Tunability of waveguide modes in two-dimensional photonic crystals based on superconducting materials

被引：28

作者：

Barvestani, Jamal ^{[1
]}

Rezaei, Emad ^{[1
]}

Vala, Ali Soltani ^{[1
]}

机构：

[1] Univ Tabriz, Fac Phys, Dept Solid State Phys, Tabriz 51665163, Iran

来源：

OPTICS COMMUNICATIONS | 2013年 / 297卷

关键词：

Photonic crystals; Tunable waveguide; High temperature superconductor; DIELECTRIC SUPERLATTICE; CONSTITUENTS; GAP;

D O I：

10.1016/j.optcom.2013.01.069

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have investigated the tunability of waveguide modes in a 2D square lattice photonic crystal composed of circular alumina rods in air background in which one row of the rods is replaced by copper oxide high temperature superconductor rods. Variations of defect mode frequencies versus physical parameters are investigated by employing revised plane wave expansion method which is suitable technique for frequency-dependent permittivity such as superconductor materials. Our results show that the sensitivity of waveguide frequencies on the defect size is remarkably different from those modes appear in line defects composed by dielectric materials. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：74 / 78

页数：5

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