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Observation of Extraordinary SHG from All-Dielectric Nanoantennas Governed by Bound States in the Continuum

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Koshelev, Kirill; Kruk, Sergey; Choi, Jae-Hyuck; Melik-Gaykazyan, Elizaveta; Smirnova, Daria; Park, Hong-Gyu; Kivshar, Yuri

Description

We observe record-high efficiency of the second-harmonic generation from AIGaAs nanoantennas fabricated on a transparent substrate and pumped with structured light. The engineered nanoantennas exhibit high-quality optical resonances governed by quasi-bound states in the continuum.

CollectionsANU Research Publications
Date published: 2019
Type: Conference paper
URI: http://hdl.handle.net/1885/202088
Source: Proceedings of the 2019 Conference on Lasers and Electro-Optics, CLEO 2019
Access Rights: Open Access

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