High-Radiance Upconversion Luminescence from Lanthanide-Doped Nanoparticles-Engineered Metasurface Supporting Bound States in the Continuum

Chiara Schiattarella,Silvia Romano,Luigi Sirleto,Vito Mocella,Ivo Rendina,Vittorino Lanzio,Fabrizio Riminucci,Stefano Cabrini,Liangliang Liang,Xiaogang Liu,Gianluigi Zito

Optica Advanced Photonics Congress 2022（2022）

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摘要

A giant enhancement of upconversion luminescence (UCPL) from an all-dielectric metasurface supporting bound states in the continuum (BICs) engineered with lanthanide-doped nanocrystals is herein demonstrated. The strong-coupling mechanism occurring at the edge of the photonic superstructure leads to an UCPL radiance enhancement of ~108.

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