Electro-optical switching by liquid-crystal controlled metasurfaces

被引：165

作者：

Decker, Manuel ^{[1
,2
]}

Kremers, Christian ^{[3
]}

Minovich, Alexander ^{[1
,2
]}

Staude, Isabelle ^{[1
,2
]}

Miroshnichenko, Andrey E. ^{[1
,2
]}

Chigrin, Dmitry ^{[3
,4
]}

Neshev, Dragomir N. ^{[1
,2
]}

Jagadish, Chennupati ^{[5
]}

Kivshar, Yuri S. ^{[1
,2
]}

机构：

[1] Australian Natl Univ, Res Sch Phys & Engn, Nonlinear Phys Ctr, Canberra, ACT 0200, Australia

[2] Australian Natl Univ, Res Sch Phys & Engn, Ctr Ultrahigh Bandwidth Devices Opt Syst CUDOS, Canberra, ACT 0200, Australia

[3] Univ Wuppertal, Inst High Frequency & Commun Technol, Wuppertal, Germany

[4] Rhein Westfal TH Aachen, Inst Phys 1, D-52056 Aachen, Germany

[5] Australian Natl Univ, Res Sch Phys & Engn, Dept Elect Mat Engn, Canberra, ACT 0200, Australia

来源：

OPTICS EXPRESS | 2013年 / 21卷 / 07期

基金：

澳大利亚研究理事会;

关键词：

METAMATERIALS; TERAHERTZ; CELL;

D O I：

10.1364/OE.21.008879

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We study the optical response of a metamaterial surface created by a lattice of split-ring resonators covered with a nematic liquid crystal and demonstrate millisecond timescale switching between electric and magnetic resonances of the metasurface. This is achieved due to a high sensitivity of liquid-crystal molecular reorientation to the symmetry of the metasurface as well as to the presence of a bias electric field. Our experiments are complemented by numerical simulations of the liquid-crystal reorientation. (C) 2013 Optical Society of America

引用

页码：8879 / 8885

页数：7

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