二维正方晶格各向异性光子晶体缺陷模

余建立; 沈虹君

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二维正方晶格各向异性光子晶体缺陷模

论文 | 更新时间：2020-08-12

- 二维正方晶格各向异性光子晶体缺陷模
- 暂无标题
- 发光学报 2009年30卷第1期页码：25-30
- 作者机构：
  
  1. 宁夏大学物理系,宁夏银川,750021
  2. 安徽省巢湖学院物理系, 安徽巢湖 238000
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： O431
- 纸质出版日期：2009-2-20，
  
  网络出版日期：2009-2-20，
  
  收稿日期：2008-8-25，
  
  修回日期：1900-1-2，
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余建立, 沈虹君. 二维正方晶格各向异性光子晶体缺陷模[J]. 发光学报, 2009,30(1):25-30.
余建立, 沈虹君. 二维正方晶格各向异性光子晶体缺陷模[J]. 发光学报, 2009,30(1):25-30. DOI：

DOI：

摘要

为了得到对TM和TE模具有相同缺陷模的共振微腔

通过在完整各向异性碲介质柱二维正方光子晶体中

引入各向同性的介质圆柱作为点缺陷

利用超胞平面波展开法计算该光子晶体的缺陷模

系统计算了在同时改变点缺陷介质柱介电常数和半径两种情况下的两种偏振缺陷模的变化规律。结果表明

在完全禁带中

缺陷介质柱介电常数从5.44变化到38.44、半径与晶格常数的比从0.05变化到0.50的整个区域

均会出现对TM和TE模具有相同缺陷模

且随着介电常数的减小

缺陷模随着缺陷半径的变化趋于缓慢

归一化共振频率在0.241 8~0.243 2之间可调

在引入

＜

的各向异性介质柱缺陷时

亦可得到对TM和TE模具有相同缺陷模

且共振频率的可调范围增大

该研究为光子晶体器件的设计提供了理论依据。

Abstract

关键词

光子晶体各向异性缺陷模平面波展开法

Keywords

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