• C. Kishandev, J. I. Joy, J. T. Korah, E. Markose and Nikhil Kumar, "Ferroelectric-Modulated Spin to Charge Conversion and THz Emission in Bilayer WTe2 Heterostructures," in IEEE Transactions on Magnetics, 2026, https://ieeexplore.ieee.org/document/11513274/authors#authors
• Sathian, Arun Nelliparambil, Nikhil Kumar, and K. P. Murali. "Unprecedented dielectric minimization in polymer composite: a novel ultra-low dielectric constant, polymer composite substrate for millimeter-wave circuit applications." Journal of Materials Science: Materials in Electronics 37.14 (2026): 1114.https://doi.org/10.1007/s10854-026-17426-2
• Sivan, Abhijith, Vadakkathintakath Muhammed Azeem, Nikhil Kumar, and Kodakkattu mana Purushothaman Murali. "Design and Fabrication of a Microstrip Patch Antenna Using a Flexible Low‐Dielectric, Low‐Loss Substrate." physica status solidi (a), Vol.222, no.24, Pages: e202500550, (2025). https://doi.org/10.1002/pssa.202500550
• Nikhil Kumar, Pawel Gruszecki, Mateusz Gołębiewski, Jarosław W. Kłos, Maciej Krawczyk “Exciting high-frequency short-wavelength spin waves using high harmonics of a magnonic cavity mode,” Advanced Quantum Technologies: 2400015, March 2024https://onlinelibrary.wiley.com/doi/full/10.1002/qute.202400015
• Nikhil Kumar, Pawel Gruszecki, Mateusz Gołębiewski, Jarosław W. Kłos, Maciej Krawczyk “Exciting high-frequency short-wavelength spin waves using high harmonics of a magnonic cavity mode,” preprint arXiv:2311.14143, 2023https://arxiv.org/abs/2311.14143
• Nikhil Kumar "Enhanced spin wave coupling between array of spin torque nano oscillators in magnonic crystal cavities," Physica B:Condensed Matter, vol.645, Aug 2022.https://www.sciencedirect.com/science/article/abs/pii/S0921452622005373
• N. Kumar and A. Prabhakar, "Resonant spin wave excitations in a magnonic crystal cavity," in Journal of Magnetism and Magnetic Materials, vol. 450, March 2018.https://doi.org/10.1016/j.jmmm.2017.06.009
• D. Kumar, K. Konishi, Nikhil Kumar, S. Miwa, A. Fukushima, K. Yakushiji, S. Yuasa,H. Kubota, C. Tomy, A. Prabhakar, Y. Suzuki and A. Tulapurkar, "Coherent microwave generation by spintronic feedback oscillator," in Scientific Reports, vol.6, Article number: 30747 (2016).https://www.nature.com/articles/srep30747
• G. Venkat, N. Kumar and A. Prabhakar, "Micromagnetic and Plane Wave Analysis of an Antidot Magnonic Crystal with a Ring Defect," in IEEE Transactions on Magnetics, vol. 50, no. 11, pp. 1-4, Nov. 2014, Art no. 7101104.https://ieeexplore.ieee.org/document/6971652
• N. Kumar , G. Venkat and A. Prabhakar, "An Iterative Solution for Spin-Wave Dispersion in a Magnonic Ring," in IEEE Transactions on Magnetics, vol. 50, no. 9, pp. 1-6, Sept. 2014, Art no. 1300306.https://ieeexplore.ieee.org/document/6797895
• N. Kumar and A. Prabhakar, "Spin Wave Dispersion in Striped Magnonic Waveguide," in IEEE Transactions on Magnetics, vol. 49, no. 3, pp. 1024-1028, March 2013.https://ieeexplore.ieee.org/document/6466461

