Free-space to few-mode-fiber coupling under atmospheric turbulence

被引：57

作者：

Zheng, Donghao ^{[1
]}

Li, Yan ^{[1
]}

Chen, Erhu ^{[2
]}

Li, Beibei ^{[1
]}

Kong, Deming ^{[1
]}

Li, Wei ^{[1
]}

Wu, Jian ^{[1
]}

机构：

[1] Beijing Univ Posts & Telecommun, Beijing 100876, Peoples R China

[2] Beijing Inst Tracking & Telecommun Technol, 5131 Postbox, Beijing, Peoples R China

来源：

OPTICS EXPRESS | 2016年 / 24卷 / 16期

基金：

美国国家科学基金会;

关键词：

OPTICAL COMMUNICATION; EFFICIENCY; TRANSMISSION;

D O I：

10.1364/OE.24.018739

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

High speed free space optical communication (FSOC) has taken advantages of components developed for fiber-optic communication systems. Recently, with the rapid development of few-mode-fiber based fiber communication systems, few-mode-fiber components might further promote their applications in FSOC system. The coupling efficiency between free space optical beam and few-mode fibers under atmospheric turbulence effect are investigated in this paper. Both simulation and experimental results show that, compared with single-mode fiber, the coupling efficiencies for a 2-mode fiber and a 4-mode fiber are improved by similar to 4 dB and similar to 7 dB respectively in the presence of medium moderate and strong turbulence. Compared with single-mode fiber, the relative standard deviation of received power is restrained by 51% and 66% respectively with a 4-mode and 2-mode fiber. (C) 2016 Optical Society of America

引用

页码：18739 / 18744

页数：6

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