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开环单向耦合半导体激光器的相位混沌同步

Phase Chaos Synchronization of Semiconductor Laser with Open-Loop Unidirectional Coupling Configuration

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摘要

研究半导体激光器开环单向耦合的相位混沌同步。采用希尔伯特变换提取混沌激光器光场的相位时间序列,利用互相关系数、同步误差分析半导体激光器相位同步特性。实验结果表明,当注入强度大于0.80、频率失谐为-11.0~4.0 GHz时,主、从激光器可实现同步系数大于0.95的相位混沌同步,且相位混沌同步的参数范围大于强度混沌同步。实验也依据平均相位差验证了系统的相位锁定现象。

Abstract

A phase chaos synchronization of semiconductor lasers with open-loop unidirectional coupling is studied. The phase time series of chaotic laser field is extracted using a Hilbert transform, and the phase synchronization characteristic is analyzed by a cross correlation coefficient and synchronization error. The results of the experiment show that the master laser and slave laser can attain a phase chaos synchronization with a synchronization coefficient above 0.95 at an injection strength exceeding 0.80 and its frequency detuning from -11 GHz to 4 GHz. The results also show that phase chaos synchronization has a wider parameter range than intensity chaos synchronization. According to the average phase difference, the phase-locking phenomenon is also observed during the experiment.

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中图分类号:TN248.4

DOI:10.3788/CJL202047.1001003

所属栏目:激光器件与激光物理

基金项目:国家自然科学基金、山西省1331工程重点创新团队项目、山西省高等学校中青年拔尖创新人才计划、山西省优秀人才科技创新项目;

收稿日期:2020-05-06

修改稿日期:2020-06-04

网络出版日期:2013-10-01

作者单位    点击查看

孙宇川:太原理工大学新型传感器与智能控制教育部重点实验室, 山西 太原 030024太原理工大学物理与光电工程学院, 山西 太原 030024
毛晓鑫:太原理工大学新型传感器与智能控制教育部重点实验室, 山西 太原 030024太原理工大学物理与光电工程学院, 山西 太原 030024
王安帮:太原理工大学新型传感器与智能控制教育部重点实验室, 山西 太原 030024太原理工大学物理与光电工程学院, 山西 太原 030024

联系人作者:王安帮(wanganbang@tyut.edu.cn)

备注:国家自然科学基金、山西省1331工程重点创新团队项目、山西省高等学校中青年拔尖创新人才计划、山西省优秀人才科技创新项目;

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引用该论文

Sun Yuchuan,Mao Xiaoxin,Wang Anbang. Phase Chaos Synchronization of Semiconductor Laser with Open-Loop Unidirectional Coupling Configuration[J]. Chinese Journal of Lasers, 2020, 47(10): 1001003

孙宇川,毛晓鑫,王安帮. 开环单向耦合半导体激光器的相位混沌同步[J]. 中国激光, 2020, 47(10): 1001003

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