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	A compact SOI polarization beam splitter based on multimode interference coupler
	Tu, Z. ; Huang, Y.W. ; Yi, H.X. ; Wang, X.J. ; Li, Y.P. ; Li, L. ; Hu, W.W.
	2011
英文摘要	A multimode interference (MMI) polarization splitter with easy fabrication process was demonstrated in Silicon-On-Insulator substrate. The minimum device size, 8 ??m??1034 ??m was designed by Quasistate imaging effect theory. Numerical simulations show that this optimized MMI polarization splitter has a good fabrication tolerance. The tolerance of width and length is ??0.04 ??m and ?? 10 ??m for transverse electric (TE) mode and ??0.14 ??m and ??35 ??m for transverse magnetic (TM) mode. The bandwidths are 20 nm and 80 nm for TE and TM respectively. Experiment results exhibits a -15 dB polarization extinction ratio bandwidth of 20 nm for the through-path and much wider for the crosspath. The extinction ratio and crosstalk achieve (-27.3 dB, -22.6 dB) for TE and (-26.6 dB, -23.9 dB) for TM. ? 2011 SPIE-OSA-IEEE.; EI; 0
语种	英语
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/327360]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Tu, Z.,Huang, Y.W.,Yi, H.X.,et al. A compact SOI polarization beam splitter based on multimode interference coupler. 2011-01-01.

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