Design of Diffractive Optical Elements for Optical Interconnections

被引：0

作者：

Qu, Weidong ^{[1
]}

Gao, Qiong ^{[1
]}

Zhang, Yanxiu ^{[1
]}

Wang, Bing ^{[1
]}

Ma, Na ^{[1
]}

Wang, Juanfeng ^{[1
]}

Lei, Ping ^{[1
]}

Ding, Zhendong ^{[1
]}

Bai, Bing ^{[1
]}

机构：

[1] Luoyang Elect Equipment Test Ctr, Luoyang 471003, Henan, Peoples R China

来源：

INTERNATIONAL CONFERENCE ON OPTOELECTRONICS AND MICROELECTRONICS TECHNOLOGY AND APPLICATION | 2017年 / 10244卷

基金：

中国国家自然科学基金;

关键词：

diffractive optical element(DOE); beam splitter; Gerchberg-Saxton (GS); optical interconnections; IMAGE;

D O I：

10.1117/12.2263940

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Diffractive optical elements (DOEs) can realize beam shaping with higher light efficiency, strong flexibility of diffraction pattern, and is suitable to be used in optical interconnections to split beams. In order to increase the intensity uniformity of the split beams, a hybrid algorithm merging Gerchberg-Saxton (GS) algorithm with gradient method is presented based on the sampling rule different from the existing optimization algorithms. By controlling N extra points with zero amplitude besides the original N sampling points on the input plane, and finally the sampling pitch on the Fourier plane is half of that of the conventional sampling rule. Then the N extra points on the Fourier plane will be controlled. Finally spot array with high intensity uniformity can be realized with the proposed algorithm. Simulation results demonstrate the good performance of the proposed algorithm.

引用

页数：4

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