Sikdar Nanophotonics and Metamaterial Research Group

Indian Institute of Technology Guwahati

Department of Electronics and Electrical Engineering

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Our research group led by Dr. Debabrata Sikdar is dedicated to exploring and designing novel artificial material composites or metamaterials and metadevices that exhibit extraordinary ability to manipulate light or electromagnetic waves in general at the nanoscale. We are designing many novel techniques in theory, modeling and simulation of light interaction with guided and scattering media, and new tunable metadevices.

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💼 What's New..

  • Best Paper awarded to Mr. Jegyasu Gupta for paper entitled "Boosting Performance of 1.5T MRI using Switchable Metasurface Wraps Composed of Interconnected Rectangular Windings" at the International Conference of the Guwahati Subsection (GCON 2025) at Itanagar, Arunachal Pradesh.
  • Internships, JRF posts are open for the ongoing 6G project.
  • Our research group has been awarded a prestigious project under the Bharat 6G initiative, funded by the Department of Telecommunications, Government of India, to advance next-generation wireless communication technologies
  • Dr. Debabrata Sikdar has been selected as one of the Emerging Leaders 2023 from the young researchers across the globe nominated by the prestigious Journal of Physics: Condensed Matter from IOP Publishing
  • PhD Openings in our group. Interested students can apply.
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Recent Icon Recent Highlights: Latest updates from our research group

Scholarly Resources
Publications 143
Patents 6
2025

Best Paper awarded to J. Gupta, A. B. Dey, T. Bhowmik, R. Bhattacharjee, S. Kanagaraj, and D. Sikdar for paper entitled "Boosting Performance of 1.5T MRI using Switchable Metasurface Wraps Composed of Interconnected Rectangular Windings" at the International Conference of the Guwahati Subsection (GCON 2025) at Itanagar, Arunachal Pradesh. Read more

Research paper published in Advanced Engineering Materials with the title "Flexible and Wearable Metasurfaces of Spiral Quartet Arrays for boosting SNR of 1.5T Magnetic Resonance Imaging". Read more

FiMTP-2025 (Frontiers in Metasurfaces & Terahertz Photonics) workshop was held successfully at the Department of Physics, IIT Guwahati Visit the gallery section for more information

A workshop on "Modeling of Advanced Display Technologies using COMSOL Multiphysics" was successfully conducted by our group at the Department of Electronics and Electrical Engineering, IIT Guwahati. Visit the gallery section for more information

2024

Our first experimental research work by Jegyasu Gupta et al. (using in-house clinical MRI mimicking laboratory setup) on Improving Signal-to-Noise Ratio of 1.5T MRI Scans using High-Q Resonators based on Coupled Octa-spirals is accepted in the Advanced Theory and Simulations Journal (part of the prestigious Wiley Advanced portfolio). View Paper

Dr. Debabrata Sikdar has been selected as one of the Emerging Leaders 2023 from the young researchers across the globe nominated by the prestigious Journal of Physics: Condensed Matter from IOP Publishing. More Info

Our recent research work on Improving SNR of 1.5T MRI using Flexible Magnetic Metasurfaces based on Rectangular Windings has been accepted in the esteemed International Conference on Numerical Simulation on Optoelectronic Devices (NUSOD) 2024. More Info

Our recent research work on Magneto-active Metamaterials for 1.5T MRI: An Intelligent Approach to Boost the Signal-to-Noise Ratio of a Scan has been accepted in the esteemed International Conference on Numerical Simulation on Optoelectronic Devices (NUSOD) 2024. More Info

2023

Our recent research work on A METASURFACE-INSPIRED FLEXIBLE STRUCTURE FOR BOOSTING THE SIGNAL-TO-NOISE RATIO (SNR) IN 1.5TMRI SCANS has been accepted as an Indian patent, published at the IPO website vide The Patent Office Journal No. 51/2023.

Our recent research work on A MAGNETIC METAMATERIAL ADD-ON FOR IMPROVING THE SIGNAL-TO-NOISE RATIO OF MAGNETIC RESONANCE IMAGING has been accepted as an Indian patent, published at the IPO website vide The Patent Office Journal No. 28/2023.

Mr. Dibaskar has been awarded Prime Minister Research Fellowship (PMRF) in October 2023.

Our recent research work on Resonating sub-wavelength metallic wires based pads for boosting signal-to-noise ratio of birdcage head coils at 1.5T MRI is published in the Results in Physics Journal.

Our recent research work on Enhancing Signal-to-Noise Ratio of Clinical 1.5T MRI using Metasurface-inspired Flexible Wraps is published in the Applied Physics A: Materials Science & Processing Journal.

Mr. Tanmay Bhowmik was awarded with Best Oral presentation award in Photonics 2023 Conference, IISc Bengaluru, India.

Mr. Jegyasu was awarded with Best Paper Award in International Electrical Engineering Congress (iEECON2023).

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PhD positions open
We are currently looking for motivated and curious minds to join our laboratory as PhD Students for exploring emerging areas of Integrated Nanophotonics, Plasmonics, and Metamaterials based Devices.
If you are interested, please apply for the relevant Ph.D. position through the IITG Website.
For any queries, you can drop an email to deb.sikdar@iitg.ac.in