R. K. Varshney

Indian Agricultural Research Institute — India

Engineering · Physical Sciences

26h-index2.1kcitations168works1.92yr avg
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Research Topics

Photonic and Optical Devices(72), Optical Network Technologies(46), Photonic Crystal and Fiber Optics(42), Advanced Fiber Optic Sensors(40), Metamaterials and Metasurfaces Applications(33)

Publications168 total

Laser-Driven Sun-Like Full-Spectrum Lighting for High-Fidelity Bright Illumination via Spectrally Engineered Color Converters
ACS Applied Electronic Materials·2025
Polarization‐Dependent Radiative Loss Engineering for Unidirectional Reflection in Terahertz Metasurfaces
Advanced Materials Technologies·2025
Laser-driven multiple phosphor-converted sunlike full-spectrum white light sources for illumination applications
Optics Letters·2025· 3 cited
Adaptability of rice to different planting methods: A proof of cumulative transcriptional memory
Plant Gene·2025
Broad and flat supercontinuum source (ranging from wavelengths 2.5 μm to 8 μm) using honeycomb microstructured fiber
Journal of Optics·2024
Development of waste glass frits-based phosphor in glass system for solid-state lighting with high thermal stability
Bulletin of Materials Science·2024· 8 cited
External defect immune high quality resonances in microwave topological ring resonator
Journal of Physics D Applied Physics·2024· 6 citedOpen Access
Simplified Terahertz Wideband Metamaterial Absorber
Lecture notes in electrical engineering·2024
Barrier immune microwave propagation in topological ring resonator
2024Open Access
Magnetotransport‐Induced Non‐Contact Terahertz Detection of Weak Magnetic Fields in Optically Thin Frequency‐Agile Superlattice Metasurfaces (Advanced Optical Materials 12/2023)
Advanced Optical Materials·2023· 2 citedOpen Access
Actively tunable graphene ribbon based multi-band THz polarizer with a high extinction ratio
Journal of the Optical Society of America B·2023· 11 cited
Magnetotransport‐Induced Non‐Contact Terahertz Detection of Weak Magnetic Fields in Optically Thin Frequency‐Agile Superlattice Metasurfaces
Advanced Optical Materials·2023· 12 cited
Wideband Coplanar Terahertz Metamaterial Absorber
2023
Design and Optimization of Graphene Based Broadband Terahertz Polarizer with a High Extinction Ratio
2023· 1 cited
Effect of Split ring resonator on transmission characteristics of Dipole Metacavities
2023· 1 cited
Real-time monitoring of toxic CS<sub>2</sub> with high concentrations using a suitable terahertz photonic crystal fiber
Journal of the Optical Society of America B·2022· 2 cited
High Quality Fano Resonance in Graphene-based Terahertz Metamaterial
2022 IEEE Photonics Conference (IPC)·2022
Resonant toroidal metasurface as a platform for thin-film and biomaterial sensing
Applied Optics·2022· 4 cited
Generation and beam shaping of THz radiation in an actively modulated nonlinear crystal
Optics Communications·2022· 3 cited
Minimizing Radiative Losses Via Interaction of Dark States in Terahertz Metamaterials
2022
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Frequent Co-authors

Subhajit Karmakar(12), Dibakar Roy Chowdhury(10), Bipul Pal(9), Bishnu P. Pal(8), Somnath Ghosh(8), Arun Kumar(6), Deepak Kumar(5), K. Thyagarajan(4), Ajanta Barh(4), Govind P. Agrawal(4), Sunil Kumar(3), B. Nagaraju(3), Sukhvinder Kaur(3), P. Palai(2), A. K. Ghatak(2), Babita Kumari(2), Arun Kumar(2), Sabyasachi Banerjee(2), Girish Kamble(2), Vikas Kumar(2)