Faculty at School of Engineering

Jitendra Prajapati

Jitendra Prajapati

Associate Professor

School of Engineering


Contact Information

Dr. Jitendra Prajapati is an Associate Professor in the Department of Electrical Engineering at Shiv Nadar Institution of Eminence (IoE), Greater Noida, India. He received his Ph.D. in Electronics and Electrical Engineering from the Indian Institute of Technology (IIT) Guwahati in 2018, where his doctoral research focused on analytical and simulation modeling of terahertz photoconductive antennas. Prior to joining Shiv Nadar IoE, he served as an Assistant Professor at the National Institute of Technology (NIT) Sikkim.

Dr. Prajapati’s research interests include terahertz and millimeter-wave antenna systems, photoconductive and photomixing antennas, orbital angular momentum (OAM) antennas, reconfigurable intelligent surfaces (RIS), and antenna technologies for emerging 5G and 6G communication systems. His work integrates analytical modeling, numerical simulations, and system-level design approaches to address challenges in next-generation wireless and sensing technologies.

He has authored more than 20 peer-reviewed journal publications and over 25 conference papers in reputed international venues. He has successfully completed sponsored research projects funded by national agencies, including DRDO, and has supervised doctoral and undergraduate research projects in advanced antenna and electromagnetic systems. Dr. Prajapati is a Senior Member of IEEE and a Fellow of the Institution of Electronics and Telecommunication Engineers (IETE), and actively serves as a reviewer for several international journals.

In addition to research and teaching, he actively contributes to academic administration, student mentoring, and curriculum development within the university.

Terahertz Radiation, Terahertz Antennas, Photoconductive and Photomixing Antennas, Teraherz Applications, and Terahertz Sensing

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2018, Ph.D., Indian Institute of Technology Guwahati

2010, B.Tech., S. R. M. C. E. M., Lucknow (Under Uttar Pradesh Technical University)

  • 2025-Present, Associate Professor, Department of Electrical Engineering, School of Engineering, Shiv Nadar Institution of Eminence Deemed to be University, Delhi-NCR, Greater Noida, UP, India.
  • 2022-Dec. 2024, Assistant Professor, Department of Electrical Engineering, School of Engineering, Shiv Nadar Institution of Eminence Deemed to be University, Delhi-NCR, Greater Noida, UP, India.
  • 2019-Aug. 2022, Assistant Professor, Department of Electrical Engineering, School of Engineering, Shiv Nadar University, Delhi-NCR, Greater Noida, UP, India.
  • Aug 2018-Dec. 2018, Assistant Professor, Electronics and Communication Engineering, National Institute of Technology Sikkim, Ravangla, Sikkim, India.
  • April 2011- Dec. 2012, Project Fellow, CSIR-Central Electronics Engineering Research Institute, Pilani, Rajasthan, India.

  • Senior Member IEEE (92435390)
  • Member IEEE Antennas and Propagation Society.
  • Member IEEE Microwave Theory and Technology Society.
  • Fellow Institution of Electronics and Telecommunication Engineers (F-504956)
  • Associate Member of the Institute of Physics (80518170)

