Bloch表面波相移光栅的传输特性研究  

Study on the Transmission Properties of Phase-shifting Grating Based on Bloch Surface Wave

作　　者：黄誉[1] 丁明吉[1] 肖经[2] 韦启钦 HUANG Yu;DING Ming-ji;XIAO Jing;WEI Qi-qin(The 34th Research Institute of CETC,Guilin 541004,China;Guilin University of Electronic Technology,Guilin 541004,China)

机构地区：[1]中国电子科技集团公司第三十四研究所,广西桂林541004 [2]桂林电子科技大学,广西桂林541004

出　　处：《中国电子科学研究院学报》2020年第6期593-596,共4页Journal of China Academy of Electronics and Information Technology

基　　金：国家自然基金项目(61764002);广西自然科学基金面上项目(2017GXNSFAA198282)。

摘　　要：随着光通信技术高速发展,对光子集成器件的尺寸和性能提出了更高的要求。文中提出了一种基于Bloch表面波的相移光栅,该器件由以高低折射率介质交替堆叠的多层结构、光传输层和光栅结构构成,通过利用多层结构激发Bloch表面波,实现超低损耗的光传输。文中利用COMSOL Multiphysics和Lumerical FDTD solutions对器件进行了仿真分析,结果表明该相移光栅具有非常低的传输损耗和优异的滤波性能,能够兼容CMOS制造工艺,易于集成,在光子集成光路中具有巨大的应用前景。With the rapid development of optical communication technology,the footprints and poperies of optical devices need to be improved.In this article,a novel phased-shifted grating based Bloch surface wave was proposed.This grating consists of a set of a special ridge fabrication on a multilayer stack supporting a Bloch surface wave.The properties of the device were researched by using COMSOL Multiphysics and Lumerical FDTD solutions.Research results show that the designed grating has a neglect propagation losses and filter properties.The device is compatible CMOS fabrication process and easily integrated in high integrated optical circuit.

关 键 词：光通信 相移光栅 Bloch表面波 

分 类 号：TN761[电子电信—电路与系统]