Polarization-independent grating with the zeroth order suppressed

被引：0

作者：

Lin, Zefan ^{[1
]}

Wang, Bo ^{[1
]}

Gao, Chenhao ^{[1
]}

Wen, Kunhua ^{[1
]}

Meng, Ziming ^{[1
]}

Nie, Zhaogang ^{[1
]}

Zhang, Fangteng ^{[1
]}

Xing, Xiangjun ^{[1
]}

Chen, Li ^{[1
]}

Lei, Liang ^{[1
]}

Zhou, Jinyun ^{[1
]}

机构：

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

来源：

JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS | 2021年 / 23卷 / 1-2期

关键词：

Polarization-independent grating; Beam splitter; Suppression of the zeroth order; BEAM SPLITTER; DESIGN;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, a polarization-independent grating with the suppression of the zeroth order under normal incidence is introduced. In order to suppress the zeroth order, the rigorous coupled-wave method is used to optimize height of the grating groove and the thickness of the connecting layer, where the total efficiency of the +1st order and the -1st order is greater than 90%. The modal method can explain the physical mechanism of the grating transmission and the 0th order suppression. Then the process tolerance of the grating is studied, which provides a basis for the design of the zeroth order suppressed.

引用

页码：1 / 5

页数：5

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