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17 March 2023 Excitons in nanophotonic landscapes: fluctuating, diffusing, annihilating
Alberto G. Curto
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Proceedings Volume PC12425, Smart Photonic and Optoelectronic Integrated Circuits 2023; PC124250O (2023) https://doi.org/10.1117/12.2653910
Event: SPIE OPTO, 2023, San Francisco, California, United States
Abstract
Excitons in atomically thin semiconductors are sensitive to their electronic and photonic environments. Therefore, they exhibit rich exciton dynamics. They are confined in the vertical direction while extending and diffusing along the atomically thin plane. Excitons can also interact with each other, notably to reduce light emission at high densities through exciton-exciton annihilation. Furthermore, their fluorescence is affected by their nanoscopic environment. Here we present our experimental and theoretical results on the fluctuation, diffusion, and annihilation of excitons near nanostructures. Our results have implications for exciton-based sensors, single-photon sources based on 2D materials, and efficient and high-power light-emitting devices.
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Alberto G. Curto "Excitons in nanophotonic landscapes: fluctuating, diffusing, annihilating", Proc. SPIE PC12425, Smart Photonic and Optoelectronic Integrated Circuits 2023, PC124250O (17 March 2023); https://doi.org/10.1117/12.2653910
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KEYWORDS
Excitons
Nanophotonics
Diffusion
Environmental sensing
Luminescence
Nanostructures
Semiconductors
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