Waveguide Modes in a Planar Graphene-Dielectric Thin-Layer Structure

被引：4
|
作者：
Evseev, D. A. [1 ]
Sementsov, D. I. [1 ]
机构：
[1] Ulyanovsk State Univ, Ulyanovsk 432970, Russia
来源：
OPTICS AND SPECTROSCOPY | 2018年 / 124卷 / 02期
关键词：
D O I：
10.1134/S0030400X18020030
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Particular features of waveguide propagation of modes in a planar structure that consists of alternating layers of a dielectric and graphene are investigated. Within the effective-medium approximation, dispersion relations are obtained for symmetric and antisymmetric waveguide modes. Based on their numerical analysis, the frequency dependences of the propagation and decay constants, of the group and phase velocities, and of the energy flux carried by waveguide modes are constructed. The influence of the fraction of graphene in the structure on the behavior of waveguide modes is analyzed.
引用
收藏
页码：230 / 236
页数：7
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