Positive-negative birefraction phenomenon for TM polarization in annular photonic crystal

被引：0

作者：

张园 ^{[1
]}

沈义峰 ^{[1
,2
]}

周杰 ^{[1
]}

王永春 ^{[1
]}

吴芳芳 ^{[1
]}

孙建 ^{[1
]}

郭昌清 ^{[1
]}

机构：

[1] Physics Department of the Science College, China University of Mining and Technology

[2] Surface Physics Laboratory, Fudan University

来源：

Chinese Optics Letters | 2011年 / 9卷 / 02期

基金：

中央高校基本科研业务费专项资金资助;

关键词：

EFC; Positive-negative birefraction phenomenon for TM polarization in annular photonic crystal; TM;

D O I：

暂无

中图分类号：

O734 [晶体的光学性质];

学科分类号：

0803 ;

摘要：

We propose a two-dimensional (2D) annular photonic crystal (APC) with dual equi-frequency contours (EFCs) in one band. The refractive behaviors of a Gaussian beam incident from air to the APC are analyzed by the EFC analysis and finite-diflerence time-domain (FDTD) method. The results show the positive-negative birefraction phenomenon for the transverse magnetic (TM) polarization in the same band occurs at the interface between air and the APC, and the surface termination of the APC has a large effect on the strength of the negatively refracted beam.

引用

页码：73 / 76

页数：4

共 23 条

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