Research Area

Optical Filters & Sensors, Bragg Grating (BG), High-Contrast BG, Micro-Optical Ring Resonators, Photonic Integrated Circuit (PIC) Design & Z-domain Analysis.
AI-Enabled Drone Surveillance and Coordinated Operations (Continue).

Education

 Ph.D. in Electrical Engineering (Aug. 2019 – Feb. 26)
Indian Institute of Technology (Indian School of Mines), Dhanbad
• Dissertation Title: Modelling and Performance Analysis of High-Contrast Bragg Grating Embedded Multi-Bus Micro Optical Ring-Resonator Devices in the Z Domain.
 M. Tech. in Instrumentation Engineering (2017-19)
National Institute of Technology, Silchar
• Dissertation Title: Fault Diagnosis in Bearings and Gears of Rotating Machinery Using Machine Learning Techniques.
 B. Tech. in Instrumentation Control Engineering
West Bengal University of Technology (Renamed as MAKAUT), WB

Experience

Research Scholar at IIT Dhanbad 2019 – 2025
• Research Area:
High-Contrast Bragg Grating, Micro-Optical Ring-Resonator Devices (Filters & Sensors), and PICs.
• Teaching Assistant:
Served as a Laboratory Teaching Assistant at IIT (ISM) Dhanbad for over 4 years, supporting UG laboratory courses in Network Theory, Control Systems, Measurement and Instrumentation, and PLC-based Automation (Ladder Logic). Additionally, I conducted problem-solving sessions on Linear Control Systems and the Z-Transform.
• Assistant Professor
at SIMATS Engineering, Chennai April – June 2026
Department of Electrical & Electronics Engineering (EEE)
• Assistant Professor
at COEP Technological University (Formerly College of Engineering Pune), Pune July 2026 – Cont.
Dept. of Instrumentation and Control Engineering (ICE)

Publish Journals

1. 1. S. Saha and S. Mandal, “Z-domain modelling and performance analysis of high contrast grating embedded micro-optical double ring-resonance filters”, Optical and Quantum Electronics, vol. 56, no. 10, p. 1664, ,Oct. 2024. DOI: https://link.springer.com/article/10.1007/s11082-024-07497-y
   2. S. Saha and S. Mandal, “Z-domain Transfer Function Extraction and Opti-FDTD Verification of High-Contrast Grating”, ,Journal of Optics, pp.1-9, Sept. 2025. DOI: http://link.springer.com/article/10.1007/s12596-025-02842-0
   3. S. Saha and S. Mandal, “π-phase-shift High-Contrast Bragg Grating Embedded Micro-Optical SRR Filter: Z-domain Modelling and Spectral Analysis”, Optics Communications, , ,vol. 595, p. 132353, Aug. 2025. DOI: https://www.sciencedirect.com/science/article/pii/S0030401825008818?via%3Dihub
   4. S. Saha and S. Mandal, “High Contrast Grating Embedded Multi-Bus Micro-Optical Triple Ring-Resonated Temperature Sensor Design and Simulation”,,Optik, vol. 327, p. 172276, May 2025. DOI: https://www.sciencedirect.com/science/article/pii/S0030402625000646?via%3Dihub