Information
Room No:
305
+91-870-2462580
vijay@nitw.ac.in
https://sites.google.com/view/vijaykumarnitw/
Bio Sketch
Key Notes
- Journal(s): 29
- Conference(s): 29
- Book Chapter(s): 1
- PhD: Current - 3 Awarded - 1
- Event(s) Organized: FDP - 2
59
PUBLICATIONS4
DOCTORAL STUDENTS4
PROJECTS1
PATENTResearch Areas
Intelligent Optics, Deep learning, Optical Angular Momentum
Quantum Optics, Spatial-mode Quantum Entanglement
Singular Optics, Fiber Optics, Nano-Optics
Spin-Orbit interactions, Structured light-matter interaction
EDUCATION QUALIFICATION
| Degree | Institute | Year |
|---|---|---|
| Doctor of Philosophy | University of Hyderabad | 2015 |
| Master of Science | University of Mysore | 2008 |
| Bachelor of Science | Karnatak University | 2006 |
COURSES HANDLED
| Course | L-T-P | Credit | Degree Level |
|---|---|---|---|
| Classical Mechanics(PH25001) | 3-0-0 | 3 | UG |
| Artificial Intelligence and Machine Learning(PH6224) | 3-0-0 | 3 | PG |
| Artificial Intelligence(PHI252) | 3-0-0 | 3 | UG |
| Fractal Course-1(PH17082) | 1-0-0 | 0.5 | PG |
| Fourier Optics and Holography(PH5353) | 3-0-0 | 3 | PG |
| MATLAB for Photonics(PH5363) | 3-0-0 | 3 | PG |
| Fourier Optics and Holography(PH17016) | 3-0-0 | 3 | PG |
| Engineering Physics(PH133) | 3-0-0 | 3 | UG |
RESEARCH IDs
ORC ID
Google Scholar ID
PUBLICATIONS
Journal(s)
Roadmap on singular optics and its applications,
By Ganesh M. Balasubramaniam, Srinivasa Rao Allam, Vijayakumar Anand, Md. Haider Ansari, Francis Gracy Arockiaraj, Shlomi Arnon, Purnesh Singh Badavath, Mansi Baliyan, Petr Bouchal, Zdeněk Bouchal, Sakshi Choudhary, Ahmed H. Dorrah, Yuxiang Duan, Kelsey Everts, Andrew Forbes, Matthew R. Foreman, Darius Gailevičius, Akanksha Gautam, Greg Gbur, Shivasubramanian Gopinath, Narmada Joshi, Saulius Juodkazis, Olga Korotkova, Kaupo Kukli, Judy Kupferman, Praveen Kumar, Ravi Kumar, Vijay Kumar, Gokul Manavalan, Ayush Mehra, Naveen K. Nishchal, Takashige Omatsu, Cade Peters, Andra Naresh Kumar Reddy, Salla Gangi Reddy, Valeria Rodríguez-Fajardo, Carmelo Rosales-Guzmán, Joseph Rosen, Sarita, Allarakha Shikder, Rakesh Kumar Singh, Xinzhou Su, Aile Tamm, Ganesh Velagala, Petr Viewegh, Eulàlia Puig Vilardell, Alan E. Willner, Agnes Pristy Ignatius Xavier, Amit Yadav & Huibin Zhou ,
Springer Nature,
Appl. Phys. B ,
vol.132,
pp.58,
2026
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
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
Astigmatic speckle‑learned OAM shift keying and OAM multiplexing,
By Trishita Das, Manas Ranjan Pandit, Venugopal Raskatla, Purnesh Singh Badavath and Vijay Kumar*,
Spinger,
J. Opt.,
vol.54,
pp.1937,
2025
Experimental realization of optical communication link with intensity degenerate orbital angular momentum beams,
By Chayanika Sharma, Purnesh Singh Badavath and Vijay Kumar,
Spinger,
J. Opt.,
vol.54,
pp.3080,
2025
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
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
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
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
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
Dynamical charge inversion of polarization correlation vortex in propagating vector speckle field,
By Himangi J. Pandit, Vijay Kumar*, and R. P. Singh,
IOP Publishing,
J. Optics,
vol.24,
pp.064005,
2022
Tunable ultraslow light propagation in ruby,
By Satchi Kumari, Vijay Kumar, S. G. Reddy and R.P.Singh,
Elsevier,
Opt. Comm.,
vol.473,
pp.125913,
2020
Optical-vortex diagnostics via Fraunhofer slit diffraction with controllable wavefront curvature,
By A. Bekshaev, L. Mikhaylovskaya, S. Patil, Vijay Kumar and R. P. Singh,
