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Modal correction for fiber-coupling efficiency in free-space optical communication systems through atmospheric turbulence
Wu HL(吴晗玲); Yan HX(严海星); Li XY; Yan HX
Source PublicationOptik
2010
Volume121Issue:19Pages:1789-1793
ISSN0030-4026
AbstractHigh-speed free-space optical communication systems have recently used fiber-optical components. The coupling efficiency with which the received laser beam can be coupled into a single-mode fiber is noticeably limited by atmospheric turbulence due to the degradation of its spatial coherence. Fortunately, adaptive optics (AO) can alleviate this limitation by partially correcting the turbulence-distorted wavefront. The coupling efficiency improvement provided by Zernike modal AO correction is numerically evaluated. It is found that the first 3-20 corrected polynomials can considerably improve the fiber-coupling efficiency. The improvement brought by AO is compared with that brought by a coherent fiber array. Finally, a hybrid technique that integrates AO and a coherent fiber array is proposed. Results show that the hybrid technique outperforms each of the two above-mentioned techniques. (C) 2009 Elsevier GmbH. All rights reserved.
KeywordFree-space Optical Communication Atmospheric Turbulence Fiber Coupling Efficiency Adaptive Optics Modal Correction Deformable Mirror Adaptive Optics
DOI10.1016/j.ijleo.2009.04.015
URL查看原文
Indexed BySCI
Language英语
WOS IDWOS:000282804700017
WOS KeywordDEFORMABLE MIRROR ; ADAPTIVE OPTICS
WOS Research AreaOptics
WOS SubjectOptics
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/43697
Collection先进制造工艺力学实验室
Corresponding AuthorYan HX
Recommended Citation
GB/T 7714
Wu HL,Yan HX,Li XY,et al. Modal correction for fiber-coupling efficiency in free-space optical communication systems through atmospheric turbulence[J]. Optik,2010,121(19):1789-1793.
APA 吴晗玲,严海星,Li XY,&Yan HX.(2010).Modal correction for fiber-coupling efficiency in free-space optical communication systems through atmospheric turbulence.Optik,121(19),1789-1793.
MLA 吴晗玲,et al."Modal correction for fiber-coupling efficiency in free-space optical communication systems through atmospheric turbulence".Optik 121.19(2010):1789-1793.
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