NDLI: Generalized nonlinear Snell's law at χ(2) modulated nonlinear metasurfaces: anomalous nonlinear refraction and reflection.

Content Provider	Semantic Scholar
Author	Zhang, Jing Zhao, Xiaohui Zheng, Yuanlin Chen, Xianfeng
Copyright Year	2019
Abstract	The generalized nonlinear Snell's law at the χ(2) modulation surface is deduced from the universal model of χ(2) processes in nonlinear photonic crystals (NPhCs). Based on the generalized nonlinear Snell's law, the anomalous refraction and reflection geometries are predicted and observed at crystal's inner boundary on nonlinear metasurfaces formed by one-dimensional NPhCs. The emitted second harmonic is observed, which obeys the law and appears to turn into multiple orders compared to that in a bulk crystal. Furthermore, the analysis shows a potential way to achieve nonlinear over-reflection by using submicron periodic χ(2) modulation in metasurfaces.
Starting Page	431
Ending Page	434
Page Count	4
File Format	PDF HTM / HTML
DOI	10.1364/OL.44.000431
Alternate Webpage(s)	http://olab.physics.sjtu.edu.cn/papers/2019/01.%20JingZhang_OL_2019.pdf
PubMed reference number	30644918
Alternate Webpage(s)	https://doi.org/10.1364/OL.44.000431
Journal	Medline
Volume Number	44
Issue Number	2
Journal	Optics letters
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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Generalized nonlinear Snell's law at χ(2) modulated nonlinear metasurfaces: anomalous nonlinear refraction and reflection.