Temperature dependence of defect mode in band structures of the one-dimensional photonic crystal

被引：14
|
作者：
Segovia-Chaves, Francis [1 ,2 ]
Vinck-Posada, Herbert [1 ]
机构：
[1] Univ Nacl Colombia, Dept Fis, Bogota 055051, Colombia
[2] Univ Surcolombiana, Dept Ciencias Nat, Neiva 385, Colombia
来源：
OPTIK | 2018年 / 154卷
关键词：
Photonic crystal; Defect mode; Plane wave expansion method; TERAHERTZ RANGE; WAVELENGTH; FILTER; GAP;
D O I：
10.1016/j.ijleo.2017.10.030
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Using the plane wave expansion method the effect of temperature variation and the thickness of the defect in a one-dimensional photonic crystal consisting of alternate layers of silicon and air in the band structures has been investigated. The refractive index of silicon layers is taken as a function of temperature and wavelength. It is found that there exists defect mode within the forbidden frequency gap in the band structures. It is shown that increasing the temperature originates a defect mode shift in the band structure at low frequencies due to contrast increase of the refractive index. (C) 2017 Elsevier GmbH. All rights reserved.
引用
收藏
页码：467 / 472
页数：6
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