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Simulation of Gb/s free space optical secure communication using interband cascade laser chaos

被引：1
|
作者：
Han, Hong [1 ]
Xu, Jiada [1 ]
Cheng, Xumin [1 ]
Jia, Zhiwei [1 ]
Zhang, Jianguo [1 ]
Shore, K. Alan [2 ]
机构：
[1] Taiyuan Univ Technol, Coll Elect Informat & Opt Engn, Key Lab Adv Transducers & Intelligent Control Syst, Coll Phys,Minist Educ, Taiyuan 030024, Peoples R China
[2] Bangor Univ, Sch Comp Sci & Elect Engn, Bangor LL57 1UT, Wales
来源：
OPTICS COMMUNICATIONS | 2024年 / 559卷
基金：
中国国家自然科学基金; 美国国家科学基金会;
关键词：
Chaos laser communication; Mid -infrared lasers; Interband cascade laser; SYNCHRONIZATION; SUBJECT;
D O I：
10.1016/j.optcom.2024.130424
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We theoretically explore Gb/s message encryption in free space communications exploiting synchronized midinfrared chaos from unidirectionally coupled interband cascade lasers (ICLs) with optical feedback. The achievable message encryption rate depends on the chaos bandwidth and relaxation frequency oscillation of the ICL which in turn, are determined by the bias current and the number of stages of the ICL. It is shown that message encryption rates up to 4 Gb/s may be obtained with bit error rate (BER) compatible with regular telecommunication systems requirements.
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页数：6
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