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	Compact and high-performance silicon-on-insulator polarization beam splitter based on microring resonator
	Yang, Junbo ; Zhang, Jingjing ; Xu, Suzhi ; Lu, Huanyu
	2014
英文摘要	A compact polarization beam splitter (PBS) based on a microring resonator is proposed and demonstrated numerically by utilizing the full vectorial mode-matching (FVMM) theory and the coupled mode theory (CMT), which are introduced in the aspects of the width of waveguide, the height of waveguide, the radius of microring, and coupling coefficient, etc. Simultaneously, the finite difference time-domain (FDTD) method, a powerful and accurate method for finite size structure, is chosen to simulate and design this PBS. When TE and TM polarized light at 1.55??m are launched into the input port simultaneously, the resonator will drop TM polarized light to the drop port and transmit TE polarized light to the through port. In this way, two orthogonal polarization states are split and transferred to different output ports. The extinction ratio in the order of 10dB is achieved initially based on our recent work. The initial experimental results are also given, which includes three microring resonator with the radius of 15??m, 10??m, and 5??m, respectively. The proposed PBS structure could be utilized to develop ultracompact optical polarization modulating device for large-scale photonic integration and optical information processing. ? 2014 SPIE.; EI; 9277
语种	英语
出处	Nanophotonics and Micro/Nano Optics II
DOI标识	10.1117/12.2069939
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/424021]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Yang, Junbo,Zhang, Jingjing,Xu, Suzhi,et al. Compact and high-performance silicon-on-insulator polarization beam splitter based on microring resonator. 2014-01-01.

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