Continuous Wave Second Harmonic Generation Enabled by Quasi-Bound-States in the Continuum on Gallium Phosphide Metasurfaces

Resonant metasurfaces are an attractive platform for enhancing the nonlinear optical processes, such as second harmonic generation (SHG), since they can generate large local electromagnetic fields while relaxing the phase-matching requirements. Here, we demonstrate visible range, continuous wave (CW...

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Veröffentlicht in:	Nano letters 2020-12, Vol.20 (12), p.8745-8751
Hauptverfasser:	Anthur, Aravind P, Zhang, Haizhong, Paniagua-Dominguez, Ramon, Kalashnikov, Dmitry A, Ha, Son Tung, Maß, Tobias W. W, Kuznetsov, Arseniy I, Krivitsky, Leonid
Format:	Artikel
Sprache:	eng
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