Resonance-enhanced generation of optical harmonics from dielectric metasurfaces

Pavel Tonkaev; Fangxing Lai; Qinghai Song; Sergey Kruk; Kirill Koshelev; Yuri Kivshar

doi:10.1117/12.3015687

10 June 2024 Resonance-enhanced generation of optical harmonics from dielectric metasurfaces

Pavel Tonkaev, Fangxing Lai, Qinghai Song, Sergey Kruk, Kirill Koshelev, Yuri Kivshar

Proceedings Volume 12990, Metamaterials XIV; 129900E (2024) https://doi.org/10.1117/12.3015687
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

Nonlinear dielectric metasurfaces provide a promising platform to control and manipulate the optical frequency conversion at the nanoscale, suggesting new applications in imaging, lasing, and sensing. Here, we engage symmetry-broken silicon metasurfaces to enhance the second- and third-harmonic generation. We design and fabricate amorphous silicon metasurfaces supporting optical bound states in the continuum and guided-mode resonances, which greatly boost light-matter interaction resulting in several-order enhancements in both second-and third-harmonic generation.

Conference Presentation

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

Citation Download Citation

Pavel Tonkaev, Fangxing Lai, Qinghai Song, Sergey Kruk, Kirill Koshelev, and Yuri Kivshar "Resonance-enhanced generation of optical harmonics from dielectric metasurfaces", Proc. SPIE 12990, Metamaterials XIV, 129900E (10 June 2024); https://doi.org/10.1117/12.3015687

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