Principal Investigator
Office: +91-1881-232472
Office: A-315, Department of Physics, Super Academic Block, IIT Ropar
Postdoctoral Fellow (October 2025-present)
neethukpgm@gmail.com
Research topic: Structured light laser
PhD student (August 2021-present)
Research topic: Controlled structured light with exotic characteristics
Publications:
A. Kumari, and V. Pal, "Enhanced abrupt autofocusing and depth-of-focus of circular Airy derivative beams via controlled asymmetry" Under review (2026).
A. Kumari, and V. Pal, Optics Communications 607, 132923 (2026).
A. N. Jena, T. Hayward, A. Kumari, A. Majumder, J. S. Devara, R. Menon, K. P. Singh, and V. Pal, Optics Letters 50, 4670 (2025).
A. Kumari, V. Dev, and V. Pal, Optics & Laser Technology 183, 112319 (2025).
A. Kumari, V. Dev, T. M. Hayward, R. Menon, and V. Pal, Journal of Applied Physics 136, 113105 (2024).
A. Kumari, V. Dev, and V. Pal, Optics & Laser Technology 168, 109837 (2024).
PhD student (January 2022-present)
Research topic: Complex spatio-temporal dynamics in multimode fibers
Publications:
L. K. Sharma, and V. Pal, "Influence of refractive index distribution on multimode soliton dynamics and condensation in GRIN-MMFs" arXiv:2605.02511 [Submitted (2026)]
L. K. Sharma, and V. Pal, Optics Communications 602, 132772 (2026).
L. K. Sharma, and V. Pal, Optical Fiber Technology 88, 103985 (2024).
PhD student (January 2023-present)
rajneesh.22phz0011@iitrpr.ac.in
Research topic: Quantum inspired coherent optical computing
Publications:
R. Fulara, F. Bretenaker, and V. Pal, "Feedback-driven ground-state search in coupled laser arrays," arXiv:2602.18368 [under review].
PhD student (August 2023-present)
Research topic: Generation and characterization of complex light.
Publications:
A. N. Jena, T. Hayward, A. Kumari, A. Majumder, J. S. Devara, R. Menon, K. P. Singh, and V. Pal, Optics Letters 50, 4670 (2025).
PhD student (July 2025-present)
Research topic: Degenerate cavity lasers
PhD student (July 2025-present) [jointly with Prof. C. S. Yadav, IIT Mandi]
Research topic: Flat optics based structured light
Prof. Fabien Bretenaker, Director of CNRS-LuMIN, University of Paris-Saclay, Gif-Sur-Yvette, France, visited our research group during 18-27 March 2026.
Prof. Fabien Bretenaker, Director of CNRS-LuMIN, University of Paris-Saclay, Gif-Sur-Yvette, France, visited our research group during 16-20 December 2024.
Dr. Nadia Belabas, Researcher at the Centre de Nanosciences et de Nanotechnologies (C2N) of the Centre national de la recherche scientifique (CNRS), France, visited our research group during 16-20 December 2024.
Dr. Andra Naresh Kumar Reddy, Research Assistant Professor, Materials Research Center, American University of Sharjah, UAE, visited our research group during 08 August-05 September 2024.
Prof. Fabien Bretenaker, Director of CNRS-LuMIN, University of Paris-Saclay, Gif-Sur-Yvette, France, visited our research group during 27 Fbruary-04 March 2023.
Dr. Andra Naresh Kumar Reddy, Senior Researcher, Laboratory of Nonlinear Optics, University of Latvia, Latvia, visited our research group during 01-10 November 2022.
PhD student (August 2018 - June 2023). [Current status: Postdoctoral fellow, National University of Singapore, Singapore]
2018phz0007@iitrpr.ac.in, dvasu0012@gmail.com
Thesis title: Generation and characterization of spatially controlled structured light with exotic propagation properties.
