Enhanced upconversion vortex emission using bound state in continuum

Minsu Jeong; Junsuk Rho

doi:10.1117/12.3001304

13 March 2024 Enhanced upconversion vortex emission using bound state in continuum

Minsu Jeong, Junsuk Rho

Author Affiliations +

Proceedings Volume PC12896, Photonic and Phononic Properties of Engineered Nanostructures XIV; PC128961G (2024) https://doi.org/10.1117/12.3001304
Event: SPIE OPTO, 2024, San Francisco, California, United States

Conference Poster

Abstract

BIC is a promising resonant mode with attractive mode properties such as an infinite quality factor and a vortex far field pattern. UCNPs emit visible photons when they are excited by NIR photons. In this research, we design a BIC metasurface that wavelengths of the BICs are targeted to the NIR excitation wavelength and visible emission band of the UCNPs. As a result of the coupling between the photons and BICs, the vortex emission can be observed in the far-field and PL was significantly enhanced.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Minsu Jeong and Junsuk Rho "Enhanced upconversion vortex emission using bound state in continuum", Proc. SPIE PC12896, Photonic and Phononic Properties of Engineered Nanostructures XIV, PC128961G (13 March 2024); https://doi.org/10.1117/12.3001304

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