Surface Waves at the Interface between a Dielectric and a Topological Insulator

被引：7
|
作者：
Maimistov, A. I. [1 ,2 ]
Lyashko, E. I. [2 ]
机构：
[1] Natl Res Nucl Univ, Moscow Engn Phys Inst MEPhI, Moscow 115409, Russia
[2] State Univ, Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Oblast, Russia
来源：
OPTICS AND SPECTROSCOPY | 2016年 / 121卷 / 04期
基金：
俄罗斯基础研究基金会;
关键词：
HYPERBOLIC METAMATERIALS; DISPERSION; FIELD;
D O I：
10.1134/S0030400X16100155
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Surface waves that propagate along the interface between an isotropic linear or nonlinear (of the Kerr type) dielectric and a topological insulator have been studied theoretically. A dispersion relation for surface waves, which are represented by superpositions of TE and TM waves, has been obtained. This hybridization occurs because, upon passage through the interface, the polarization of a surface wave changes, which is caused by an induced surface current (which is transverse to the electric field vector of the wave). The surface current of this kind is characteristic of topological insulators. Expressions for the energy flux transferred by a surface wave have been given.
引用
收藏
页码：635 / 642
页数：8
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