Symmetry breaking and strong coupling in planar optical metamaterials

被引：146

作者：

Aydin, Koray ^{[1
]}

Pryce, Imogen M. ^{[1
]}

Atwater, Harry A. ^{[1
,2
]}

机构：

[1] CALTECH, Thomas J Watson Lab Appl Phys, Pasadena, CA 91125 USA

[2] CALTECH, Kavli Nanosci Inst, Pasadena, CA 91125 USA

来源：

OPTICS EXPRESS | 2010年 / 18卷 / 13期

基金：

美国国家科学基金会;

关键词：

RING RESONATOR METAMATERIALS; PLASMONIC METAMATERIAL; HYBRIDIZATION; RESONANCES; NANOCAVITIES;

D O I：

10.1364/OE.18.013407

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate narrow transmission resonances at near-infrared wavelengths utilizing coupled asymmetric split-ring resonators (SRRs). By breaking the symmetry of the coupled SRR system, one can excite dark (subradiant) resonant modes that are not readily accessible to symmetric SRR structures. We also show that the quality factor of metamaterial resonant elements can be controlled by tailoring the degree of asymmetry. Changing the distance between asymmetric resonators changes the coupling strength and results in resonant frequency tuning due to resonance hybridization. (C) 2010 Optical Society of America

引用

页码：13407 / 13417

页数：11

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