Dr. Saptarshi Ghosh
Associate Professor
Department of Electrical Engineering
Indian Institute of Technology Indore
Simrol - 453552, Madhya Pradesh, India.
Office: Room No. 723, Pod 1A
Email: sghosh@iiti.ac.in
Contact: +91-731-660-3346
Research Interests:
Frequency selective surfaces Metamaterials and Metasurfaces
Microwave absorbers Microwave and millimeter-wave antennas
Conformal geometries Three-dimensional (3-D) Printing
Reflectarray antennas Reconfigurale Intelligent Surface (RIS)
Awards/Achievements: (New)
(2026): Dr. Saptarshi Ghosh has been selected for the International Travel Grant 2025-26 of Indian Institute of Technology Indore to visit Queen’s University, Belfast, UK.
(2026): Ms. Aishwarya Gupta, PhD student in our group, has been selected for the prestigious JST LOTUS (India-Japan Circulation of Talented Youths in Science Programme) Fellowship to visit Institute of Science Tokyo, Japan for a period of six months.
(2025): Mr. Akhila Gouda, PhD student in our group, has received the International Travel Grant from ANRF for presenting a research paper in IEEE International Symposium on Antennas and Propagation and ITNC-USNC-URSI Radio Science Meeting, held in Ottawa, Canada, 13-18 July, 2025.
(2025): Our article entitled "A Compact Wideband Millimeter-Wave Polarization-Reconfigurable Antenna Array" is considered as a featured paper in IEEE Antennas and Wireless Propagation Letters. [Link]; [Paper]
(2025): Dr. Saptarshi Ghosh has been selected for the prestigious 2025 Raj Mittra Travel Grant from IEEE Antennas and Propagation Society (IEEE AP-S). [Link1] [Link2]
(2025): Mr. Deepak, PhD student in our group, has received Prof. Satish Kuamr Sharma Best Student Paper Award for Doctoral Students for the paper entitled “1-bit Reconfigurable Intelligent Surface for Single- and Multi-beam Steering Applications” in Third International Conference on Microwave, Antenna and Communication (MAC), NIT Bhopal, India, 27-29 June, 2025.
Journals: (New)
Priyank Mishra, and Saptarshi Ghosh, “High Aperture efficiency Millimeter wave Fabry-Perot Cavity MIMO Antenna using Unprinted and Printed dielectric Superstrates for n257 band 5G Applications,” Frequenz, vol. 80, no. 1-2, pp. 77-88, Jan. 2026.
Baisakhi Bandyopadhyay, Rahul Vishwakarma, Saptarshi Ghosh, and Kumar Vaibhav Srivastava, “RCS Reduction of Antenna Array Using Wideband Polarization‐Insensitive A‐T‐A Rasorber,” Accepted for publication in Microwave and Optical Technology Letters, doi: 10.1002/mop.70492, Dec. 2025.
Akhila Gouda, and Saptarshi Ghosh, “A Method for Uniform Unit Cell Placement on Complex 3D Surfaces Using STL for EM Applications,” Accepted for publication in IEEE Antennas and Wireless Propagation Letters, Nov. 2025.
Poonam Tiwari, Jayant Kumar Rai, Pinku Ranjan, Saptarshi Ghosh, Rakesh Chowdhury, and Sandesh Jain, “Design and Analysis of Wideband MIMO THz Sensing Antenna Enabled by Machine Learning for Cognitive Radio: Towards 6G,” IEEE Communications Standards Magazine, vol. 9, no. 4, pp. 152-157, Dec. 2025.
P. Megh Sainadh, and Saptarshi Ghosh, “Wideband Polarization-Insensitive Switchable FSS-based Rasorber/ Absorber/Transmitter/Reflector,” IEEE Antennas and Wireless Propagation Letters, vol. 24, no. 12, pp. 4735-4739, Dec. 2025.
Praneet Jain, Saptarshi Ghosh, Simon Cotton, and Okan Yurduseven, “Single Layer sub-6 GHz Leaky Dynamic Metasurface Antenna with Wide Beam Coverage,” IEEE Antennas and Wireless Propagation Letters, vol. 24, no. 11, pp. 4323-4327, Nov. 2025.
Conferences: (New)
Aishwarya Gupta, Okan Yurduseven, and Saptarshi Ghosh, “A Low-RCS Phased Array Antenna with 4×4 Butler Matrix and Frequency Selective Rasorber,” Accepted for presentation in IEEE European Conference on Antennas and Propagation (EuCAP), Dublin, Ireland, 19-25 April, 2026.
Kumar Anmol, Akhila Gouda, Okan Yurduseven, and Saptarshi Ghosh, “Multi-Beam Reconfigurable Intelligent Surface with Adaptive Power Allocation for Multi-User Communication,” Accepted for presentation in IEEE European Conference on Antennas and Propagation (EuCAP), Dublin, Ireland, 19-25 April, 2026.
Praneet Jain, Trung Q. Duong, Saptarshi Ghosh, Peng-Yuan Wang, Simon Cotton, and Okan Yurduseven, “An X-Band Leaky-Wave Dynamic Metasurface Antenna for Integrated Sensing and Communication,” Accepted for presentation in IEEE European Conference on Antennas and Propagation (EuCAP), Dublin, Ireland, 19-25 April, 2026.
Praneet Jain, Saptarshi Ghosh, Simon Cotton, and Okan Yurduseven, “Spoof Surface Plasmon Polariton-based Shadow Region Illumination for Wireless Networks,” Accepted for presentation in IEEE International Workshop on Antenna Technology (iWAT), Liverpool, UK, 25-27 March, 2026.
Gaurav Sharma, Deepak Kaushik, Akhila Gouda, Rajesh M Bodade, and Saptarshi Ghosh, “An Equivalent Circuit-Driven Multi-Objective Genetic Algorithm Optimization Approach for FSS Design,” Accepted for presentation in 2026 National Conference on Communications (NCC), IIT Hyderabad, 26 February-01 March, 2026.
Soham Nandi, Patinavalasa Megh Sainadh, Vijay Kumar Sutrakar, and Saptarshi Ghosh, “Polarization-Insensitive Time-Modulated Frequency Selective Surface with Asymmetric Geometry for Radar Countermeasures,” Accepted for presentation in 2026 National Conference on Communications (NCC), IIT Hyderabad, 26 February-01 March, 2026.