  1. Jyothishree Pillai, Jitendra Prajapati, Madhur Deo Upadhayay, “Wide Half Power Beamwidth MIMO Antenna for Vehicular Radar System”, International Journal of Applied Electromagnetics and Mechanics, 77(4), 2025.
  2. Seyedpouriya Kashfi, Zahra Ghattan Kashani, Jitendra Prajapati, Yijie Lou, “Role of the Hall effect on THz output power enhancement in plasmonic photoconductive antennas”, Journal of the Optical Society of America B, 41(7), pp. 1604-1613, 2024.
  3. Deepak Yadav, Madhur Deo Upadhayaya, Jitendra Prajapati, “Helical Array for the Generation of OAM Wave Without Phased Network”, IEEE Antennas and Wireless Propagation Letters, 23(7), pp. 2125-2129, 2024.
  4. Jyothishree Pillai, Madhur Deo Upadhayaya, Jitendra Prajapati, “Efficiency enhancement of a circularly polarised Slotted Waveguide Antenna Array for Sub-THz applications”, Optical and Quantum Electronics, 56, 805, 2024.
  5. Deepak Yadav, Madhur Deo Upadhayaya, Jitendra Prajapati, “Redefining Uniform Circular Array’s Limit by using Square Patch Elements for Higher Order Orbital Angular Momentum Mode Generation”, AEUE - International Journal of Electronics and Communications, 175, 2024.
  6. Jyothishree Pillai, Madhur Deo Upadhayaya, Jitendra Prajapati, “Radiated Power and Directivity Analysis of a Nano-dot Photoconductive Antenna”, Optical and Quantum Electronics, 55 (11), 1017, 2023.
  7. Deepak Yadav, Madhur Deo Upadhayaya, Jitendra Prajapati, “Design Constrains in three Configurations of UCAs for Distortion Free Orbital Angular Momentum Modes Generation”, AEUE-International Journal of Electronics and Communications, 170, 2023.
  8. ENF Boby, J Prajapati, V Rathinasamy, S Mukherjee, and S Mondal, “Parametric Investigation of Interdigitated Photoconductive Antenna for Efficient Terahertz Applications”, Arabian Journal for Science and Engineering, 47(3), 2022.
  9. ENF Boby, J Prajapati, V Rathinasamy, T R Rao, and S Mondal, “6G and beyond: Investigation of broadband terahertz interdigitated photoconductive antenna by exploiting laser parameters”, Microwave and Optical Technology Letters, 2021.
  10. Vinay Sharma, Madhur D. Upadhayay, Atul V. Singh, and Jitendra Prajapati, “Hammer-Shaped Element-Based Compact MIMO Antenna for WLAN Application”, Progress In Electromagnetics Research Letters, 97, 121-130, 2021.
  11. Mrinmoy Bharadwaj, Jitendra Prajapati, and Ratnajit Bhattacharjee, “Analytical Modelling of Terahertz Photomixing Antennas”, IETE Journal of Research, 1-12, 2019.
  12. Jitendra Prajapati, Mrinmoy Bharadwaj, Amitabh Chatterjee and Ratnajit Bhattacharjee, “Radiation field analysis of photoconductive antenna using an improved carrier dynamics”, Semiconductor Science and Technology, 34(2), 024004, 2019.
  13. Mrinmoy Bharadwaj, Jitendra Prajapati, and Ratnajit Bhattacharjee, “Novel graphene based antennas for the terahertz region”, Semiconductor Science and Technology, 34(1), 014003, 2019.
  14. Jitendra Prajapati, Mrinmoy Bharadwaj, Amitabh Chatterjee and Ratnajit Bhattacharjee, “Magnetic Field-Assisted Radiation Enhancement from a Large Aperture Photoconductive Antenna”, IEEE Transactions on Microwave Theory and Techniques, 66(2), 2018.
  15. Jitendra Prajapati, Mrinmoy Bharadwaj, Amitabh Chatterjee and Ratnajit Bhattacharjee, “Circuit modeling and performance analysis of photoconductive antenna”, Optics Communications, 394,69-79, 2017.
  16. Jitendra Prajapati, Vinay Kumar Boini, Mrinmoy Bharadwaj and Ratnajit Bhattacharjee, “Comments on “Theoretical Modeling of a Photoconductive Antenna in a Terahertz Pulsed System”, IEEE Transactions on Antennas and Propagation, 64(6), 2583-2584, 2016.
  17. Udit Narayan Pal, Jitendra Prajapati, Niraj Kumar and Ram Prakash, “Particle-in-cell simulation study of PCE-gun for different hollow cathode aperture sizes”, Indian Journal of Pure and Applied Physics, 53(4), 225-229, 2015.
  18. U N Pal, J Prajapati, N Kumar and R Prakash, “Simulation and experimental studies of 20 kV/200 A PCE-Gun for discharge current analysis”, Indian Journal of Physics, 89(9), 2015.
  19. Niraj Kumar, Nalini Pareek, Udit Narayan Pal, Deepak Kumar Verma, Jitendra Prajapati, Mahesh Kumar, Bharat Lal Meena and Ram Prakash, “Performance evaluation of self-breakdown-based single-gap plasma cathode electron gun”, Pramana, 82(6), 1075-1084, 2014.
  20. Ram Prakash, Gheesa Lal Vyas, Jalaj Jain, Jitendra Prajapati, Udit Narayan Pal, Malay Bikas Chowdhuri and Ranjana Manchanda, “Development of large volume double ring penning plasma discharge source for efficient light emissions”, The Review of scientific instruments, 83(12), 2012.
  21. Udit Narayan Pal, Niraj Kumar, Deepak Kumar Verma, Jitendra Prajapati, Mahesh Kumar, Vishnu Srivastava, Harish Kumar Dwivedi and Ram Prakash, “Development of low-pressure high-current plasma cathode electron gun and use of associated techniques”, Journal of Theoretical and Applied Physics, 6(1), 2012.
  22. Niraj Kumar, U. N. Pal, D. K. Verma, Prajapati, M. Kumar, B. L. Meena, M. S. Tyagi and V. Srivastava, “Experimental Analysis of Pseudospark Sourced Electron Beam”, Journal of infrared, millimeter and terahertz waves, 32(12), 2011.

