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Bandwidth of adaptive optics system in atmospheric coherent laser communication
Li, Jiawei; Zhang, Zhen; Gao, Jianqiu; Sun, Jianfeng; Chen, Weibiao; wbchen@mail.shcnc.ac.cn
2016
发表期刊Opt. Commun.
卷号359页码:254
摘要The bit-error-rate performance of free space optical communication systems with binary phase shift keying modulation and coherent homodyne detection is performed. Besides the turbulence-induced wave-front phase error and the amplitude fluctuation, the servo bandwidth of adaptive optics system is investigated. It is shown that Greenwood frequency is large enough for the servo bandwidth of adaptive optics system when the detected photons per bit are more than 100. However, if the photons per bit are less than 70, the Greenwood frequency is only sufficient for weak scintillation. We should increase the servo bandwidth to almost twice the value of Greenwood frequency at least in order to obtain an acceptable BER performance when the scintillation index is larger than 0.7. In addition, we also investigate the aperture averaging effects when the receiving aperture is larger than the coherent length. (C) 2015 Published by Elsevier B.V.
文章类型Article
部门归属空间
DOI10.1016/j.optcom.2015.07.087
收录类别SCI
WOS记录号WOS:000364327600039
引用统计
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/28360
专题空间激光信息技术研究中心
通讯作者wbchen@mail.shcnc.ac.cn
作者单位中国科学院上海光学精密机械研究所
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Li, Jiawei,Zhang, Zhen,Gao, Jianqiu,et al. Bandwidth of adaptive optics system in atmospheric coherent laser communication[J]. Opt. Commun.,2016,359:254.
APA Li, Jiawei,Zhang, Zhen,Gao, Jianqiu,Sun, Jianfeng,Chen, Weibiao,&wbchen@mail.shcnc.ac.cn.(2016).Bandwidth of adaptive optics system in atmospheric coherent laser communication.Opt. Commun.,359,254.
MLA Li, Jiawei,et al."Bandwidth of adaptive optics system in atmospheric coherent laser communication".Opt. Commun. 359(2016):254.
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