Optica Publiching ,
J. Opt. Soc. Am. A,
vol.37,
pp.780,
2020
Transition from two-photon absorption to saturable absorption in gold patterned ruby thin film,
By Satchi Kumari, Shompa Kumari, Avesh Kumar, Vijay Kumar and R.P. Singh,
Elsevier,
Optik,
vol.182,
pp.186,
2019
Optical orbital angular momentum read-out using a self-assembled plasmonic nanowire,
By Deepak K. Sharma, Vijay Kumar, Adarsh B. Vasista, Diptabrata Paul, Shailendra K. Chaubey and G. V. Pavan Kumar,
ACS Publications,
ACS Photonics,
vol.6,
pp.148,
2019
Spin-Hall effect in the scattering of structured light from plasmonic nanowire,
By Deepak K. Sharma, Vijay Kumar*, Adarsh B. Vasista, Shailendra K. Chaubey, and G. V. Pavan Kumar,
Optica Publishing,
Optics Letters,
vol.43,
pp.2474,
2018
Scattering of Poincaré beams: polarization speckles,
By Gangi Reddy Salla, Vijay Kumar, Yoko Miyamoto, and R. P. Singh,
Optica,
Optics Express,
vol.25,
pp.19886,
2017
Topological structures in vector speckle fields,
By Vijay Kumar, Bruno Piccirillo, Salla Gangi Reddy, and R. P. Singh,
Optica Publishinh,
Optics Letters,
vol.42,
pp.466,
2017
Structuring Stokes correlation functions using vector-vortex beam,
By Vijay Kumar*, Ali Anwar and R. P. Singh,
IOP Publishing,
Journal of Optics,
vol.20,
pp.015604,
2017
Generation of isolated asymmetric umbilics in light's polarization,
By Enrique J. Galvez, Brett L. Rojec, Vijay Kumar and Nirmal K. Viswanathan,
APS,
Physical Review A,
vol.89,
pp.031801(R),
2014
Topological structures in vector-vortex beam fields,
By Vijay Kumar and Nirmal K. Viswanathan,
Optica Publishing,
Journal of the Optical Society of America B,
vol.31,
pp.A40,
2014
Formation and morphological transformation of polarization singularities: hunting the monstar,
By Vijay Kumar, Geo M Philip and Nirmal K Viswanathan,
IOP Publishing,
Journal of Optics,
vol.15,
pp.044027,
2013
The Pancharatnam–Berry phase in polarization singular beams,
By Vijay Kumar and Nirmal K Viswanathan,
IOP Publishing,
Journal of Optics,
vol.15,
pp.044026,
2013
Topological structures in the Poynting vector field: an experimental realization,
By Vijay Kumar and Nirmal K. Viswanathan,
Optica Publishing,
Optics Letters,
vol.38,
pp.3886,
2013
Plasmon-mediated vectorial topological dipole: formation and annihilation,
By Shankar Pidishety, Vijay Kumar, and Nirmal K. Viswanathan,
Optica Publishing,
Optics Letters,
vol.37,
pp.4233,
2012
Manifestation of the Gouy phase in vector-vortex beams,
By Geo M. Philip, Vijay Kumar, Giovanni Milione, and Nirmal K. Viswanathan,
Optica Publishing,
Optics Letters,
vol.37,
pp.2667,
2012
Dynamic evolution of transverse energy flow in focused asymmetric optical vector-vortex beams,
By Vijay Kumar, V.V.G. Krishna Inavalli and Nirmal K. Viswanathan,
Elsevier,
Optics Communications,
vol.285,
pp.4866,
2012
Conference(s)
Progression of OAM Recognition from Spatial to Temporal Domain
By Purnesh Singh Badavath, Chayanika Sharma and Vijay Kumar,
Optica Laser Congress Congress 2025,
2025
Machine learning meets Singular Optics II: single-pixel detection of structured light
By Purnesh Singh Badavath, Vijay Kumar,
Correlation Optics (COR 2025),
2025
Mapping 2D Spatial Orbital Angular Momentum Information of Light to 1D Spatial and Temporal Domain
By Vijay Kumar & Purnesh Singh Badavath,
APS Global Physics Summit 2025,
2025
Speckle-learned Complex Coefficient Prediction of superposed Orbital Angular Momentum States of Light
By Chayanika Sharma and Vijay Kumar,
APS Global Physics Summit 2025,
2025
Speckle-learned Regression of Orbital Angular Momentum Superpositions
By Chayanika Sharma, Venugopal Raskatla, and Vijay Kumar,
Laser Congress 2024 (ASSL, LAC, LS&C),
