A compact in-plane photonic crystal channel drop filter

被引：0
|
作者：
赵铱楠 [1 ]
李科铮 [1 ]
王雪华 [1 ]
金崇君 [1 ]
机构：
[1] State Key Laboratory of Optoelectronic Materials and Technologies,School of Physics and Engineering,Sun Yat-sen University
来源：
ChinesePhysicsB | 2011年 / 20卷 / 07期
基金：
中国国家自然科学基金;
关键词：
photonic band gap materials; integrated optics; optical waveguides; optical communications devices;
D O I：
暂无
中图分类号：
TN256 [集成光学器件]; TN713 [滤波技术、滤波器];
学科分类号：
0702 ; 070207 ; 080902 ;
摘要：
This paper presents a novel in-plane photonic crystal channel drop filter.The device is composed of a resonant cavity sandwiched by two parallel waveguides.The cavity has two resonant modes with opposite symmetries.Tuning these two modes into degeneracy causes destructive interference in bus waveguide,which results in high forward drop efficiency at the resonant wavelength.From the result of numerical analysis by using two-dimensional finite-difference time-domain method,the channel drop filter has a drop efficiency of 96% and a Q value of over 3000,which can be used in dense wavelength division multiplexing systems.
引用
收藏
页码：232 / 236
页数：5
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