激光与光电子学进展, 2016, 53 (2): 022302, 网络出版: 2016-01-22  

基于硅十字缝隙波导结构的偏振无关微环型谐振腔的设计与模拟 下载: 654次

Design and Simulation of Polarization-Independent Micro-Ring Resonator Based on Silicon Cross-Slot Waveguide Structure
耿敏明 1,2,3,4,*
作者单位
1 广西大学计算机与电子信息学院, 广西, 南宁 530004
2 广西大学广西多媒体通信与网络技术重点实验室培育基地, 广西, 南宁 530004
3 广西大学广西高校多媒体通信与信息处理重点实验室, 广西, 南宁 530004
4 广西信息科学实验中心, 广西, 桂林 541004
摘要
分析了硅基十字缝隙波导(SCSW)偏振敏感的原因,计算了不同偏振态下SCSW 的有效折射率和单模工作条件,分析发现通过合理的设计单模SCSW 的结构,可以达到偏振不敏感。提出并模拟了基于SCSW 的具有偏振无关特性的微环形谐振腔。该谐振腔的半径为3.7 μm,偏振无关的工作区域大约64 nm,自由光谱范围大约35 nm。
Abstract
Origin of polarization sensitivity of the silicon cross-slot waveguide (SCSW) is analyzed. The effective refractive indices as well as the single-mode-operation conditions of SCSWs for different polarization states are calculated. A single-mode SCSW can be polarization-insensitive if its structure is designed dedicated. A polarization-independent micro-ring resonator with 3.7μm radius based on a polarization-insensitive SCSW is proposed and simulated. The polarization-independent working bandwidth of the micro-ring resonator is about 64 nm, and the free spectral range is about 35 nm.
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耿敏明. 基于硅十字缝隙波导结构的偏振无关微环型谐振腔的设计与模拟[J]. 激光与光电子学进展, 2016, 53(2): 022302. Geng Minming. Design and Simulation of Polarization-Independent Micro-Ring Resonator Based on Silicon Cross-Slot Waveguide Structure[J]. Laser & Optoelectronics Progress, 2016, 53(2): 022302.

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