Journals

1. P. Agilandeswari, G. T. Raja and R. Rajasekar, “Deep Learning Based Inverse Design of Nanoscale Optical Bandpass Filter for Sub-THz 6G Network”, IEEE Transactions on Nanotechnology, vol. 24, pp. 347-355, 2025 (IF:2.5).

2. P. Agilandeswari, G. Thavasi Raja, R. Rajasekar and R. Parthasarathy, “Deep Learning-Based Prediction of Multifunctional Photonic Crystal Ring Resonator With Ultra High-Quality Factor,” IEEE Journal on Multiscale and Multiphysics Computational Techniques, vol. 10, pp. 295-303, 2025 (IF:1.5).

3. P. Selvam, R. Rajasekar, C. Gunasundari, S. Janu Priya, M. Murugappan and M. E. H. Chowdhury, “An Advanced Defect Detection on PCB Surfaces Using Improved YOLOv11 Algorithm,” IEEE Access, vol. 13, pp. 143085-143101, 2025 (IF:3.6).

4. M. Shahi, B. Jafari, F. Bahloul, M. Soroosh, R. Rajasekar, H. Mondal and E. Adibnia, “Compact and Efficient NAND Logic Gate Based on Photonic Crystal Cavity,” Journal of the Optical Society of America B, vol. 42, pp.2010-2018, 2025 (IF:1.9).

5. P. Agilandeswari, G. Thavasi Raja, and R. Rajasekar, “Ultrafast reconfigurable optical switch and tunable bandpass filter based on silicon photonic crystal waveguides”, Journal of the Optical Society of America B, vol. 42, pp.1342-1349, 2025 (IF:1.9).

6. R. Rajasekar, “Numerical Investigation of Nanoresonator Based Ultra Narrow-Band Photonic Filters,” IEEE Transactions on Nanotechnology, vol. 23, pp.188-194, 2024 (IF: 2.5).

7. T. Beni Steena, R. Asokan and R. Rajasekar, “Ultrafast Optical Encoder Using Photonic Crystal Ring Resonator”, Taylor & Francis-Fiber & Integrated Optics, vol. 42, pp.245-255,2024. (IF:2.3)

8. Elizabeth Caroline, K. Bhuvaneshwari and R. Rajasekar, “Photonic Crystal–Based Nanoscale Multipurpose Biosensor for Detection of Brain Tumours, HIV and Anemia with High Sensitivity”, Springer-Plasmonics, vol.19, pp.2687-2703,2024. (IF: 3.3).

9. F. Haddadan, M. Soroosh and R. Rajasekar, “Design and simulation of the charge layer effect on the Schottky junction characteristics using an ensemble Monte Carlo model. Springer-Journal of Computational Electronics, vol.24, pp.1-10, 2024. (IF: 2.2).

10.   P Agilandeswari, K Girish, R Rajasekar, G Thavasi Raja, R Periyasamy, “Coupled Nanoring Resonators Based Reconfigurable and Multifunctional Platform for Integrated Photonics Circuits,” IEEE- Journal of Selected Topics in Quantum Electronics, vol. 28, pp.1-9, 2022 (IF: 4.68).

11. R. Rajasekar, G. Thavasi Raja, and S. Robinson, “Numerical Analysis of Reconfigurable and Multifunctional Barium Titanate Platform Based on Photonic Crystal Ring Resonator,” IEEE Transactions on Nanotechnology, vol.20, pp.282-291, 2021 (IF: 2.5).

12. R. Rajasekar, and G. Thavasi Raja, “Ultrafast reconfigurable nanoscale optical switch based on photonic crystal waveguide,” SPIE-Optical Engineering, vol.59, pp. 1-10,2020 (IF:1.25).

13. R. Rajasekar, G. Thavasi Raja, and S. Robinson, “Numerical Investigation of Reconfigurable Photonic Crystal Switch Based on Phase Change Nanomaterial,” IEEE Transactions on Nanotechnology, vol.19, pp.545-552, 2020 (IF: 2.25).

