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Prof. Sourabh Roy

PhD (IIT Kharagpur)

Professor

Department of Physics

Room No: PH307 +91-870-2462579
sroy@nitw.ac.in
8332969474 Edit Profile Bio Sketch

Research Areas

 Photonics, Waveguide Optics, Fiber Optic sensors and Device

  • Courses Handled
  • Research IDs
  • Selected Publications
  • Project/Consultancy
  • Current PhD Students
  • Awards and Accolades
  • Additional Responsibilities
  • Optoelectronic Sensing and MOEMS(PH6301)
  • Optical Physics Laboratory(PH16007)
  • Illuminations and Lighting Systems(PH6324)
  • Optoelectronic Sensing Laboratory(PH6303)
  • Optical System Design(PH5351)
  • Engineering Physics(PH1161)
  • Non Linear Optics and Devices(PH5268)
  • Optical System Design Laboratory(PH5354)
  • Advanced Optical System Design(PH6314)
  • Lasers in Manufacturing Technology(PH5121)
  • Optics Laboratory(PH4104)
  • Fourier Optics and Holography(PH5353)
  • Optical Instruments Laboratory(PH5355)
  • Quantum Optics(PH447)
  • Physics Laboratory for Mechanical Engineering(PH182)
  • Physics for Mechanical Engineering(PH181)
  • ORC ID: 0000-0002-8034-7367
  • ISI Researcher ID: P-8255-2018
  • SCOPUS ID: 56308762700
  • Google Scholar ID: 6ZHjTb0AAAAJ


  • Machine learning approach with higher accuracy for simultaneous measurement of the dual parameter by MSM fiber structure, By Kousrav Dey, V Nikhil, Sourabh Roy, Elsevier, Measurement , vol., pp., 2023
  • Weight-location recognition in a plastic optical fiber using a convolutional neural network, By Nikhil Vangety, Koustav Dey, Sourabh Roy, Elsevier, Optical Fiber Technology, vol., pp., 2023
  • Demonstration of a fast-training feed-forward machine learning algorithm for studying key optical properties of FBG and predicting precisely the output spectrum, By Koustav Dey, V Nikhil, PR Chaudhuri, Sourabh Roy, Springer, Optical and Quantum Electronics , vol., pp., 2023
  • Detailed investigation of spectral properties of SMS Fiber Segment and its sensing performance under varying multimode fiber lengths, By Koustav Dey, Sourabh Roy , Pergamon, Infrared Physics and Technology , vol., pp., 2023
  • Analyzing specklegrams of plastic optical fiber using convolutional neural network for weight recognition, By N Vangety, K Dey, SK Ghosh, Sourabh Roy, SPIE, Optical Engineering, vol., pp., 2022
  • High-Resolution All-Optical Imaging of Multimode Profiles in a Saturated Absorption Medium, By Onkar Nath Verma and Sourabh Roy, IEEE, IEEE Journal of Quantum Electronics, vol., pp., 2019
  • Analyzing spectral properties and sensing performance of multi-single-multi mode fiber combination, By Koustav Dey, Sourabh Roy, , IOP Publishing, Physica Scripta , vol., pp., 2022
  • Analyzing characteristics of spiral vector beams generated by mixing of orthogonal LP11 modes in a few-mode optical fiber , By C. Hari Krishna & Sourabh Roy, Optica, Applied Optics, vol., pp., 2018
  • Diffuse Reflectance Illumination Module Improvements in Near-Infrared Spectrometer for Heterogeneous Sample Analysis, By Umachandi M, SRoy, Ramesh D, IEEE, IEEE Access , vol., pp., 2022
  • Machine learning approach for simultaneous measurement of strain and temperature using FBG sensor,” , By Koustav Dey, Nikhil Vangety, Sourabh Roy , Elsevier, Sensors and Actuators: A Physical, vol., pp., 2021

Stable Generation of Optical Vortex Beams using Long Period Grating inscribed Few-Mode Optical Fiber

  • Role Principal Investigator
  • Type Research
  • Sponsor SERB
  • Duration 38 Months
  • Project Cost (INR) 3900000
  • Status Completed

Development of Distributed Photonic Sensor for Simultaneous and Real-time Measurements of Strain and Temperature in Fusion Reactor Relevant Applications

  • Role Principal Investigator
  • Type Research
  • Sponsor BRNS
  • Duration 38 Months
  • Project Cost (INR) 2900000
  • Status Completed


Anirban Majee

  • Area of Research: Development of Fiber Optic Cascade device

Nikhil Vangeti

  • Area of Research: Deep Learning analysis on Fiber Optic Sensor

Pooja P M

  • Area of Research: Vector vortex beams for imaging applications
  • Award of Excellence
  • Visiting Researcher
  • Head, Department of Physics (Continuing from January, 2025)