Realization of tunable optical filter by photonic crystal ring resonators

被引：41

作者：

Rakhshani, Mohammad Reza ^{[1
]}

Mansouri-Birjandi, Mohammad Ali ^{[1
]}

机构：

[1] Univ Sistan & Baluchestan, Fac Elect & Comp Engn, Zahedan, Iran

来源：

OPTIK | 2013年 / 124卷 / 22期

关键词：

Filter; Photonic crystal; Ring resonator; Wavelength; SQUARE-LATTICE; OPTIMIZATION;

D O I：

10.1016/j.ijleo.2013.03.114

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have designed a tunable two dimensional (2D) channel drop filter (CDF) based on photonic crystal ring resonators (PCRR). Dropping efficiency and Qfactor of single improved ring are 100% and 842, respectively. In this filter the quality factor is significantly improved with respect to other published reports. We investigate parameters which have an effect on resonant wavelength in this CDF, such as dielectric constant of inner, coupling, adjacent and whole rods of the structure and radius of inner rods. The transmission spectrum for our proposed configuration has been investigated using the 2D finite difference time domain (FDTD) method. The area of the proposed structure is about 117 mu m(2). (C) 2013 Published by Elsevier GmbH.

引用

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页码：5377 / 5380

页数：4

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