14.   R. Rajasekar, G. Thavasi Raja “High Speed Nano-Optical Encoder Using Photonic Crystal Ring Resonator”, Springer-Photonic Network Communications, vol.40, pp.31-39,2020 (IF: 1.32).

15. R. Rajasekar and S. Robinson, “Nano-Optical Filter Based on Multicavity Coupled Photonic Crystal Ring Resonator”, Elsevier-Physica E-Low Dimensional System and nanostructures, vol.114, pp.113591-113598, 2019 (IF: 3.176).

16. R. Rajasekar and S. Robinson, “Nano-Optical Switch Based on Photonic Crystal Ring Resonator”, Springer-Plasmonics, vol.10, pp.1-13, 2019 (IF: 2.926).

17. R. Rajasekar and S. Robinson, “Ultra-Contrast Ratio Optical Encoder Using Photonic Crystal Waveguide”, Elsevier-Materials Letters, vol.251, pp.144-147, 2019 (IF: 3.019).

18. R. Rajasekar and S. Robinson, “Nano-Pressure and Temperature Sensor Based on Hexagonal Photonic Crystal Ring Resonator”, Springer-Plasmonics, vol.1, pp.3-15, 2019 (IF: 2.36).

19. R. Rajasekar and S. Robinson, “Nano-Channel Drop Filter Using Photonic Crystal Ring Resonator for DWDM Systems”, American Scientific-Journal of Nanoelectronics and Optoelectronics, vol.14, pp.753-758, 2019 (IF: 1.06).

20. R. Rajasekar and S. Robinson, “Nano-electric field sensor based on Two-Dimensional Photonic Crystal resonator”, Elsevier-Optical Materials, vol.85, pp.474-482, 2018. (IF: 2.32).

21. R. Rajasekar and S. Robinson, “Trapezoid 2D Photonic Crystal Nanoring Resonator-Based Channel Drop Filter for WDM Systems”, Springer-Photonic Network Communications, vol.36, pp.230-245, 2018. (IF: 1.22).

22. M. Maleki, M. Soroosh and R. Rajasekar, “Design of a compact all-optical plasmonic switch based on a nonlinear resonator for use in the third telecommunication window. Quarterly Journal of Optoelectronic,” vol 7, 55-63, 2024.

23. F. Haddadan, M. Soroosh and R. Rajasekar, “Analysis and Simulation of The Schottky Junction Using an Ensemble Monte Carlo Model,” Journal of Optoelectronical Nanostructures,” vol.9, pp.1- 11, 2024.

24. V. Senthamizhselvan, R. Ramachandran, R. Rajasekar, “Performance Analysis of DWDM-Based Fiber Optic Communication with Different Modulation Schemes and Dispersion Compensation Fiber”, International Journal of Research in Engineering, vol.03, pp.287-290, 2014.

CONFERENCES

1. L. Akila, B. Balambika, V. Y. Dharun and R. Rajasekar “Photonic Crystal Ring Resonator Based High Speed Optical Switch,” IEEE International Conference on Next Generation Electronics, VIT- Vellore, Tamil Nadu, India, pp. 1-3, 2023

2. E. Gokul, R. Kishore Kumar and R. Rajasekar, “Nanoscale Optical Bandpass Filter for Lightwave Communication Network,” IEEE International Conference on Next Generation Electronics, VIT- Vellore, Tamil Nadu, India, pp. 1-3, 2023.

3. L. Akila, R. Rajasekar, J. Anandpushparaj and S. Aditya, “Reconfigurable Optical Switch Based on Photonic Crystal Ring Resonator, “International Conference on Innovation and Technological Development SRM Institute of Science and Technology, Chennai, India, pp. 77-80, 2023

4. R. Rajasekar and G. Thavasi Raja, “High Speed Optical Switch Based on Photonic Crystal Resonator,” IEEE International Conference on Nanotechnology, Canada, pp. 378-381, 2020.

