Reducing the cross-talk among different orbital angular momentum modes in turbulent atmosphere by using a focusing mirror

被引：35
作者：
Zhou, Mengyao [1 ]
Zhou, Yunqin [1 ]
Wu, Gaofeng [1 ]
Cai, Yangjian [2 ,3 ,4 ]
机构：
[1] Northwest Univ, Sch Phys, Xian 710069, Shaanxi, Peoples R China
[2] Shandong Normal Univ, Sch Phys & Elect, Shandong Prov Engn & Tech Ctr Light Manipulat, Jinan 250014, Shandong, Peoples R China
[3] Shandong Normal Univ, Sch Phys & Elect, Shandong Prov Key Lab Opt & Photon Device, Jinan 250014, Shandong, Peoples R China
[4] Soochow Univ, Sch Phys Sci & Technol, Suzhou 215006, Peoples R China
来源：
OPTICS EXPRESS | 2019年 / 27卷 / 07期
基金：
中国国家自然科学基金;
关键词：
BEAMS; COMPENSATION;
D O I：
10.1364/OE.27.010280
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The cross-talk among different orbital angular momentum (OAM) modes induced by the turbulent atmosphere is a challenging effect commonly occurring in OAM-based free-space optical (FSO) communication. The aim of this study is to propose a simple method to reduce the crosstalk and demonstrate its effect by analytical derivation and numerical simulation. It is found that the crosstalk is largely reduced by using a focusing mirror. Our results will be useful in free-space optical communication. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：10280 / 10287
页数：8
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