Research Interest

Applied Optics (Techniques and applications of light shaping and sensing)

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Laboratory Website

  Professional Experience

• Assistant Professor, IIT Bhilai, May 2023- Present
• Postdoctoral Fellow, University of Houston, USA, 2022-2023
• Visiting Scholar & JSPS Fellow, Chiba University, Japan, 2021-2022

  Academic Background

• PhD, IIT Patna, 2021
• MSc, NIT Jamshedpur, 2017
• BSc, St. Xavier's College Ranchi, 2015

  Awards

• Best PhD Thesis Award 2021 by Optical Society of India at IIT Delhi
• KVRSS Research Award 2022 by Dr. K.V. Rao Scientific Society
• PhD Thesis Presentation Award by RIC 2022 at IIT Guwahati
• Best Poster Award by RSD 2020 at IIT Patna
• Best Poster Award by OSI-ISO 2018 at IIT Kanpur

  Professional Memberships

• Optical Society of India (OSI)
• Optica, formerly Optical Society of America (OSA)
• Association for Research in Vision and Ophthalmology (ARVO)
• Indian JSPS Alumni Association

  Selected Publications

• Kumar P, Rao AS, Omatsu T, Generation of V-point polarization singularity using single phase encoding with a spatial light modulator, Scientific Reports, 2023, 13, 1-7.
• Kumar P, Nishchal NK, Omatsu T, Rao AS, Self-referenced interferometry for single-shot detection of vector-vortex beams, Scientific Reports, 2022, 12, 1-11.
• Kumar P, Nishchal NK, AlFalou A, Color image encryption using vectorial light field through a compact optical set-up, Journal of Optics, 2022, 24, 064017.
• Kumar P, Nishchal NK, Omatsu T, Rao AS, Optical vortex array for two-dimensional exclusive-OR operation,' Applied Physics B, 2022, 128, 98.
• Kumar P, Nishchal NK, AlFalou A, Controllable Optical Vortex Array for Image Encoding, IEEE Photonics Technology Letters, 2022, 34, 521-524.
• Kumar P, Nishchal NK, Formation of singular light fields using phase calibrated spatial light modulator, Optics and Lasers in Engineering, 2021, 146, 106720.
• Kumar P, Nishchal NK, Array formation of optical vortices using in-line phase modulation, Optics Communications, 2021, 493, 127020.
• Kumar P, Fatima A,Nishchal NK, Arbitrary vector beam encoding using single modulation for information security applications, IEEE Photonics Technology Letters 2021 33, 243-246.
• Kumar P, Nishchal NK, Phase response optimization of a liquid crystal spatial light modulator with partially coherent light, Applied Optics, 2021, 60, 10795-10801.
• Kumar P, Pal SK, Nishchal NK, Senthilkumaran P, Formation of Polarization Singularity Lattice through Dual-phase Modulation, Journal of Optics, 2020, 22, 115701.
• Kumar P, Pal SK, Nishchal NK, Senthilkumaran P, Non-interferometric technique to realize vector beams embedded with polarization singularities, Journal of the Optical Society of America A, 2020, 37, 1043-1052.
• Kumar P, Nishchal NK, Self-referenced interference of laterally displaced vortex beams for topological charge determination, Optics Communication, 2020, 459, 125000.
• Kumar P, Nishchal NK, Self-referenced spiral interferogram using modified lateral shearing Mach-Zehnder interferometer, Applied Optics, 2019, 58, 6827-6833.
• Kumar P, Nishchal NK, Modified Mach-Zehnder interferometer for determining the high- order topological charge of Laguerre-Gaussian vortex beams, Journal of the Optical Society of America A, 2019, 36, 1447-1455.
• Kumar P, Fatima A, Nishchal NK, Image encryption using phase-encoded exclusive-OR operations with incoherent illumination, Journal of Optics, 2019, 21, 065701.
• Kumar P, Nishchal NK, Enhanced exclusive-OR and quick response code-based image encryption through incoherent illumination, Applied Optics, 2019, 58, 1408-1412.