Multistate Tuning of Third Harmonic Generation in Fano‐Resonant Hybrid Dielectric Metasurfaces (Adv. Funct. Mater. 48/2021)

Multistate Tuning In article number 2104627, Renshaw Wang, Qi Jie Wang, Hong Liu, and co‐workers demonstrate multistate tuning of third‐harmonic generation via hybrid nonlinear metasurfaces. The metasurfaces consisting of GST–silicon split ring resonators offer a large third‐order nonlinearity in th...

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Bibliographic Details
Published in:Advanced functional materials 2021-11, Vol.31 (48), p.n/a
Main Authors: Abdelraouf, Omar A. M., Anthur, Aravind P., Dong, Zhaogang, Liu, Hailong, Wang, Qian, Krivitsky, Leonid, Renshaw Wang, Xiao, Wang, Qi Jie, Liu, Hong
Format: Article
Language:English
Subjects:
Fano resonance
Ge 2Sb 2Te 5
Harmonic generations
hybrid metasurfaces
Materials science
Metasurfaces
multistate tuning
Nonlinearity
phase change
third harmonic generation
Tuning
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Summary:Multistate Tuning In article number 2104627, Renshaw Wang, Qi Jie Wang, Hong Liu, and co‐workers demonstrate multistate tuning of third‐harmonic generation via hybrid nonlinear metasurfaces. The metasurfaces consisting of GST–silicon split ring resonators offer a large third‐order nonlinearity in the visible range. A high Q‐factor Fano resonance of up to 125 is experimentally achieved together with a third‐harmonic conversion efficiency of 2.9 × 10−6% at a peak pump density of 1.7 GW cm2.
ISSN:1616-301X
1616-3028
DOI:10.1002/adfm.202170356