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Enhanced Magnetic Second-Harmonic Generation from Resonant Metasurfaces

Kruk, Sergey; Weismann, M; Bykov, A Yu; Mamonov, EA; Kolmychek, IA; Murzina, TV; Panoiu, NC; Neshev, Dragomir; Kivshar, Yuri

Description

We study, both experimentally and theoretically, the second-order nonlinear response from resonant metasurfaces composed of metal-dielectric nanodisks. We demonstrate that by exciting the resonant optical modes of the composite nanoparticles we can achieve strong enhancement of the second-harmonic signal from the metasurface. By employing a multipole expansion method for the generated second-harmonic radiation, we show that the observed SHG enhancement is due to the magnetic dipolar and...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
URI: http://hdl.handle.net/1885/98505
Source: ACS Photonics
DOI: 10.1021/acsphotonics.5b00215

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