Publications:
A. Kumari, V. Dev, and V. Pal, Optics & Laser Technology 183, 112319 (2025).
A. Kumari, V. Dev, T. M. Hayward, R. Menon, and V. Pal, Journal of Applied Physics 136, 113105 (2024).
A. Kumari, V. Dev, and V. Pal, Optics & Laser Technology 168, 109837 (2024).
A. N. K. Reddy, V. Dev, V. Pal, and R. A. Ganeev, Photonics 11, 14 (2024).
V. Dev, and V. Pal, Physical Review Applied 20, 034071 (2023).
S. Singh, V. Dev, and V. Pal, Journal of Optics 24, 125601 (2022).
V. Dev, A. N. K. Reddy, and V. Pal, Journal of Optical Society of America B 39, 2254-2263 (2022).
V. Dev, A. N. K. Reddy, Andrey V. Ustinov, S. N. Khonina, and V. Pal, Physical Review Applied 16, 014061 (2021).
V. Dev, and V. Pal, Journal of Optical Society of America B 38, 3683 (2021).
V. Dev, A. N. K. Reddy, and V. Pal, Optics Communications 475, 126226 (2020).
M.Sc. student (August 2024- present)
Research topic: Probing collective behavior of active systems using laser speckles.
M.Sc. student (August 2024- present)
Research topic: Development of novel efficient methods for laser marking.
Summer Intern (May 2024- July 2024)
B.Tech in Engineering Physics, Indian Institute of Technology Guwahati, Asaam, India
Research topic: Detection of arbitrary surface deformation using structured light
M.Sc. student (August 2023-May 2024)
Research topic: Investigating dynamics of active particles with laser speckles
Summer Intern (May 2023- July 2023)
B.Tech in Engineering Physics, Indian Institute of Technology Guwahati, Asaam, India
Research topic: Detection of arbitrary surface deformation using structured light.
Current Status: Pursuing master program at Abbe School of Photonics, Jena, Germany.
MSc student (Aug 2022- May 2023) [Current status: Pursuing PhD in Ariel University, Israel]
Master thesis topic: Dissipative topological defects in phase-locked semiconductor laser arrays
Publications:
S. Karuseichyk, V. Pal, S. Sahoo, G. Beaudoin, I. Sagnes, and F. Bretenaker, Optics Express 31, 41713 (2023).
MSc student (Aug 2022- May 2023)
Master thesis topic: Detection of arbitrary surface deformations with structured light
Current status: Teaching staff at Akash Institution, Delhi.
MSc student (Aug 2021- July 2022)
Master thesis topic: Simulating spin systems with coupled lasers
Current status: Pursuing integrated PhD program in the framework of Max Planck School of Photonics at the Friedrich-Alexander-Universität Erlangen-Nürnberg, Bavaria, Germany.
MSc student (Aug 2021-July 2022)
Master thesis topic: High resolution imaging with structured light
She is an intern student in my group from May 2022 - March 2023.
She received an offer for PhD program from Prof. Andrew Forbes, University of the Witwatersrand, Johannesburg, South Africa.
Summer Intern
Integrated M.Sc in Photonics,
International School of Photonics, Cochin University of Science and Technology, Cochin, kerla, India.
Master student (2020-2021). Current status: Pursuing PhD with Prof. Andrew Forbes at University of the Witwatersrand, Johannesburg, South Africa.
Master thesis topic: Spatio-temporal effects in multimode fibers
He also did internship from May 2021-Jan 2022, and worked on experimental and theoretical study of asymmetric aberration laser beams.
Publications:
S. Singh, V. Dev, and V. Pal, Journal of Optics 24, 125601 (2022).
MSc student (2020-2021)
Master thesis topic: Propagation properties of structured light
MSc student (2019-2020)
Master thesis topic: Structured light beams and their applications
Pursuing Ph.D. at IIT Kanpur.
MSc student (2018-2019)
2017phs1010@iitrpr.ac.in, karmenderkumar@gmail.com
Master thesis topic: Dynamics of phase locking in coupled laser networks
MSc student (2018-2019)
Master thesis topic: Generating twisted light beams using holographic method