Highly Efficient Wave-Front Reshaping of Surface Waves with Dielectric Metawalls

doi:10.1103/PhysRevApplied.9.014032

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	Highly Efficient Wave-Front Reshaping of Surface Waves with Dielectric Metawalls
	Dong, S. H.; Zhang, Y.; Guo, H. J.; Duan, J. W.; Guan, F. X.; He, Q.; Zhao, H. B.; Zhou, L.; Sun, S. L.
	2018
发表期刊	Physical Review Applied
ISSN	2331-7019
卷号	9 期号:1 页码:9
摘要	Controlling the wave fronts of surface waves (including surface-plamon polaritons and their equivalent counterparts) at will is highly important in photonics research, but the available mechanisms suffer from the issues of low efficiency, bulky size, and/or limited functionalities. Inspired by recent studies of metasurfaces that can freely control the wave fronts of propagating waves, we propose to use metawalls placed on a plasmonic surface to efficiently reshape the wave fronts of incident surface waves (SWs). Here, the metawall is constructed by specifically designed meta-atoms that can reflect SWs with desired phases and nearly unit amplitudes. As a proof of concept, we design and fabricate a metawall in the microwave regime (around 12 GHz) that can anomalously reflect the SWs following the generalized Snell's law with high efficiency (approximately 70%). Our results, in excellent agreement with full-wave simulations, provide an alternative yet efficient way to control the wave fronts of SWs in different frequency domains. We finally employ full-wave simulations to demonstrate a surface-plasmon-polariton focusing effect at telecom wavelength based on our scheme.
关键词	plasmon polaritons transformation optics meta-surfaces propagation reflection metamaterials metasurfaces elements Physics
DOI	10.1103/PhysRevApplied.9.014032
收录类别	SCI
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/60688
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	Dong, S. H.,Zhang, Y.,Guo, H. J.,et al. Highly Efficient Wave-Front Reshaping of Surface Waves with Dielectric Metawalls[J]. Physical Review Applied,2018,9(1):9.
APA	Dong, S. H..,Zhang, Y..,Guo, H. J..,Duan, J. W..,Guan, F. X..,...&Sun, S. L..(2018).Highly Efficient Wave-Front Reshaping of Surface Waves with Dielectric Metawalls.Physical Review Applied,9(1),9.
MLA	Dong, S. H.,et al."Highly Efficient Wave-Front Reshaping of Surface Waves with Dielectric Metawalls".Physical Review Applied 9.1(2018):9.

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