• C. Kishandev, J. Joy, J. Korah, E. Markose, and Nikhil Kumar, “Ferroelectric-Modulated Spin–Charge Conversion and THz Emission in Bilayer WTe₂ Heterostructures,” presented at the INTERMAG 2026, Manchester, UK 13–17 April 2026.
• Vasu Aggarwal, Harish V, Nikhil Kumar, "Extending the limits of the NV center magnetometer to high field regimes", International Conference on Diamond and Emergent Materials Science and Technology", 11-13 March 2026, IIT Madras
• Tripathi Vinayak Kumar,C S Nikhil Kumar, "Terahertz (THz) fingerprint detection system using a 1D photonic crystal (PhC) cavity", IEEE Wireless Antenna and Microwave Symposium (WAMS), IIITD Kanchipuram Chennai, June 5-8 2025 
• Justin Jose, Syamlal Sankaran Kunnath, Nikhil Kumar, "Scalable Ultra High Sensitivity Soil Moisture Detection Using Photonic Crystal Cavity Array With SIW Technology", International Symposium on Integrated Magnetics 2025( (iSIM 2025), January 12–13, 2025, New Orleans, USA, 2025 Joint MMM-Intermag Conference
• Haleema Safa, Mohammed Mudassir, Pisharody Harikrishnan, Nikhil Kumar C S, C N Shyam Kumar, "Coconut shell derived pyrolyzed carbon for electromagnetic interference shielding", International Conference on Materials For Energy Environment and Health Care, on 20-21 Dec 2024, Department of Material Science and Engineering, National Institute of Technology Calicut, India.
• Nikhil Kumar, Paweł Gruszecki, Mateusz Gołębiewski, Jarosław W Kłos, Maciej Krawczyk, “High-frequency short-wavelength spin waves in the antidot lattice generated in a nonlinear process,” International Conference on Magnetism, on 30th June 5th July 2024, Bologna, Italy.
• Nikhil Kumar, Pawel Gruszecki, Mateusz Gołębiewski, Jarosław W Kłos, Maciej Krawczyk, “Excitation Of High-Frequency Short-Wavelength Spin Waves Via High Harmonics Of Magnonic Cavity Mode,” First Translational Round Table on Magnonics, High-Frequency Spintronics, and Ultrafast Magnetism, University of Exeter, 3-7 June 2024.
• Venu, Aswin C., and Nikhil Kumar. "Enhanced Electrical Modelling of Spin Transfer Torque Magnetic Tunnel Junctions with Temperature Dependent Magnetic Parameters." 2024 IEEE International Magnetic Conference-Short papers (INTERMAG Short papers), RIO, Brazil https://resourcecenter.magnetics.ieee.org/conferences/intermag-2024/mags2024intmag2480
• Paweł Gruszecki, Nikhil Kumar, , Mateusz Gołębiewski, Jarosław W Kłos, Maciej Krawczyk, 024 IEEE International Magnetic Conference-Short papers, .RIo Brazil, IEEE, 2024. IEEE, 2024. IEEE International Magnetic Conference. RIo Brazil, IEEE, 2024. https://www.intermag2024.org/
• Nikhil Kumar, Paweł Gruszecki, Mateusz Gołębiewski, Jarosław W Kłos, Maciej Krawczyk, "Excitation of high-frequency short-wavelength spin waves", Symposium on Spintronics and Quantum Information 2024, Faculty of Physics, Adam Mickiewicz University, Poznań
• Vishnupriya, Nikhil Kumar, "Design and simulation of an artificial magnetic conductor with quasi-periodic crystal", International Conference on Magnetic Materials and Applications, Hyderabad, Dec 2023.
• Abin Francis, Nikhil Kumar, "Spin Flash Analog to Digital Converter", International Conference on Magnetic Materials and Applications, Hyderabad, Dec 2023.
• Nikhil Kumar, Maciej Krawczyk "Array of magnonic cavities excited by spin torque nano oscillators for enhanced spin wave coupling," Plasmons and vibrational dynamics in nanomaterials, Physics department, Adam Mickiewicz University, Poznan, Poland, Oct 2022
• N. Kumar , A. Prabhakar, "Phase locking, intermittency and chaos, of an array of magnonic crystal cavities driven by spin torque nano oscillators", IEEE International Magnetic Conference, 23 - 4 - 2018.https://ieeexplore.ieee.org/document/8508736
• A. Prabhakar, N. Kumar, G. Venkat, and M. Malathi, "Magnonic crystals as SWASER cavities", Presented at Magnonics 2017, Magdalen College, University of Oxford, UK.https://magnonics2017dotcom.wordpress.com/program/
• G.Venkat, N. Kumar , M. Arnold and A. Prabhakar, "Side band Supression in a Resonant M agnonic Crystal Cavity", presented at 62 nd Annual Conference on Magnetism and Magnetic Materials Pittsburgh, PA Fort Duquesne Blvd, Pittsburgh, PA 15222, 2016, USA.
• D. Kumar , K. Konishi, N. Kumar , S. Miwa, A. Fukushima, K. Yakushiji, S. Yuasa, H. Kubota, C. Tomy, A. Prabhakar, Y. Suzuki, A. Tulapurkar, "Coherent microwave emission from a nanomagnet using magnetic feedback", presented at International conference on Solid State Devices and Material,(SSDM), Tsukuba International Congress Center, Japan, 2016.
• N. Kumar , G. Venkat and A. Prabhakar, "Sustained spinwaves using an antidot magnonic crystal cavity", presented at IEEE AIM Conference, Bornio, Italy, 2016.
• D. Kumar , K. Konishi , N. Kumar , S. Miwa , A. Fukushima, K. Yakushiji , S. Yuasa , H. Kubota, C.V. Tomy , A. Prabhakar , Y. Suzuki and A. Tulapurkar, "Large Quality factor of oscillations in MgO - based magnetic field feedback oscillator", presented at Joint MMM-Intermag Conference, San Diego, California, 2016.
• G. Venkat, N. Kumar , and A. Prabhakar, "Spin wave propagation in an antidot magnonic crystal with a ring defect", presented at Intermag, 2014, Dresden, Germany.
• G. Venkat, N. Kumar , A. Prabhakar,"Spin wave dispersion in permalloy nano-rings", presneted at International conference in Magnonics 2013, Varberg Kurort(Spa), 2013.
• N. Kumar , G. Venkat and A. Prabhakar, "Sustained spinwaves using an antidot magnonic crystal cavity", presented at IEEE AIM Conference, Bornio, Italy, 2016.
• N. Kumar , A. Prabhakar, "Spin wave dispersion in striped magnonic waveguide", presented at IEEE-ICMM 2012, Kaiserslautern, Germany.https://ieeexplore.ieee.org/document/6466461

