Dr. Ravi S. Hegde Profile

Dr. Ravi S. Hegde

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Publications (5)

SPIE Journal Paper | 31 July 2023

Deep learning aids simultaneous structure–material design discovery: a case study on designing phase change material metasurfaces

Soumyashree Panda, Sushil Kumar, Devdutt Tripathi, Ravi Hegde

JNP, Vol. 17, Issue 03, 036006, (July 2023) https://doi.org/10.1117/12.10.1117/1.JNP.17.036006

KEYWORDS: Design and modelling, Education and training, Deep learning, Crystals, Mathematical optimization, Data modeling, Optical filters, Nanophotonics, Performance modeling, Evolutionary optimization

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SPIE Journal Paper | 21 January 2023

Optimally designed tunable phase change material-based narrowband perfect absorber

Devdutt Tripathi, Ravi Hegde

JNP, Vol. 17, Issue 01, 016004, (January 2023) https://doi.org/10.1117/12.10.1117/1.JNP.17.016004

KEYWORDS: Reflection, Absorption, Crystals, Silica, Crystallization, Silver, Thermography, Chalcogenides, Switching, Resonators

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SPIE Journal Paper | 19 October 2022

Enhancing light emission near low-refractive-index contrast nanostructures via mirror-symmetry breaking

Hardik Vyas, Amit Kumar, Ravi Hegde

JNP, Vol. 16, Issue 04, 046001, (October 2022) https://doi.org/10.1117/12.10.1117/1.JNP.16.046001

KEYWORDS: Polymers, Cladding, Silicon, Nanostructures, Plasmonics, Luminescence, Dielectrics, Absorption, Light sources, Near field

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Proceedings Article | 5 March 2022 Presentation + Paper

A learning-based approach for metasurface design beyond the unit-cell approximation

Soumyashree Panda, Ravi Hegde

Proceedings Volume 12010, 1201005 (2022) https://doi.org/10.1117/12.2615755

KEYWORDS: Diffraction, Neural networks, Nanophotonics, Error analysis, Data modeling, 3D modeling, Scattering

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SPIE Journal Paper | 12 October 2017

Bilayered nanoantenna design improves the performance of silicon metasurfaces in the visible-wavelength region

Krupali Donda, Ravi Sadananda Hegde

JNP, Vol. 11, Issue 04, 046002, (October 2017) https://doi.org/10.1117/12.10.1117/1.JNP.11.046002

KEYWORDS: Nanoantennas, Silicon, Transmittance, Magnetism, Dielectrics, Refractive index, Particles, Plasmonics, Scattering, Wavefronts

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