  1. Jitendra Prajapati, Jyothishree Pillai, and Madhur Deo Upadhayay, “Design and Analysis of Slotted Waveguide Antennas for 6G Applications”, Microwave Engineering - Foundational Studies and Multifarious Applications, IntechOpen, 2025

Invited Lectures:

  1. Delivered a webinar on ” Exploring Terahertz Technology: Opportunities and Obstacles” organized by IEEE UP Section Professional Activities Committee on May 19, 2025.
  2. Delivered an invited talk on “Photoconductive Antenna: Opportunities and Challenges” in the Sixth International Conference on Millimeter Wave and Terahertz Technologies held by the Faculty of Electrical Engineering, K.N. Toosi University of Technology from Jan. 24-26, 2023.
  3. Delivered a talk on “Photoconductive Antenna: Analytical approach to understand its working” in SERB-funded high-end workshop (“KAARYASHALA”) on “TCAD-based Modeling & Simulation of Advanced Semiconductor Devices” held at Shiv Nadar University, Delhi-NCR, from Jan. 23-31, 2023.
  1. Delivered a talk on "Terahertz Antennas" in Faculty Development Program on “Antenna Trends” jointly organized by E&ICT Academy IIT Guwahati, NIT Patna and MNIT Jaipur from July 1-5, 2019.

Conferences:

