Polarization-Independent Plasmon-Induced Transparency in a Fourfold Symmetric Terahertz Metamaterial

被引：69

作者：

Zhang, Xueqian ^{[1
,2
]}

Li, Quan ^{[1
,2
]}

Cao, Wei ^{[2
,3
]}

Gu, Jianqiang ^{[1
,2
]}

Singh, Ranjan ^{[4
,5
]}

Tian, Zhen ^{[1
,2
]}

Han, Jiaguang ^{[1
,2
]}

Zhang, Weili ^{[1
,2
,3
]}

机构：

[1] Tianjin Univ, Ctr Terahertz Waves, Tianjin 300072, Peoples R China

[2] Tianjin Univ, Coll Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China

[3] Oklahoma State Univ, Sch Elect & Comp Engn, Stillwater, OK 74078 USA

[4] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA

[5] Mat Phys & Applicat Div, Los Alamos, NM 87545 USA

来源：

IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 2013年 / 19卷 / 01期

基金：

美国国家科学基金会;

关键词：

Coupled modes; metamaterials; plasmon-induced transparency (PIT); polarization independent; terahertz (THz); RESONANCES;

D O I：

10.1109/JSTQE.2012.2200656

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Metamaterials that reveal fascinating and unique resonant properties allow for adequate control of electromagnetic waves at will. Recently, considerable studies have shown that the plasmon-induced transparency (PIT) effect can be realized by metamaterials via destructive interference between different resonance modes; however, most of them are sensitive to the polarization of incident wave. Here, we demonstrate a polarization-independent PIT metamaterial functioning in the terahertz regime. The proposed structure has a fourfold symmetry and exhibits a typical PIT behavior due to the coupling effect of four different modes, yielding polarization-independent characteristics.

引用

页码：60 / 66

页数：7

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