The properties of cutoff frequency in two-dimensional superconductor photonic crystals

被引：32
作者：
Aly, Arafa H. [1 ]
Elsayed, Hussein A. [1 ]
El-Naggar, Sahar A. [2 ]
机构：
[1] Beni Suef Univ, Dept Phys, Fac Sci, Bani Suwayf, Egypt
[2] Cairo Univ, Dept Engn Math & Phys, Fac Engn, Giza, Egypt
来源：
JOURNAL OF MODERN OPTICS | 2014年 / 61卷 / 13期
关键词：
cut-off frequency; 2DSPCs; PWM; PBG; filling factor;
D O I：
10.1080/09500340.2014.916358
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, by means of frequency-dependent plane wave expansion method we investigate the properties of photonic band structures in two-dimensional superconductor photonic crystals. Effects of cut-off frequency are investigated by various parameters such as filling factor, the lattice constant alteration, threshold frequency of the superconductor, and shape of the rods as well. We show that the cut-off frequency can be efficiently tuned by the operating temperature. Moreover, it can be tailored by changing the dielectric constant of the background and the threshold frequency of the superconductor material.
引用
收藏
页码：1064 / 1068
页数：5
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