BER Analysis of Coherent Free Space Optical Communication Systems with Holographic Modal Wavefront Sensor

被引：18

作者：

Liu, Wei ^{[1
]}

Yao, Kainan ^{[2
]}

Huang, Danian ^{[1
]}

Cao, Jingtai ^{[2
,3
]}

Wang, Liang ^{[2
]}

Gu, Haijun ^{[3
]}

机构：

[1] 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, Peoples R China

[3] Jilin Univ, Coll Commun Engn, 5372 Nanhu Rd, Changchun 130012, Peoples R China

来源：

CURRENT OPTICS AND PHOTONICS | 2017年 / 1卷 / 01期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

BER; Coherent FSO communication; Holographic modal wavefront sensor; Aberrations correction; ADAPTIVE OPTICS; PERFORMANCE ANALYSIS; COMPENSATION; ATMOSPHERE;

D O I：

10.3807/COPP.2017.1.1.001

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Degradation of bit-error-rate (BER), caused by atmospheric turbulence, seriously hinders the performance of coherent Free Space Optical (FSO) communication systems. An adaptive optics system proves to be effective in suppressing the atmospheric turbulence. The holographic modal wavefront sensor (HMWFS) proposed in our previous work, noted for its fast detecting rates and insensitivity to beam scintillation, is applied to the coherent FSO communication systems. In this paper, based on our previous work, we first introduce the principle of the HMWFS in brief and give the BER of the coherent FSO with homodyne detection in theory, and then analyze the improvement of BER for a coherent FSO system based on our previous simulation works. The results show that the wavefront sensor we propose is better for weak atmospheric turbulence. The most obvious advantages of HMWFS are fast detecting rates and insensitivity to beam scintillation.

引用

页码：1 / 6

页数：6

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