Nonlinear dynamics in a circular-sided square microcavity laser

被引：14

作者：

Li, Jian-Chen ^{[1
,2
]}

Xiao, Jin-Long ^{[1
,2
]}

Yang, Yue-De ^{[1
,2
]}

Chen, You-Ling ^{[1
,2
]}

Huang, Yong-Zhen ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Inst Semicond, State Key Lab Integrated Optoelect, Beijing 100083, Peoples R China

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

来源：

PHOTONICS RESEARCH | 2023年 / 11卷 / 11期

基金：

中国国家自然科学基金;

关键词：

WIDE-BAND CHAOS; SEMICONDUCTOR-LASER; OPTICAL FEEDBACK; GENERATION; ROUTE; INJECTION;

D O I：

10.1364/PRJ.489371

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Self-chaotic dual-mode and tri-mode microcavity lasers have been recently proposed and demonstrated for highspeed random number generation. Here, we report the characteristics of irregular pulse packages and self-chaos operation for a dual-mode circular-sided square microcavity laser. In addition to the mode interaction between the fundamental and first-order transverse modes, we observed irregular pulse packages due to the mode beating of near-degenerate modes for the first time to our best knowledge. Moreover, a successive route from periodic-one and periodic-three states to chaos is first experimentally illustrated by increasing injection current. The chaotic state is observed over a current range of 10 mA, and the maximum chaos effective bandwidth of 22.4 GHz is realized with a flatness of +/- 4 dB. Chaotic characteristics are also investigated for different longitudinal modes, which indicates that the self-chaotic microlaser can provide robust parallel chaotic outputs for practical application. (c) 2023 Chinese Laser Press

引用

页码：A97 / A106

页数：10

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