Communication Performance of OAM Based FSO System in Weak Turbulence Environment

被引：1
|
作者：
Du, Silun [1 ]
Wang, Tainshu [1 ]
Yang, Qiaochu [1 ]
Li, Baoqun [1 ]
机构：
[1] Changchun Univ Sci & Technol, Natl & Local Joint Engn Res Ctr Space Optoelect T, Changchun, Peoples R China
来源：
2022 IEEE 10TH INTERNATIONAL CONFERENCE ON INFORMATION, COMMUNICATION AND NETWORKS (ICICN 2022) | 2022年
基金：
中国国家自然科学基金;
关键词：
free space communication; orbital angular momentum; orbital angular momentum multiplexing; ORBITAL ANGULAR-MOMENTUM; ATMOSPHERIC-TURBULENCE; LIGHT; TRANSMISSION; MODULATION;
D O I：
10.1109/ICICN56848.2022.10006581
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The communication performance of orbital angular momentum (OAM) based free space communication in a weak atmospheric turbulence environment is experimentally studied in this paper. We use spatial light modulator (SLM) to generate +10th and +20th OAM beams, respectively, and high-speed communication with the communication rate of 28Gbit/s in each link is demonstrated. The turbulence channel used is based on the hot plate thermal convection principle, a weak, controllable turbulence environment. The experiment also compares the communication performance of traditional Gaussian beams and + 10th and +20th OAM beams. The experimental results show that in a weak turbulent environment, compared with Gaussian beam-based system, high order OAM beam-based system can reduce the scintillation index by 33% to be 0.27 and improve the detection sensitivity by 2.94dB to -21.93dBm.
引用
收藏
页码：142 / 146
页数：5
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