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题名:
Experimental demonstration of single-mode fiber coupling over relatively strong turbulence with adaptive optics
作者: Chen, Mo1,2,3; Liu, Chao1,2; Xian, Hao1,2
刊名: APPLIED OPTICS
出版日期: 2015-10-10
卷号: 54, 期号:29, 页码:8722-8726
DOI: 10.1364/AO.54.008722
文章类型: Article
英文摘要: High-speed free-space optical communication systems using fiber-optic components can greatly improve the stability of the system and simplify the structure. However, propagation through atmospheric turbulence degrades the spatial coherence of the signal beam and limits the single-mode fiber (SMF) coupling efficiency. In this paper, we analyze the influence of the atmospheric turbulence on the SMF coupling efficiency over various turbulences. The results show that the SMF coupling efficiency drops from 81% without phase distortion to 10% when phase root mean square value equals 0.3 lambda. The simulations of SMF coupling with adaptive optics (AO) indicate that it is inevitable to compensate the high-order aberrations for SMF coupling over relatively strong turbulence. The SMF coupling efficiency experiments, using an AO system with a 137-element deformable mirror and a Hartmann-Shack wavefront sensor, obtain average coupling efficiency increasing from 1.3% in open loop to 46.1% in closed loop under a relatively strong turbulence, D/r(0) = 15.1. (c) 2015 Optical Society of America
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
关键词[WOS]: EFFICIENCY ; COMMUNICATION
收录类别: SCI
语种: 英语
WOS记录号: WOS:000362667200020
ISSN号: 1559-128X
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3716
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Chinese Acad Sci, Key Lab Adapt Opt, Chengdu 610209, Peoples R China
2.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Chen, Mo,Liu, Chao,Xian, Hao. Experimental demonstration of single-mode fiber coupling over relatively strong turbulence with adaptive optics[J]. APPLIED OPTICS,2015,54(29):8722-8726.
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