Performance evaluation of coherent free space optical communications with a double-stage fast-steering-mirror adaptive optics system depending on the Greenwood frequency

被引：76
作者：
Liu, Wei [1 ]
Yao, Kainan [2 ]
Huang, Danian [1 ]
Lin, Xudong [2 ]
Wang, Liang [2 ]
Lv, Yaowen [3 ]
机构：
[1] Jilin Univ, Coll Geoexplorat Sci & Technol, 938 West Democracy St, Changchun 130026, Jilin, Peoples R China
[2] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, 3888 Nanhu Rd, Changchun 130033, Jilin, Peoples R China
[3] Changchun Univ Sci & Technol, Sch Optoelect Engn, 7089 Weixing Rd, Changchun 130022, Jilin, Peoples R China
来源：
OPTICS EXPRESS | 2016年 / 24卷 / 12期
基金：
中国博士后科学基金;
关键词：
PHASE COMPENSATION;
D O I：
10.1364/OE.24.013288
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The Greenwood frequency (GF) is influential in performance improvement for the coherent free space optical communications (CFSOC) system with a closed-loop adaptive optics (AO) unit. We analyze the impact of tilt and high-order aberrations on the mixing efficiency (ME) and bit-error-rate (BER) under different GF. The root-mean-square value (RMS) of the ME related to the RMS of the tilt aberrations, and the GF is derived to estimate the volatility of the ME. Furthermore, a numerical simulation is applied to verify the theoretical analysis, and an experimental correction system is designed with a double-stage fast-steering-mirror and a 97-element continuous surface deformable mirror. The conclusions of this paper provide a reference for designing the AO system for the CFSOC system. (C) 2016 Optical Society of America
引用
收藏
页码：13288 / 13302
页数：15
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