A novel polarization channel drop filter based on two-dimensional photonic crystals  

作　　者：任宏亮 覃亚丽 刘恺 吴哲夫 胡卫生 姜淳 金耀辉 

机构地区：[1]Institute of Fiber Optic Communication and Information Engineering,College of Information Engineering,Zhejiang University of Technology [2]State Key Laboratory of Advanced Optical Communication Systems and Networks,Shanghai Jiao Tong University

出　　处：《Chinese Optics Letters》2010年第8期749-752,共4页中国光学快报（英文版）

基　　金：supported by the National Natural Science Foundation of China(Nos.60978010,60907032, and 60825103);the Program of Shanghai Subject Chief Scientist(No.09XD1402200);the Natural Science Foundation of Zhejiang Province(No.Y1090169);the Foundation of Zhejiang University of Technology(No. 0901103012408)

摘　　要：A novel polarization channel drop filter （PCDF） based on two-dimensional （2D） photonic crystals （PCs） is presented. It consists of two line defect waveguides and two point defect micro-cavities. In the line-defect waveguides, the transverse-electric （TE） and transverse-magnetic （TM） polarization lights are guided using photonic band-gap and total internal reflection effect, respectively. The light at the resonant frequency for TE polarization can be transferred from one waveguide to the other using the proposed system. Compared with the existing four-port PCDF based on PCs, the three-port structure can realize a multi-channel wavelength system of PCDF more easily and can be an essential device in future polarization wavelength division multiplexing （PWDM） systems.A novel polarization channel drop filter （PCDF） based on two-dimensional （2D） photonic crystals （PCs） is presented. It consists of two line defect waveguides and two point defect micro-cavities. In the line-defect waveguides, the transverse-electric （TE） and transverse-magnetic （TM） polarization lights are guided using photonic band-gap and total internal reflection effect, respectively. The light at the resonant frequency for TE polarization can be transferred from one waveguide to the other using the proposed system. Compared with the existing four-port PCDF based on PCs, the three-port structure can realize a multi-channel wavelength system of PCDF more easily and can be an essential device in future polarization wavelength division multiplexing （PWDM） systems.

关 键 词：Defects DROPS MULTIPLEXING Multiplexing equipment Natural frequencies Optical waveguides Photonic band gap Point defects POLARIZATION Refractive index Two dimensional Waveguides 

分 类 号：TN253[电子电信—物理电子学]