Experimental Demonstration of a High Efficiency Polarization Splitter Based on a One-Dimensional Grating With a Bragg Reflector Underneath

被引:50
作者
Wang, Zhechao [1 ,2 ,3 ]
Tang, Yongbo [1 ,2 ,3 ]
Wosinski, Lech [1 ,2 ,3 ]
He, Sailing [1 ,2 ,3 ]
机构
[1] Royal Inst Technol Sweden, Joint Res Ctr Photon, Stockholm, Sweden
[2] Zhejiang Univ, Zhejiang Univ JORCEP, Hangzhou 310058, Zhejiang, Peoples R China
[3] Royal Inst Technol KTH, ICT Sch, Lab Photon & Microwave Engn, S-16440 Kista, Sweden
关键词
Bragg reflector; grating coupler; integrated optics; polarization splitter; silicon-on-insulator (SOI); COMPACT; COUPLER;
D O I
10.1109/LPT.2010.2070792
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A one-dimensional grating serving both as a polarization beam splitter and a vertical coupler for silicon photonic circuits is designed, fabricated, and characterized. Bragg reflectors are employed to improve greatly the coupling efficiency. Over 50% efficiency for both polarizations are achieved experimentally, and the extinction ratio between them is also high (-20 dB).
引用
收藏
页码:1568 / 1570
页数:3
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