1) Quantum Computing, Hybrid Quantum Systems, Quantum Technologies based Devices

 2) Solid-State Quantum Antenna Arrays Using Quantum Dots and NV Centers

 3) Semiconductor-based quantum computing using CMOS technologies, Quantum System on Chip(SoC) Design

 4)Gate Driver Technologies for Wide-Bandgap Power Devices: SiC MOSFETs and GaN FETs

5)RF generation using spin wave devices(Magnonics), Topological Magnonics

6)Classical Antennas and Metamaterials, Time Crystals

7) Computational electromagnetics(micromagnetics)

8) Microwaves in ultrasmall scale devices, Cavities

9)Magnetization dynamics of nanoscale magnetic materials, Non Linear Time Series Analysis

10) Spintronic based RF components and Circuit level modelling

11)Application of the spin wave devices for quantum technologies

12)Neuromorphic Spintronics, Quantum Devices, Materials

13) Photonics, Optics, Optical Communications, Gravitational waves

1. Inventors:Chownkulangara Sudhakaran Nikhil Kumar, Venkat Guru, Prabhakar Anil, "Apparatus for sustaining magnetic oscillations using a magnonic crystal cavity", IN201641008819, 2017. Granted - 2020 - Patent No: 346145. PCT/IN2017/050090- Patentee- Indian Institute of Technology Madras-https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2017158620&_fid=WO2017158620
2. Inventors: Justin Jose, Nikhil Kumar Chownkulangara Sudhakaran,  “A Millimeter Wave Apparatus for Measuring Soil Content Parameters with Ultra High Sensitivity”, National Institute of Technology Calicut, Patent Application No. 202541025789 filed on 21.03.2025

1. C.S.Nikhil Kumar "Magnetic Resonators: Feedback with Magnetic Field and Magnetic Cavity", SpringerBriefs in Applied Sciences and Technology, ISBN: 9789811961755, Springer Nature Singapore, Oct 2022.https://link.springer.com/book/10.1007/978-981-19-6176-2
2. C.S.Nikhil Kumar "Magnonic Devices: Numerical modelling and Micromagnetic Simulation Approach'', SpringerBriefs in Materials Series, ISBN: ISBN-978303122664-9, Springer Nature Switzerland, Feb 2023.https://link.springer.com/book/10.1007/978-3-031-22665-6

