基于光子晶体单向传输波导的通道下路滤波器

任宏亮; 卢瑾; 胡卫生; 姜淳; 吴哲夫; 温浩; 覃亚丽; 周守利

光子学报, 2014, 43 (7): 0723001, 网络出版: 2014-08-18

基于光子晶体单向传输波导的通道下路滤波器

Photonic Crystal Channel Drop Filter Based on Oneway Waveguide

论文大纲

任宏亮 ^1,2卢瑾 ²胡卫生 ¹姜淳 ¹吴哲夫 ²温浩 ²覃亚丽 ²周守利 ²

作者单位

¹ 上海交通大学区域光纤通信网与新型光纤通信系统国家重点实验室, 上海 200240

² 浙江工业大学信息工程学院,杭州 310023

摘要

基于光子晶体单向传输波导,设计了一种三端口和两种四端口结构的通道下路滤波器.为取得100%的通道下路效率,运用实时耦合模理论对这三种结构进行了分析.理论分析表明该通道下路滤波器比利用光子晶体普通介质波导设计的通道下路滤波器具有更简单的结构,降低了器件制作难度.用有限元方法对滤波器结构进行了数值仿真分析,仿真计算结果表明所设计的三种结构具有超过90%的通道下路效率,与理论分析结果相符合.

Abstract

Based on photonic crystal oneway waveguide, one threeport system and two kinds of fourport systems were designed. According to coupled mode theory in time, it was confirmed that the channel drop filters on the basis of oneway waveguide have more simple structure than that with only general dielectric photonic crytal waveguides in order to achieve 100% channel drop efficiency, which is benefit to the solution to the fabrication difficulty of the devices. The simulation results calculated by the finite element method shows that the channel drop efficiencies are all over 90%, which does agree well with the theoretical analysis.

参考文献

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任宏亮, 卢瑾, 胡卫生, 姜淳, 吴哲夫, 温浩, 覃亚丽, 周守利. 基于光子晶体单向传输波导的通道下路滤波器[J]. 光子学报, 2014, 43(7): 0723001. REN Hongliang, LU Jin, HU Weisheng, JIANG Chun, WU Zhefu, WEN Hao, QIN Yali, ZHOU Shouli. Photonic Crystal Channel Drop Filter Based on Oneway Waveguide[J]. ACTA PHOTONICA SINICA, 2014, 43(7): 0723001.

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