Direct phase control method for binary phase-shift keying space coherent laser communication

被引：8

作者：

Ren, Weijie ^{[1
,2
]}

Sun, Jianfeng ^{[3
]}

Hou, Peipei ^{[1
]}

Han, Ronglei ^{[1
,2
]}

He, Hongyu ^{[1
]}

Cong, Haisheng ^{[1
,2
]}

Li, Chaoyang ^{[1
]}

Zhang, Longkun ^{[1
]}

Jiang, Yuxin ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Space Laser Commun & Detect Technol, Shanghai 201800, Peoples R China

[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China

[3] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Dept Aerosp Laser Engn, Shanghai 201800, Peoples R China

来源：

CHINESE OPTICS LETTERS | 2022年 / 20卷 / 06期

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

space coherent laser communication; direct phase control; optical phase-locked loop; IQ modulation; IN-ORBIT TEST; ARTEMIS; SYSTEM; PERFORMANCE; RECEIVER; LINK;

D O I：

10.3788/COL202220.060601

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An optical phase locking method based on direct phase control is proposed. The core of this method is to synchronize the carrier by directly changing the phase of the local beam. The corresponding experimental device and the supporting algorithm were configured to verify the feasibility of this method. Phase locking can be completed without cycle skipping, and the acquisition time is 530 ns. Without an optical preamplifier, a sensitivity of -34.4 dBm is obtained, and the bit error rate is 10(-9) for 2.5 Gbit/s binary phase-shift keying modulation. The measured standard deviation of the phase error is 5.2805 degrees.

引用

页数：6

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