Chaos Generation in Semiconductor Laser with Random Digital Optical Injection

被引：0

作者：

Peng Xiaohui ^{[1
,2
]}

Du Yicheng ^{[1
,2
]}

Gao Hua ^{[1
,2
]}

Wang Longsheng ^{[1
,2
]}

Wang Anbang ^{[1
,2
]}

机构：

[1] Taiyuan Univ Technol, Key Lab Adv Transducers & Intelligent Control Sys, Minist Educ, Taiyuan 030024, Shanxi, Peoples R China

[2] Taiyuan Univ Technol, Coll Phys & Optoelect, Taiyuan 030024, Shanxi, Peoples R China

来源：

ACTA OPTICA SINICA | 2022年 / 42卷 / 22期

关键词：

lasers; chaos; optical injection; nonlinear dynamics; NONLINEAR DYNAMICS; MICROWAVE GENERATION; SYNCHRONIZATION; COMMUNICATION; PERFORMANCE; SUBJECT;

D O I：

10.3788/AOS202242.2214001

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This paper proposes and numerically studies a scheme of chaos generation in semiconductor lasers with randomdigital- phase- modulated optical injection. The simulation results demonstrate that as the modulation rate or modulation depth increases, the laser state changes from injection-locking to chaotic through a quasi-periodic route due to the excitation of undamped relaxation oscillation by the phase change. Chaotic laser with an effective bandwidth over 10 GHz can be generated by random- digital-phase-modulated optical injection. Given the anti-interference capability of digital signals in long- distance transmission, the proposed scheme provides a new approach for long- distance chaos synchronization and key distribution.

引用

页数：7

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