Wideband chaos synchronization using discrete-mode semiconductor lasers

被引：4
作者：
Wang, Longsheng [1 ,2 ]
Huang, Huiyu [1 ,2 ]
Mao, Xiaoxin [1 ,2 ]
Jia, Zhiwei [1 ,2 ]
Sun, Yuehui [3 ,4 ]
Li, Songsui [5 ]
Wang, Yuncai [3 ,4 ]
Yan, Lianshan [5 ]
Wang, Anbang [3 ,4 ]
机构：
[1] Minist Educ & Shanxi Prov, Key Lab Adv Transducers & Intelligent Control Syst, Taiyuan 030024, Peoples R China
[2] Taiyuan Univ Technol, Coll Phys & Optoelect, Taiyuan 030024, Peoples R China
[3] Guangdong Univ Technol, Sch Informat Engn, Guangzhou 510006, Peoples R China
[4] Guangdong Prov Key Lab Photon Informat Technol, Guangzhou 510006, Peoples R China
[5] Southwest Jiaotong Univ, Ctr Informat Photon & Commun, Sch Informat Sci & Technol, Chengdu 610031, Peoples R China
来源：
OPTICS LETTERS | 2023年 / 48卷 / 13期
基金：
中国国家自然科学基金;
关键词：
BANDWIDTH-ENHANCED CHAOS; OPTICAL CHAOS; GENERATION; COMMUNICATION; TRANSMISSION; DYNAMICS; GBIT/S; DIODE;
D O I：
10.1364/OL.487178
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Optical chaos communication encounters difficulty in high-speed transmission due to the challenge of realizing wideband chaos synchronization. Here, we experimen-tally demonstrate a wideband chaos synchronization using discrete-mode semiconductor lasers (DMLs) in a mas-ter-slave open-loop configuration. The DML can generate wideband chaos with a 10-dB bandwidth of 30 GHz under simple external mirror feedback. By injecting the wideband chaos into a slave DML, an injection-locking chaos synchro-nization with synchronization coefficient of 0.888 is realized. A parameter range with frequency detuning of -18.75 GHz to approximately 1.25 GHz under strong injection is identi-fied for yielding the wideband synchronization. In addition, we find it more susceptible to achieve the wideband synchro-nization using the slave DML with lower bias current and smaller relaxation oscillation frequency.& COPY; 2023 Optica Pub-lishing Group
引用
收藏
页码：3467 / 3470
页数：4
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