2024
Angular Dependent Classification Accuracy of Hermite-Gaussian Speckle Field
By Purnesh Singh Badavath and Vijay Kumar,
Frontiers in Optics + Laser Science 2024 (FiO, LS),
2024
Classification of Intensity Degenerate Experimental OAM Speckles via Astigmatic Transformation
By Chayanika Sharma, Purnesh Singh Badavath and Vijay Kumar,
85th Japan Society of Applied Physics (JSAP) Autumn Meeting 2024,
2024
Machine Learning assisted Structured Light Demultiplexing using Nanostructures
By Purnesh Singh Badavath, Chayanika Sharma, P Supraja, Rakesh Kumar R, and Vijay Kumar,
Conference on Lasers and Electro-Optics (CLEO 2024),
2024
Machine learning meets singular optics: speckle-based structured light demultiplexing
By Venugopal Raskatla, Purnesh Singh Badavath, Vijay Kumar,
International Conference Correlation Optics (COR 2023),
2023
Classification of OAM Speckle Field from Fresnel to Fraunhofer Region
By Purnesh Singh Badavath, Manas Ranjan Pandit, and Vijay Kumar,
Frontiers in Optics + Laser Science 2023 (FiO, LS),
2023
Speckle-learned Demultiplexing of Intensity Degenerate Laguerre Gaussian Beams
By Trishita Das, Manas Ranjan Pandit, Purnesh Singh Badavath, and Vijay Kumar,
Speckle-learned Demultiplexing of Intensity Degenerate Laguerre Gaussian Beams,
2023
Enhancing Classification Accuracy of Intensity Degenerate Orbital Angular Momentum modes through Astigmatism Induced by Tilted Spherical Lens
By Manas Ranjan Pandit, Trishita Das, Purnesh Singh Badavath and Vijay Kumar,
The 84th JSAP Autumn Meeting 2023,
2023
Hermite-Gaussian Superposition Modes for Speckle-Guided Demultiplexing of Information
By Trishita Das, Manas Ranjan Pandit, Purnesh Singh and Vijay Kumar,
The 84th JSAP Autumn Meeting 2023,
2023
Non-Line-of-Sight Optical Communication using 1D Speckle Information
By Purnesh Singh Badavath; Venugopal Raskatla; Himangi J. Pandit; Vijay Kumar,
2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC),
2023
Hermite-Gaussian Beams Classification based on 1D Speckle Information using 1D Convolutional Neural Network
By Purnesh Singh and Vijay Kumar,
Optica Advanced Photonics Congress 2022,
2022
1D CNN Empowered Speckle-based non-line-of-sight Communication using Hermite-Gaussian modes
By Purnesh Singh Badavath and Vijay Kumar,
Frontiers in Optics + Laser Science 2022 (FIO, LS),
2022
Deep Learning assisted Recognition of Perfect Optical Vortices through Astigmatic Transformed Speckle Patterns
By Venugopal Raskatla and Vijay Kumar,
Frontiers in Optics + Laser Science 2022 (FIO, LS),
2022
Deep learning assisted OAM modes demultiplexing
By Venugopal Raskatla and Vijay Kumar,
Fifteenth International Conference on Correlation Optics,
2021
Deep Learning Assisted Classification of Noisy Laguerre Gaussian Modes
By Venugopal Raskatla and Vijay Kumar,
Frontiers in Optics + Laser Science 2021,
2021
Dynamical Charge Inversion of Polarization Correlation Vortex Propagating through a Cylindrical Lens
By Himangi J. Pandit, Vijay Kumar, and R. P. Singh,
Frontiers in Optics 2021,
2021
Charge inversion of polarization correlation vortex
By Himangi J. Pandit, Vijay Kumar, R. P. Singh,
Fifteenth International Conference on Correlation Optics,
2021
Far-field slit diffraction and express diagnostics of optical vortices
By Aleksandr Bekshaev, Aleksandr Akhmerov, Vijay Kumar, R. P. Singh, Satyajeet Patil,
Fourteenth International Conference on Correlation Optics, 2019,
2019
Scattering of vector vortex beams: polarization speckles
By Salla Gangi Reddy, Vijay Kumar, R. P. Singh, and Yoko Miyamoto,
Asia Communications and Photonics Conference 2016,
2016
Is Monstar topologically the same as lemon?
