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3 August 2021 Tunable exciton-photonics in Van der Waals semiconductors
Deep Jariwala
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Proceedings Volume 11796, Active Photonic Platforms XIII; 1179607 (2021) https://doi.org/10.1117/12.2593846
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States
Abstract
This talk will discuss recent work on optical phenomena and photonic devices made from 2D chalcogenides (e.g., halide perovskites and carbon nanotubes) as well as 1D excitonic semiconductors. I will present how 1D nanostructuring of excitonic 2D semiconductors into nanophotonic dielectric gratings can enable exploration of new regimes of light-matter confinement including formation of hybrid exciton-plasmon-polariton states. This discussion will be extended to superlattices which are scalable over large areas. Further we will show that the light-matter hybridization persists in emission of direct gap 2D semiconductors such as hybrid halide pervoskites. Finally I will present our recent work on nanotubes and show dynamic tunability of their optical properties. I will conclude by giving a broad perspective on future prospects of 2D materials from fundamental science to applications.
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Deep Jariwala "Tunable exciton-photonics in Van der Waals semiconductors", Proc. SPIE 11796, Active Photonic Platforms XIII, 1179607 (3 August 2021); https://doi.org/10.1117/12.2593846
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KEYWORDS
Semiconductors
Dielectrics
Nanostructuring
Optical properties
Quantum electronics
Photovoltaics
Refractive index
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