  • Nameesha Chauhan, Jitendra Prajapati, Naveen Babu, “Double Square Ring Metamaterial-based Backward Wave Oscillator for Microwave Generator”, International Conference on Innovation in Computing and Engineering (ICE), 2025.
  • Shaurya Srivastava, Harshiv Gupta, Madhur Upadhayay, Jitendra Prajapati, “Diplexer for sub-6 GHz, 4G and 5G applications using coupled line filters with parallel stub lines”, International Conference on Innovation in Computing and Engineering (ICE), 2025.
  • Deepak Yadav, Jitendra Prajapati, Jyothishree Pillai, Madhur Deo Upadhayay, “Optimizing OAM Beams by Varying Refractive Index of Hemi-Spherical Dielectric Lens,” 2024 IEEE Microwaves, Antennas, and Propagation Conference (MAPCON), pp. 1-5, 2024.
  • Deepak Yadav, Jyothishree Pillai, Madhur Deo Upadhayaya, Jitendra Prajapati, Naveen Babu “Optimizing OAM Beam’s Divergence Angle in RF with Hemi-Spherical Dielectric Lenses”, 2024 25th International Microwave and Radar Conference (MIKON), Wroclaw, Poland, 2024.
  • Nameesha Chauhan, Naveen Babu, Madhur Deo Upadhyay, Jitendra Prajapati, “Investigation of Dispersion Control in Planar Rectangular Tape Helix Slow Wave Structure with Double-Positive Metamaterial Assistance”, 2024 IEEE Wireless Antenna and Microwave Symposium (WAMS), Visakhapatnam, India, 2024.
  • Aakansha Sharma, Kritika Goel, Jitendra Prajapati, Madhur Deo Upadhayay, “S- Band GPR using Vivaldi for Object Detection”, 2024 IEEE International Conference for Women in Innovation, Technology & Entrepreneurship (ICWITE), Bangalore, India, 2024.
  • Naveen Babu, Jitendra Prajapati, Madhur Upadhyay, “Dielectric loss analysis of anisotropically conducting tape helix slow wave Structure in travelling wave tube”, 2023 24th International Vacuum Electronics Conference (IVEC), Chengdu, China, 2023.
  • Naveen Babu, Nameesha Chauhan, Pushparaj Katiyar, Aavesh Kumar, Vanaparthy Vishnu Sai Gupta, Madhur Upadhyay, Jitendra Prajapati, “Modified Accurate Dispersion Characteristics with field restricted current density distribution for Open Rectangular Planar Tape Helix”, 2023 24th International Vacuum Electronics Conference (IVEC), Chengdu, China, 2023.
  • Naveen Babu Gnanamoorthi, Nameesha Chauhan, Pushpraj Katiyar, Jitendra Prajapati, Madhur Deo Upadhayay, “Simulation of Small Signal Characteristics of Open Planar Tape Helix Slow Wave Structure with Straight Edge Rectangular Connections”, 2023 24th International Vacuum Electronics Conference (IVEC), Chengdu, China, 2023
  • Deepak Yadav, Jyothishree Pillai, Madhur Deo Upadhayaya, Jitendra Prajapati, and Naveen Babu “A Spiral Array for OAM Mode Generation", 2022 IEEE International RF and Microwave Conference (RFM), Kuala Lumpur, Malaysia, 2022.
  • Jyothishree Pillai, Deepak Yadav, Jitendra Prajapati, Madhur Deo Upadhayaya, and Naveen Babu, “Optimization Analysis of a Nano-dot Photoconductive Antenna", IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization for RF, Microwave, and Terahertz Applications, Limoges, France, 2022.
  • Deepak Yadav, Jyothishree Pillai, Madhur Deo Upadhayaya, Jitendra Prajapati, and Naveen Babu “An Octagon Patch Antenna for OAM Mode Generation", IEEE International Conference on Electrical, Electronics and Computer Engineering (DELCON), 2022.
  • Jyothishree Pillai, Deepak Yadav, Jitendra Prajapati, Madhur Deo Upadhayaya, and Naveen Babu “Compact Wideband H-Shaped Slot Antenna for Sub-THz Applications", IEEE International Conference on Electrical, Electronics and Computer Engineering (DELCON), 2022.
  • Jyothishree Pillai, Deepak Yadav, Jitendra Prajapati, Madhur Deo Upadhayaya, and Naveen Babu “Quad-Band Graphene Antenna for 60-120 GHz Indoor Communication System", IEEE Indian Conference on Antennas and Propogation (InCAP), 2021.
  • Hritik Singhal, Ashwin S, Vinay Sharma, Jitendra Prajapati, Madhur Deo Upadhayaya, “High Gain Hexagonal Patch Antenna for V2V Communication", IEEE 7th International Conference on Signal Processing and Integrated Networks (SPIN), 2020.
  • Jitendra Prajapati, Mrinmoy Bharadwaj, Amitabh Chatterjee and Ratnajit Bhattacharjee, “Effect of Near Fields on Radiation from Photoconductive Antenna", IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization for RF, Microwave, and Terahertz Applications,  Seville, Spain, 2017.
  • Jitendra Prajapati, Mrinmoy Bharadwaj, Amitabh Chatterjee and Ratnajit Bhattacharjee, “Equivalent Electrical Circuit Model of Terahertz Photoconductive Antenna Receiver in a Pulsed System", International Conference on Innovations in Electronics, Signal Processing and Communication, Meghalaya, India, 2017.
  • Mrinmoy Bharadwaj, Jitendra Prajapati, and Ratnajit Bhattacharjee, “Analytical Modelling of carrier concentration and conductance in Terahertz Photomixing Antennas", IEEE Applied Electromagnetics Conference (AEMC), Aurangabad, India, 2017.
  • Mrinmoy Bharadwaj, Jitendra Prajapati, and Ratnajit Bhattacharjee, “Design of novel beam-switching semicircular microstrip antenna and transmission line with Graphene at Terahertz frequencies", Asia-Pacific Microwave Conference (APMC), New Delhi, India, 2016.
  • Jitendra Prajapati, Mrinmoy Bharadwaj, Amitabh Chatterjee and Ratnajit Bhattacharjee, “Time Dependent Capacitance in Photoconductive Antenna", IEEE Applied Electromagnetics Conference (AEMC), IIT Guwahati, India, 2015.
  • Jitendra Prajapati, Mrinmoy Bharadwaj, Amitabh Chatterjee and Ratnajit Bhattacharjee, “A Parametric Study of Photo Carrier Generation in Photoconductive Antenna ", 6th International Conference on Computers and Devices for Communication (CODEC), Kolkata, India, 2015.
  • Jitendra Prajapati, U. N. Pal, Niraj Kumar, D. K. Verma, Ram Prakasha and V. Srivastava, “Comparative simulation studies of plasma cathode electron (PCE) gun", Journal of Physics Conference Series, 365(1), 2012.
  • Deepak K. Verma, U. N. Pal, N. Kumar, J. Prajapati, M. Kumar, Ram Prakash and V. Srivastava, “Investigation of electron beam parameters inside the drift region of plasma cathode electron gun", Journal of Physics Conference Series, 365(1), 2012.
  • Niraj Kumar, D K Verma, J Prajapati, M Kumar, B L Meena, M S Tyagi, V Srivastava and U N Pal, “Experimental Investigation of Pseudospark generated electron beam", Journal of Physics Conference Series, 390(1), 2012.
  • UN Pal, N Kumar, DK Verma, J Prajapati, M Kumar, BL Meena, Ram Prakash and V Srivastava, “Electron beam analysis of pseudospark sourced electron gun", IEEE International Conference on Plasma Science (ICOPS), 2012.

  • "Simulation and performance analyses of Photoconductive antenna for High power THz emitter and receiver on LT-GaAs and InGaAs substrates", PI-Jitendra Prajapati, Funding Agency: SSPL, DRDO, New Delhi