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Prof. Vijay Kumar

PhD (University of Hyderabad)

Assistant Professor Gr-I

Department of Physics

Room No: 305   +91-870-2462580
vijay@nitw.ac.in Edit Profile Bio Sketch

Research Areas

 Deep learning, Optical Angular Momentum, Intelligent Optics  

 Nano-Optics, Singular Optics, Correlation Optics 

 Quantum Optics 

 Spin-Orbit interactions, Structured light-matter interaction 

  • Courses Handled
  • Research IDs
  • Selected Publications
  • Project/Consultancy
  • Current PhD Students
  • Awards and Accolades
  • Additional Responsibilities
  • Classical Mechanics(PH25001)
  • Artificial Intelligence and Machine Learning(PH6224)
  • Fourier Optics and OEPT laboratory(PH6304)
  • Mechanics, Waves and Oscillations Laboratory(PH2103)
  • Optics Laboratory(PHI202)
  • MATLAB for Photonics(PH5363)
  • Advanced Physics Laboratory(PHI351)
  • Fourier Optics and Holography(PH5353)
  • Artificial Intelligence(PHI252)
  • Engineering Physics(PH133)
  • ORC ID: https://orcid.org/0000-0001-5787-3038
  • Google Scholar ID: https://scholar.google.co.in/citations?user=7_0KAwYAAAAJ&hl=en


  • Mapping 2D spatial structured light information onto 1D temporal speckle sequences , By Purnesh Singh Badavath and Vijay Kumar , Optica Publishing Group, Journal of the Optical Society of America A, vol.42, pp.1425-1433, 2025
  • Single-pixel orbital angular momentum detection in temporal domain, By Purnesh Singh Badavath and Vijay Kumar, IOP Publishing, Journal of Optics (IoP), vol.27, pp.01LT01, 2025
  • 1D speckle-learned structured light recognition , By Purnesh Singh Badavath, Venugopal Raskatla, and Vijay Kumar , Optica Publishing Group , Optics Letters, vol.49, pp.1045-1048, 2024
  • Percussion-Assisted Laser Speckle Approach for Bolt Looseness Classification Using Deep Learning, By Nikesh Chelimilla, Purnesh Singh Badavath, Vijay Kumar, Srikanth Korla, The American Society of Mechanical Engineers, Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems, vol.8, pp.041007, 2025
  • Machine-learning-assisted orbital angular momentum recognition using nanostructures, By Chayanika Sharma, Purnesh Singh Badavath, P. Supraja, R. Rakesh Kumar, and Vijay Kumar*, Optica Publishing Group, Journal of the Optical Society of America A, vol.41, pp.1420, 2024
  • Speckle-based structured light shift-keying for non-line-of-sight optical communication, By Purnesh Singh Badavath, Venugopal Raskatla, T. Pradeep Chakravarthy, and Vijay Kumar , Optica publishing group, Applied Optics, vol.62, pp.G53-G59, 2023
  • Speckle-learned convolutional neural network for the recognition of intensity degenerate orbital angular momentum modes, By Venugopal Raskatla, Purnesh Singh Badavath, Vijay Kumar, SPIE, Optical Engineering, vol.62, pp.036104, 2023
  • Speckle-based deep learning approach for classification of orbital angular momentum modes , By Venugopal Raskatla, B. P. Singh, Satyajeet Patil, Vijay Kumar, and R. P. Singh , Optica Publishing Group, Journal of the Optical Society of America A, vol.39, pp.759-765, 2022
  • Convolutional networks for speckle-based orbital angular momentum modes classification, By Venugopal Raskatla, Purnesh Singh Badavath, Vijay Kumar, SPIE, Optical Engineering, vol.61, pp.036114, 2022

Machine learning assisted structured light demultiplexing using nanostructures

  • Role Principal Investigator
  • Type Research
  • Sponsor SERB
  • Duration 24 Months
  • Project Cost (INR) 1784686
  • Status Completed

Singular Optics Meets Nano-Optics: Plasmonic Vector-vortex field

  • Role Principal Investigator
  • Type Research
  • Sponsor SERB
  • Duration 24 Months
  • Project Cost (INR) 1786415
  • Status Completed


Mr. Purnesh Singh Badavath

  • Area of Research: Speckle-learned structured light recognition in space & time

Mr. Ravikiran Jadi

  • Area of Research: Machine learning for Structured light Applications

Ms. Chayanika Sharma

  • Area of Research: Deep Learning Applications in Optics
  • Faculty Advisor (Continuing from July, 2023)