A Novel Polarization-Multiplexing System for Free-Space Optical Links

被引：24
|
作者：
Xie, Guodong [1 ]
Wang, Fangxiang [2 ]
Dang, Anhong [1 ]
Guo, Hong [1 ]
机构：
[1] Peking Univ, Dept Elect & Comp Sci, Beijing 100871, Peoples R China
[2] Beijing Univ Posts & Telecommun, Sch Informat & Commun Engn, Beijing 100876, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2011年 / 23卷 / 20期
关键词：
Coherent communication; free-space optical links; polarization multiplexing; COHERENT;
D O I：
10.1109/LPT.2011.2163501
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this letter, a novel polarization-multiplexing system for free-space optical links is proposed. Data is specially designed at the transmitter while received by coupling two lights in different states of polarization (SOP) after polarization rotation at the receiver. Based on this design, the closed form expression for bit-error-rate (BER) performance of the system is given. Our results indicate that polarization control error has no obvious influence on the system performance when it is less than 10 degrees. Performance of our system is superior to the traditional binary phase-shift keying (BPSK) scheme on overcoming phase fluctuation.
引用
收藏
页码：1484 / 1486
页数：3
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