T-shaped channel drop filter based on photonic crystal ring resonator

被引：63
|
作者：
Alipour-Banaei, Hamed [1 ]
Jahanara, Mahsa [2 ]
Mehdizadeh, Farhad [3 ]
机构：
[1] Islamic Azad Univ, Tabriz Branch, Dept Elect, Coll Engn, Tabriz, Iran
[2] Islamic Azad Univ, Ahar Branch, Dept Elect Engn, Coll Engn, Ahar, Iran
[3] Islamic Azad Univ, Urmia Branch, Young Researchers & Elite Club, Orumiyeh, Iran
来源：
OPTIK | 2014年 / 125卷 / 18期
关键词：
Photonic crystal; Ring resonator; Filter; Quality factor; Band gap;
D O I：
10.1016/j.ijleo.2014.06.056
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Photonic crystal ring resonators are promising candidates for realizing all optical filters with acceptable transmission efficiency and quality factor values. In this paper, by putting a12-fold quasi crystal at the middle of on 7 x 7 square cavity we created a ring resonator structure and designed a T-shaped channel drop filter. The drop wavelength of our filter is at 1551 nm, with transmission efficiency and quality factor equal to 90% and 387. Our structure is composed of dielectric rods immersed in air. Because in this kind of structures the dominant band gap is in TM mode, all of our simulations have been done in TM mode. The total footprint of our filter is 242.4 mu m(2), which makes it suitable for all optical integrated circuits. (c) 2014 Elsevier GmbH. All rights reserved.
引用
收藏
页码：5348 / 5351
页数：4
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