Google: http://scholar.google.com/citations?hl=en&user=eV7vOBcAAAAJ

Linkedin: https://www.linkedin.com/in/nikhil-kumar-c-s52266b1b3/

Orcid: https://orcid.org/0000-0003-3213-505X

Scopus: https://www.scopus.com/authid/detail.uri?authorId=57214110116

Vidwan: https://vidwan.inflibnet.ac.in/profile/603434

• "Design and Development of Biocompatible Microwave Hyperthermia Applicator for Breast Cancer Treatment", Faculty Research Grant, National Institute of Technology Calicut, India (internal Funded Project, 5 Lakhs), Duration 1 year-- Principal Investigator
• "Development of Multilayer Carbon Metapatterns for High-Performance Broad-Band Electromagnetic Shielding Applications", (External Funded Project, Research Grant-Rs:31.33 Lakhs, Organizations- Aeronautical Research and Development Board(AR&DB), Defence Research Development and Organizations,(DRDO),India)-External Project, Aug 2024, Duration 3 year- Principal Investigator
• “Development of Smart and Flexible Optical Solar Reflectors for Advanced Spacecraft Thermal Control” (External Funded Project, Research Grant-Rs:48.31 Lakhs, Organizations- Space Technology Pannel, Aeronautical Research and Development Board(AR&DB), Defence Research Development and Organizations,(DRDO),India)-External Project, June 2026, Duration 3 year- Principal Investigator
• Institute MoU between National Institute of Technology Calicut and Adam Mickiewicz University Poznan Poland, Institute of Spintronics and Quantum Informations- 28-10-2024
• Institute of Spintronics and Quantum Informations, Adam Mickiewicz University, Poznan Poland- Visiting Researcher

B.Tech Students

• Aman Syed, Chandu Guthavelli, Debojyoti Bhattacharya, Jatoth Naveen Kumar-Exploring 21 CM wavelength Radio Antennas: Set up and Versitle Applications, 2024
• Abhinav Vinod E P, Abhishek, Ajmal Shehzad T, Irfan Muhammed Sageer- Antenna Array Optimization for Breast Cancer Hyperthermia Treatment, Abhinav-Direct PhD, IIT Bombay, 2024
• Dokala Charan Babu, Perugu Mahaveera, Putla Ajel, Redy VushnuTej, CMOS Circulator for RF Applications, 2025
• Aswin Prakash, Gautam Gangadhar, Oliver Kadambatt, Sanju George, Cryogenic CMOS Circulator for Quantum Applications, 2025

1- EC2022D-Electromagnetic Field Theory(Winter 2023, Winter 2024)

2- EC4012D Radiation and Antenna Theory(Monsson 2023, Monsoon 2024)

3- EC4065D Radio Frequency Circuits(Monsoon 2024)

4- EC6104E-Electromagnetic Compatibility(Winter 2024)-Jointly with Dr. Suja K J

1. Teaching Assistantship and Recognition Award -July- Dec 2014-IIT Madras
2. Teaching Assistantship and Recognition Award -Jan- July 2015-IIT Madras

M.Tech Scholars

• Akhil P Sanu- Spin Torque Induced Magnonic Phase Shifter, QIP Candidate, Govt. Polytechnique Lecturer, 2024
• Aswin C Venu-Enhanced Electrical Modelling of Spin Transfer Torque Magnetic Tunnel Junctions with Temperature Dependent Magnetic Parameters,- Placed in Intel, 2024
• Abin Francis-Spin Flash Analog to Digital Converter,- Placed in Sasken Communications,  2024
• Vinayak Kumar Tripathi-TeraHertz Finger Print Detection with ultra sensitivity using 1D Photonic Crystal Cavity, Placed in Leka Wireless for 5G Communication, 2025
• RupamJyothi Basumatary-Neuromorphic Computing with Spintronic Oscillators, 2025
• Abhijith Sivan-Ongoing Jointly supervised with Dr. Murali K P, Synethesis and Characterization of a Low Dielectric, Low loss Flexible Substrate For Microstrip Patch Antenna with Application in Parkinson's Disease, 2025

• Hema Sai-Ongoing

• Prince Kumar -Ongoing

• Suman K- Ongoing

• Thejus-Ongoing

• Justin Jose(External)-Advanced RF and Microwave Devices, Magnonics, Spintronics, Quantum Technologies
• Arun N S(External)- RF and Microwaves, Jointly supervised with Dr. Murali K P
•  Divya S(External)-Quantum Dots, Jointly supervised with Dr. Gopi Krishna S

If you are interested in working with me, please send your C.V. to me at nikhilkumarcs@nitc.ac.in.  I am looking for motivated and interested B.Tech., M.Tech., and Ph.D. candidates.