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.
Project positions, JRF & project staff. Click the PDF to view the full advertisement.
Applications are invited for an Online interview for the following post(s) in the project entitled, "Development of Terahertz Topological Devices for 6G Applications" at the Department of Electronics & Electrical Engineering, IIT Guwahati.
Recent Highlights: Latest updates from our research group
Dr. Debabrata Sikdar has been named among the World’s Top 2% Scientists (Stanford–Elsevier ranking, 2026 single-year list), ranked 2,755 out of 140,272 researchers worldwide in Optoelectronics & Photonics. More Info
Our patent application on “Method for Guiding and Splitting a Terahertz Electromagnetic Field Using a Photonic Crystal Waveguide” by D. Biswas, T. Shah, L. Sharma and D. Sikdar has been filed at the Indian Patent Office,
Our patent application on “System and Method for High-Q Terahertz Refractive-Index Sensing Using a Hybrid-Edge Valley Photonic Crystal Cavity” by T. Shah, D. Biswas and D. Sikdar has been filed at the Indian Patent Office,
Our patent application on “Regime Aware Continuous Variable Quantum Teleportation System and Method for Communication over Optical Fiber Channels” by L. Sharma, D. Biswas and D. Sikdar has been filed at the Indian Patent Office,
Our US patent on “Enhanced Light Extraction from Light Emitting Diodes Utilizing a Nanoparticle Meta-Grid” by D. Sikdar, A. Kornyshev, J. Edel and J. B. Pendry has been granted with
Dr. Debabrata Sikdar has been selected as a Senior Member of Optica, Class of 2026, joining the global Optica community advancing optics, photonics, and metamaterials technologies. More Info
Our recent work titled “Conformal Metasurfaces with Nested Resonant Structures to Enhance SNR in 1.5T MRI Scans” by A. B. Dey, J. Gupta, G. Kumar, S. Kanagaraj, R. Bhattacharjee and D. Sikdar has been published in
Our recent work titled “Efficiency Enhancement of Perovskite Solar Cells using Engineered Radiative Cooling through Photonic Multilayer Film” by S. Das, D. Biswas, L. Sharma and D. Sikdar has been published in
Our recent work titled “All-Dielectric-Based Highly Transparent Self-Cleaning Coating for Efficient Solar Heat and UV Blocking in Single-Pane Glass Windows” by S. Das, M. K. Ganesha, D. Biswas, H. Hakkeem, F. Seneen, A. K. Singh and D. Sikdar has been published in
Our recent work titled “Laser Power-Dependent Squeezing in Optical Quadratures: Insights for Quantum Information Processing” by L. Sharma, P. Mudgal, S. Sharma, D. Sharma and D. Sikdar has been published in
Our recent work titled “Actively tunable wideband terahertz topological power splitter with customizable splitting ratio” by D. Biswas, S. Das and D. Sikdar has been published in
Our patent on System and Method for Enhancing Squeezing to Strengthen Entanglement for High-Fidelity Quantum Teleportation by L. Sharma and D. Sikdar is granted with
Our patent on Magnetic Metamaterials based Add-ons for Improving the Signal-to-Noise Ratio of Magnetic Resonance Imaging by J. Gupta, P. Das, R. Bhattacharjee, and D. Sikdar is granted with
Our recent work titled “Smart and Flexible Metasurface-Inspired Wraps as ‘Add-ons’ for Enhanced Magnetic Resonance Imaging” by J. Gupta, A. B. Dey, S. Kanagaraj, R. Bhattacharjee, and D. Sikdar has been published in
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
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
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).
