Connecting-layer-based polarizing beam splitter grating with high efficiency for both TE and TM polarizations

被引：9

作者：

Wang, Bo ^{[1
]}

Lei, Liang ^{[1
]}

Chen, Li ^{[1
]}

Zhou, Jinyun ^{[1
]}

机构：

[1] Guangdong Univ Technol, Sch Phys & Optoelect Engn, Guangzhou 510006, Guangdong, Peoples R China

来源：

OPTICS AND LASER TECHNOLOGY | 2012年 / 44卷 / 07期

基金：

中国国家自然科学基金;

关键词：

Connecting-layer-based grating; High efficiency; Extinction ratio; BROAD-BAND; DESIGN;

D O I：

10.1016/j.optlastec.2012.03.011

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We describe a novel polarizing beam splitter (PBS) of transmission connecting-layer-based grating, which can show high efficiency for TE polarization in the - 1st order and TM polarization in the 0th order. According to the modal method, grating duty cycle and period are prescribed to obtain high efficiency for TM polarization. Using the rigorous coupled-wave analysis, grating depth and thickness of the connecting layer are optimized to achieve high efficiency for TE polarization. The presented PBS has advantages of wideband properties for incident wavelength and angle. Most importantly, the efficiency is improved greatly for TE polarization compared with the reported PBS based on fused-silica grating. (c) 2012 Elsevier Ltd. All rights reserved.

引用

页码：2145 / 2148

页数：4

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