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Performance evaluation of adaptive optics for atmospheric coherent laser communications
Liu, Chao1,2; Chen, Shanqiu1,2; Li, Xinyang1,2; Xian, Hao1,2
Source PublicationOptics Express
Volume22Issue:13Pages:15554-15563
2014
Language英语
DOI10.1364/OE.22.015554
Indexed BySCI ; Ei
WOS IDWOS:000338055900040
Subtype期刊论文
AbstractWith extremely high sensitivity, the coherent laser communications has a large potential to be used in the long-range and high data-rate free space communication links. However, for the atmospheric turbulent links, the most significant factor that limits the performance of the coherent laser communications is the effect of atmospheric turbulence. In this paper, we try to integrate the adaptive optics (AO) to the coherent laser communications and analyze the performances. It is shown that, when the atmospheric turbulence condition D/r0 is not larger than 1, can the coherent laser communication system works well without the correction of an AO system. When it is in the gentle turbulent condition (around D/r0 = 2), only the tip and tilt correction can improve the mixing efficiency and the biterror rate (BER) significantly. In the moderate (around D/r0 = 10) or relatively strong (around D/r0 = 17) turbulent condition, the AO system has to correct about 9 or 35 turbulent modes or more respectively to achieve a favorable performance. In conclusion, we have demonstrated that the AO technique has great potential to improve the performances of the atmospheric coherent laser communications. © 2014 Optical Society of America.; With extremely high sensitivity, the coherent laser communications has a large potential to be used in the long-range and high data-rate free space communication links. However, for the atmospheric turbulent links, the most significant factor that limits the performance of the coherent laser communications is the effect of atmospheric turbulence. In this paper, we try to integrate the adaptive optics (AO) to the coherent laser communications and analyze the performances. It is shown that, when the atmospheric turbulence condition D/r0 is not larger than 1, can the coherent laser communication system works well without the correction of an AO system. When it is in the gentle turbulent condition (around D/r0 = 2), only the tip and tilt correction can improve the mixing efficiency and the biterror rate (BER) significantly. In the moderate (around D/r0 = 10) or relatively strong (around D/r0 = 17) turbulent condition, the AO system has to correct about 9 or 35 turbulent modes or more respectively to achieve a favorable performance. In conclusion, we have demonstrated that the AO technique has great potential to improve the performances of the atmospheric coherent laser communications. © 2014 Optical Society of America.
Citation statistics
Cited Times:42[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/6385
Collection自适应光学技术研究室(八室)
Affiliation1. Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu 610209, China
2. Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China
Recommended Citation
GB/T 7714
Liu, Chao,Chen, Shanqiu,Li, Xinyang,et al. Performance evaluation of adaptive optics for atmospheric coherent laser communications[J]. Optics Express,2014,22(13):15554-15563.
APA Liu, Chao,Chen, Shanqiu,Li, Xinyang,&Xian, Hao.(2014).Performance evaluation of adaptive optics for atmospheric coherent laser communications.Optics Express,22(13),15554-15563.
MLA Liu, Chao,et al."Performance evaluation of adaptive optics for atmospheric coherent laser communications".Optics Express 22.13(2014):15554-15563.
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