High-efficiency spoof plasmon polariton coupler mediated by gradient metasurfaces

Jiafu Wang; Shaobo Qu; Hua Ma; Zhuo Xu; Anxue Zhang; Hang Zhou; Hongya Chen; Yongfeng Li

doi:10.1063/1.4767219

High-efficiency spoof plasmon polariton coupler mediated by gradient metasurfaces

Jiafu Wang
, Shaobo Qu
, Hua Ma
, Zhuo Xu
, Anxue Zhang
, Hang Zhou
, Hongya Chen
, Yongfeng Li

电子与信息学部

Air Force Engineering University Xian
Xi'an Jiaotong University

科研成果: 期刊稿件 › 文章 › 同行评审

175 引用（Scopus）

摘要

Gradient metasurfaces (GMs) can provide pre-defined wave vectors that are along the surface of GMs. When the additional wave vector is greater than that of incident waves, the incident waves can be coupled efficiently as spoof plasmon polaritons (SPPs) even under normal incidence. In this Letter, the design of SPP couplers was proposed based on GMs. A high-efficiency SPP coupler was designed using split-ring resonators. Both the simulation and experiment show that the GM can achieve nearly perfect SPP-coupling under normal incidence at the designed frequency.

源语言	英语
文章编号	201104
期刊	Applied Physics Letters
卷	101
期	20
DOI	https://doi.org/10.1063/1.4767219
出版状态	已出版 - 12 11月 2012

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AU - Qu, Shaobo

AU - Ma, Hua

AU - Xu, Zhuo

AU - Zhang, Anxue

AU - Zhou, Hang

AU - Chen, Hongya

AU - Li, Yongfeng

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AB - Gradient metasurfaces (GMs) can provide pre-defined wave vectors that are along the surface of GMs. When the additional wave vector is greater than that of incident waves, the incident waves can be coupled efficiently as spoof plasmon polaritons (SPPs) even under normal incidence. In this Letter, the design of SPP couplers was proposed based on GMs. A high-efficiency SPP coupler was designed using split-ring resonators. Both the simulation and experiment show that the GM can achieve nearly perfect SPP-coupling under normal incidence at the designed frequency.

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High-efficiency spoof plasmon polariton coupler mediated by gradient metasurfaces

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