Tunable complete photonic band gap in anisotropic photonic crystal slabs with non-circular air holes using liquid crystals

被引：17
|
作者：
Khalkhali, T. Fathollahi [1 ]
Bananej, A. [1 ]
机构：
[1] NSTRI, Laser & Opt Res Sch, Tehran, Iran
来源：
OPTICS COMMUNICATIONS | 2016年 / 369卷
关键词：
Photonic crystal slabs; Tunable complete photonic band gap; Anisotropic tellurium material; Liquid crystals; Non-circular scatterers; WAVE-GUIDES; LIGHT; SCATTERERS; EXTRACTION; FIBERS; OPAL;
D O I：
10.1016/j.optcom.2016.02.039
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this study, we analyze the tunability of complete photonic band gap of square and triangular photonic crystal slabs composed of square and hexagonal air holes in anisotropic tellurium background with SiO2 as cladding material. The non-circular holes are infiltrated with liquid crystal. Using the supercell method based on plane wave expansion, we study the variation of complete band gap by changing the optical axis orientation of liquid crystal. Our numerical results show that noticeable tunability of complete photonic band gap can be obtained in both square and triangular structures with non-circular holes. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：79 / 83
页数：5
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