5. R. Rajasekar, and G. Thavasi Raja, “Photonic Crystal Optical Switch Based on Phase Change Material,” IEEE International Conference on Nanotechnology, Canada, pp. 378-381, 2020.

6. R. Rajasekar, “Ultra-wideband signal transmission through radio over fiber system”, National conference on Recent Advances in Embedded systems and VLSI, Sudharsan Engineering College, Pudukkottai, Tamil Nadu, India, 2011. 

7. R. Rajasekar, A. Sivanantharaja, “Performance evolution of MB-OFDM UWB wireless system over optical fiber link,” International conference on Recent Advances in e-communication and technology, Anand Institute of Higher Technology, Chennai, Tamil Nadu, India, 2010.

8. R. Rajasekar, A. Sivanantharaja, “Performance evolution of MB-OFDM UWB wireless system over optical fiber link,” National conference on Microwave and Optical Communication, Alagappa Chettiar College of Engineering and Technology, Karaikudi, Tamil Nadu, India, 2010.

Book Chapter

1. R. Rajasekar, G. Thavasi Raja and S. Robinson, “Photonic Crystal Based Sensors for Biosensing Applications,” in the text book title Advanced in Photonic Crystals and Devices, Taylor and Francis- CRC press, Chapter 10, pp.161-209, 2019.

2. R. Athilingam, R. Rajasekar, “Wearable Technology and Internet of Things (IoT) in Healthcare: Advancing Remote Monitoring, Personalized Medicine, and Intelligent Health Systems,” in the text book title Cambridge Scholars Publishing, Chapter 09,2026.

Patent

1. S. Jeevanantham, S. Krishnakumar, R. Rajasekar, and M. Mathankumar, "Drift-Aware TinyML MLP with Elastic Weight Consolidation for Continual IoT Environmental and Industrial Monitoring," Patent Published.

● Recipient of HTRA Scholarship from MHRD, India for the period 2019 to 2022.

● Recipient of Best Paper Award for the International Conference on ITDECC- 2023, organized by SRM IST Ramapuram Campus, Chennai.

FDP/ STTP Attended Details 

Number of FDP/ STTPs Attended: (02)

11.07.2022 to 15.07.2022 Five days Online Faculty Development Programme on Biomedical Electronics and Telemedicine conducted by NITTTR Chennai

04.07.2022 to 08.07.2022 Five Days Online Faculty Development Programme on Solar PV Partial Shading Mitigation Techniques and its Applications conducted by National Institute of Technology, Goa

Conference Attended Details

Number of Conferences Attended: (01)

Attended & Presented Paper at IEEE Internationa Conference on Next Generation Electroncis organized by VIT Vellore from 11.11.2023 to 13.11.2023

Academic Experience

Total years of Academic Experience: 11.2 Years

Assistant Professor, Department of ECE, Trichy Campus, SRM Institute of Science and Technology (formerly known as SRM University), Tamil Nadu, (June 2022 – Current).

Assistant Professor, Department of ECE, Krishnasmy college of Engineering and Technology , Cuddalore, Tamil Nadu, (05.07.2010 to 31.06.2019).

Research Experience

Total years of Research Experience: 2 .11 Years

Research Scholar,Department of ECE, National Institute of Technology, Tiruchirappalli, Tamil Nadu, (01.07.2019 to 18.05.2022)

Industry Experience

Total years of Industry Experience: 1 Year

 Quality Engineer, General Connectors India Pvt. Ltd, Pondicherry, (June 2006 – June 2007).

● Life Member – IAENG

● Life Member – ISTE (LM-82737)

Research Grant

Project Title:  An Intelligent Age of Information (AoI)-Based Unmanned Aerial Vehicle (UAV)-Assisted Wireless Powered Sensor (IoT) Networks for Disaster Management

Funding Amount: Rs. 2,00,000

Scheme: Seed Grant-Selective Excellence Research Initiative

NIL