Numerical time-domain simulation of planar chiral metamaterials

被引：0

作者：

Kremers, Christian ^{[1
]}

Zhukovsky, Sergei V. ^{[1
]}

Chigrin, Dmitry N. ^{[1
]}

机构：

[1] Univ Wuppertal, Theoret Nano Photon Grp, Inst High Frequency & Commun Technol, Fac Elect Informat & Media Engn, D-42119 Wuppertal, Germany

来源：

THEORETICAL AND COMPUTATIONAL NANOPHOTONICS (TACONA-PHOTONICS 2009) | 2009年 / 1176卷

关键词：

metamaterials; planar chiral structures; optical activity; polarization rotation; finite-difference time-domain methods; DICHROISM; LIGHT;

D O I：

暂无

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Asymmetric planar split-ring structures (planar chiral metamaterials) are investigated numerically in the time domain. Resonant asymmetry in transmission, reflection and absorption for right- vs. left-handed circular polarization (circular birefringence and dichroism) is observed. Distributions of current confirm the surface plasmon polariton nature of resonant excitation and its polarization sensitivity. Varying the distance between split-ring elements changes the width and location of the resonance peak. This indicates that planar chirality is intrinsic, but is strongly influenced by inter-element coupling.

引用

页码：118 / 120

页数：3

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