Guided mode resonance in planar metamaterials consisting of two ring resonators with different sizes

被引：11

作者：

Yu, Zhen ^{[1
]}

Che, Hang ^{[1
]}

Liu, Jianjun ^{[1
]}

Jing, Xufeng ^{[1
]}

Li, Xiangjun ^{[1
]}

Hong, Zhi ^{[1
]}

机构：

[1] China Jiliang Univ, Ctr THz Res, Hangzhou 310018, Zhejiang, Peoples R China

来源：

CHINESE PHYSICS B | 2017年 / 26卷 / 07期

基金：

中国国家自然科学基金;

关键词：

metamaterials; terahertz; guided mode resonance;

D O I：

10.1088/1674-1056/26/7/077804

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We proposed and experimentally investigated a two-ring-resonator composed planar hybrid metamaterial (MM), in which the spectra of guided mode resonance (GMR) and Fano resonance or EIT-like response induced by coherent interaction between MM resonance and GMR can be easily controlled by the size of the two rings in the terahertz regime. Furthermore, a four-ring-resonator composed MM for polarization-insensitive GMRs was demonstrated, where GMRs of both TE and TM modes are physically attributed to the diffraction coupling by two +/- 45 degrees tilting gratings. Such kind of device has great potential in ultra-sensitive label-free sensors, filters, or slow light based devices.

引用

页数：5

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