Modified Mach–Zehnder interferometer for determining the high-order topological charge of Laguerre–Gaussian vortex beams P Kumar, NK Nishchal JOSA A 36 (8), 1447-1455, 2019 | 69 | 2019 |
Self-referenced interference of laterally displaced vortex beams for topological charge determination P Kumar, NK Nishchal Optics Communications 459, 125000, 2020 | 40 | 2020 |
Non-interferometric technique to realize vector beams embedded with polarization singularities P Kumar, SK Pal, NK Nishchal, P Senthilkumaran JOSA A 37 (6), 1043-1052, 2020 | 39 | 2020 |
Enhanced exclusive-OR and quick response code-based image encryption through incoherent illumination P Kumar, NK Nishchal Applied Optics 58 (6), 1408-1412, 2019 | 36 | 2019 |
Formation of singular light fields using phase calibrated spatial light modulator P Kumar, NK Nishchal Optics and Lasers in Engineering 146, 106720, 2021 | 35 | 2021 |
Controllable optical vortex array for image encoding P Kumar, NK Nishchal, A AlFalou IEEE Photonics Technology Letters 34 (10), 521-524, 2022 | 33 | 2022 |
Arbitrary vector beam encoding using single modulation for information security applications P Kumar, A Fatima, NK Nishchal IEEE Photonics Technology Letters 33 (5), 243-246, 2021 | 30 | 2021 |
Image encryption using phase-encoded exclusive-OR operations with incoherent illumination P Kumar, A Fatima, NK Nishchal Journal of Optics 21 (6), 065701, 2019 | 30 | 2019 |
Self-referenced spiral interferogram using modified lateral shearing Mach–Zehnder interferometer P Kumar, NK Nishchal Applied Optics 58 (25), 6827-6833, 2019 | 25 | 2019 |
Image encryption by structured phase encoding and its effectiveness in turbulent medium A Shikder, P Kumar, NK Nishchal IEEE Photonics Technology Letters 35 (3), 128-131, 2022 | 18 | 2022 |
Self-referenced interferometry for single-shot detection of vector-vortex beams P Kumar, NK Nishchal, T Omatsu, AS Rao Scientific Reports 12 (1), 17253, 2022 | 18 | 2022 |
Phase response optimization of a liquid crystal spatial light modulator with partially coherent light P Kumar, NK Nishchal Appl. Opt 52, 2610-2618, 2021 | 18 | 2021 |
Array formation of optical vortices using in-line phase modulation P Kumar, NK Nishchal Optics Communications 493, 127020, 2021 | 17 | 2021 |
Narrowing of electromagnetically induced transparency by using structured coupling light in 85Rb atomic vapor medium VS Chauhan, R Kumar, D Manchaiah, P Kumar, RK Easwaran Laser Physics 30 (6), 065203, 2020 | 14 | 2020 |
Optical vortex array for two-dimensional exclusive-OR operation P Kumar, NK Nishchal, T Omatsu, AS Rao Applied Physics B 128 (5), 98, 2022 | 9 | 2022 |
Polarization-encoded fully-phase encryption using transport-of-intensity equation AK Gupta, P Kumar, NK Nishchal, A Alfalou Electronics 10 (8), 969, 2021 | 9 | 2021 |
Effect of replacing sand by iron ore tailings on the compressive strength of concrete and flexural strength of reinforced concrete beams PWP Kumar, MB Ananthayya, K Vijay Int. J. Eng. Res. Technol 3, 1374-1376, 2014 | 9 | 2014 |
Color image encryption using vectorial light field through a compact optical set-up P Kumar, NK Nishchal, A Alfalou Journal of Optics 24 (6), 064017, 2022 | 8 | 2022 |
Formation of polarization singularity lattice through dual-phase modulation P Kumar, SK Pal, NK Nishchal, P Senthilkumaran Journal of Optics 22 (11), 115701, 2020 | 6 | 2020 |
Generation of V-point polarization singularity using single phase encoding with a spatial light modulator P Kumar, AS Rao, T Omatsu Scientific Reports 13 (1), 315, 2023 | 5 | 2023 |