By Vijay Kumar, Nirmal K. Viswanathan,
SPIE OPTO, 2015,
2015
Pancharatnam-Berry phase optical elements for generation and control of complex light: generalized superelliptical q-plates
By Bruno Piccirillo, Vijay Kumar, Lorenzo Marrucci, E. Santamato,
SPIE OPTO, 2015,
2015
Topological aspects of polarization structured beams
By Vijay Kumar, Nirmal K. Viswanathan,
SPIE OPTO, 2014,
2014
Polarization singularities and fiber modal decomposition
By Vijay Kumar, Nirmal K. Viswanathan,
SPIE OPTO, 2013,
2013
Poynting Vector of Complex Optical Fields
By Vijay Kumar and Nirmal K. Viswanathan,
Frontiers in Optics 2013,
2013
Plasmon-mediated Vectorial Topological Dipole
By Shankar Pidishety, Vijay Kumar, and Nirmal K. Viswanathan,
Frontiers in Optics 2012,
2012
Book Chapter(s)
Artificial Intelligence in the Phytoremediatio n of Emerging Contaminants
By Abin Sebastian, Purnesh Singh Badavath, Vijay Kumar, Michael Hippler, Fayisa T S Thalappallil, Naja Fathima, Haripriya Alfeena T. N in
Bioremediation of Emerging Contaminants,
Elsevier,
.,
2026
Patent(s)
SYSTEM AND METHOD FOR ORBITAL ANGULAR MOMENTUM (OAM) STATE RECOGNITION USING SINGLE-PIXEL DETECTION IN MULTIMODE FIBERS (202641001593)
PROJECT / CONSULTANCY
Data-driven quantification of spatial-mode quantum entanglement using photon time-stamps
Role:
Principal Investigator
Type: Research
Sponsor: ANRF
Project Cost (INR): 9660000
Date of Commencement: 18-12-2025
Duration: 36 Months
Status: Ongoing
Type: Research
Sponsor: ANRF
Project Cost (INR): 9660000
Date of Commencement: 18-12-2025
Duration: 36 Months
Status: Ongoing
Development of a Robust AI-Driven Multi-modal Noncontact SHM Framework using Laser Speckle and Acoustic Diagnostics
Role:
Co-Principal Investigator
Type: Research
Sponsor: ANRF
Project Cost (INR): 8743000
Date of Commencement: 18-12-2025
Duration: 36 Months
Status: Ongoing
Type: Research
Sponsor: ANRF
Project Cost (INR): 8743000
Date of Commencement: 18-12-2025
Duration: 36 Months
Status: Ongoing
Machine learning assisted structured light demultiplexing using nanostructures
Role:
Principal Investigator
Type: Research
Sponsor: SERB
Project Cost (INR): 1784686
Date of Commencement: 13-12-2021 Date of Completion: 12-12-2023
Duration: 24 Months
Status: Completed
Type: Research
Sponsor: SERB
Project Cost (INR): 1784686
Date of Commencement: 13-12-2021 Date of Completion: 12-12-2023
Duration: 24 Months
Status: Completed
Singular Optics Meets Nano-Optics: Plasmonic Vector-vortex field
Role:
Principal Investigator
Type: Research
Sponsor: SERB
Project Cost (INR): 1786415
Date of Commencement: 20-06-2017 Date of Completion: 20-06-2019
Duration: 24 Months
Status: Completed
Type: Research
Sponsor: SERB
Project Cost (INR): 1786415
Date of Commencement: 20-06-2017 Date of Completion: 20-06-2019
Duration: 24 Months
Status: Completed
RESEARCH FELLOWS / PhD STUDENTS
Current PhD Students
Mr. Ravikiran Jadi
Area of Research:
Machine learning for Structured light Applications
Ms. Chayanika Sharma
Area of Research:
Deep Learning Applications in Optics
Santosh Barik
Area of Research:
Quantum information processing
Previous PhD Students
Mr. Purnesh Singh Badavath
(2025)
Area of Research:
Speckle-learned structured light recognition in space & time
CONFERENCE / WORKSHOP / SYMPOSIUM / SHORT TERM COURSE / FACULTY DEVELOPMENT PROGRAMME / GIAN
Faculty Induction Programme
01-Dec-2025
→
29-Dec-2025
Event Type:
Faculty Development Programme
Role: Coordinator
Funding Agency: UGC-MMTTC
Role: Coordinator
Funding Agency: UGC-MMTTC
NEP Orientation and Sensitization Program” With focus on Skill Development and Entrepreneurship
19-Feb-0006
→
27-Feb-2026
Event Type:
Faculty Development Programme
Role: Coordinator
Funding Agency: UGC-MMTTC
Role: Coordinator
Funding Agency: UGC-MMTTC
AWARDS AND ACCOLADES
2025
Optics in 2025
2023
Optics in 2023
2022
Optics in 2022
2019
PBC Postdoctoral Fellowship
2017
NPDF
2010
CSIR-JRF
ADDITIONAL RESPONSIBILITIES
- New Academic Programme Committe (Continuing from August, 2025)
- Faculty & Officers club member (Continuing from July, 2025)
- NEP Committee member (Continuing from August, 2023)
- Faculty Advisor (Continuing from July, 2023)
Last updated on May 10, 2026