijam Monika

    Dr. Koijam Monika

    Year of Completetion: 2019
    Current position : Post Doctoral Researcher, Institut d'Electronique, de Microelectronique et de Nanotechnologie (IEMN), UMR-CNRS 8520, France

    Alumni Research Associate

    Dr. Arindom Phukan

    Dr. Arindom Phukan

    Research Associate in 2023
    Post Doctoral Research Scientist, HILASE, Institute of Physics, Czech Republic Google Scholar

    Project Students

    • Bishnu Mohanta (Project Student, Feb-June 2024)
    • Soumyadeep Ray (Project student, Aug - Dec, 2023)
    • Bhumidhar Barman (Project student, April - Aug, 2023)
    • Kulkarni Pratham Shridhar (B.tech project student, 2022-2023)
    • Mr. Sanjay kumar (M.Sc. project student, 2022-2023)
    • Naveen Kumar (B.tech project student, Jan. – May 2021)
    • Mr. Keyurkumar Rajeshbhai Bodar (M.Sc. project student, May 2021-April 2022)
    • Vinod Kumar Jyani (M.Sc project student, 2021)
    • Ms. Kajal Sharma (M.Sc. project student, May 2021-April 2022)
    • Mr. Shivam Rajguru (B.tech project student, 2020-2021)
    • Mr. Shailesh Ohlyan (M.Sc. project student, Jan. - May 2020)
    • Mr. Umesh Kumar Saini (Jan. 2020-May 2020, IIT Guwahati)
    • Mr. Himanshu (B.tech project student, Aug-Nov. 2019)
    • Mr. Adarsh Bhargav (B.tech project student, May 2019- May 2020)
    • Mr. Raiful Islam (M.Sc. project student, Jan.-May 2019)
    • Mr. Mashhood NK (M.Sc. project student, Sept. 2018-April 2019)
    • Mr. Sujay Vijay Jadhav (B.tech project student, July 2017-April 2018)
    • Mr. Nipon Deka (B.S. student, Gauhati University, January-May 2017)
    • Navin Kumar Verma ( June 2016 - April 2017)
    • P. Shravan Kumar ( June 2015 - April 2016)
    • Mr. Muralidharan Gopalakrishnan (January 2015--April-2015)
    • Ms. Ananya Patra (B. Tech. Project 2014-15)
    • Ms. Aparajita Sinha (June 2014-April-2015)

    Internship Students

    • Mr. Gauranga Kumar Dutta, Integrated M.Sc. student, Tezpur University, June-July 2024
    • Mr. Kshitij Goyal, Integrated M.Sc. student, NISER Bhubaneswar, June-July 2024
    • Mr. Fayaz Uz Zaman, M.Sc. student, NIT Rourkela, 16 May-10 July 2024
    • Mr. Mukul Tigala, M.Sc. student, NIT Rourkela, 14 May-8 July 2024
    • Mr. Bhavya, M.Sc. student, IIT Mandi, Dec 2023-Jan 2024
    • Ms. Haina Bhawnani, B.Tech student, Birla Institute of Technology, Jaipur. March-10 April, 2023
    • Mr. Rajesh Kumar, M.Sc. Physics student, Amity University, Noida. June 21-July 20, 2022
    • Mr. Om Prakash Sahu, M.Sc. Physics student, Veer Surendra Sai University of Technology, Burla, Sambalpur. May-June, 2019
    • Mr. Krishnendu Roy, M.Sc. Physics student, NIT Warangal, From June, 2019
    • Mr. Abhay Singh (6th Semester, M. Tech. in Energy Engineering, Central University)
    • Mr. Nupur (Sophomore B. Tech, Electronics and Communication student) from St. Jai Prakash Mukund Lal Institute of Engg. And Tech., Radaur, May-July, 2018
    • Mr. Raiful Islam (M.Sc. 2nd year) from Amity University, Noida, UP. June-July, 2018
    • Mr. Lakshay Gautam (Sophomore B. Tech, Engg. Physics student), DTU Delhi June-July 2017
    • Mr. Alankrit Tomar (Sophomore B. Tech, Engg. Physics student), DTU Delhi, June-July 2017
    • Mr. Nipon Deka (B.S. student from Gauhati University, Guwahati) - since March 2016
    • Mr. Saurav Dasgupta (undergraduate student at Cotton College, Guwahati); July 2014
    • Mr. Naval Sharma, Delhi Technical University (DTU), Delhi, Nov.-Dec 2019
    • Mr. Saurav Dasgupta (undergraduate student at Cotton College, Guwahati); July 2014

    Collaborations

    • Prof. Shriganesh Prabhu
      • Department of Condensed Matter Physics & Materials Science, TIFR Mumbai
    • Dr. Pardeep Duhan
      • (Assistant Professor, Deaprtment of Electrical engineering, IIT Ropar)
    • Dr. Debabrata Sikdar
      • (Associate Professor, Deaprtment of Electrical engineering, IIT Guwahati)
    • Dr. Anuraj Panwar
      • (Associate Professor, Department of Physics and Material Science, JIIT Noida)
    • Prof. Thomas E. Murphy
      • (Professor, Department of Electrical & Computer Engineering, University of Maryland, USA)
    • Prof. Tho Nuygen
      • (Associate Professor, University of Georgia, Atlanta, USA)
    • Dr. Prashant K. Sarswat
      • (Assistant Professor, Purdue University Northwest, Indiana, USA)
    • Dr. Sukhdeep Kaur
      • (Associate Professor, Guru Nanak Dev University, Amritsar)
    • Dr. Amir Ahmad
      • (Professor, College of Information Technology, United Arab Emirates University, UAE)