Automatic mode-locked fiber laser based on adaptive genetic algorithm

被引：7

作者：

Han, Dongdong ^{[1
]}

Guo, Ruotong ^{[1
]}

Li, Guojun ^{[2
]}

Chen, Yani ^{[1
]}

Zhang, Boyuan ^{[1
]}

Ren, Kaili ^{[1
]}

Zheng, Yipeng ^{[1
]}

Zhu, Lipeng ^{[1
]}

Li, Tiantian ^{[1
]}

Hui, Zhanqiang ^{[1
]}

机构：

[1] Xian Univ Posts & Telecommun, Sch Elect Engn, Xian 710121, Peoples R China

[2] China Xian Satellite Control Ctr, Xian 710043, Shaanxi, Peoples R China

来源：

OPTICAL FIBER TECHNOLOGY | 2024年 / 83卷

基金：

中国国家自然科学基金;

关键词：

Adaptive genetic algorithm; Stretched pulse; Passively mode-locked fiber laser; CROSSOVER; EVOLUTION;

D O I：

10.1016/j.yofte.2024.103677

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A modified adaptive genetic algorithm (GA) is proposed and implemented in a mode-locked erbium-doped fiber laser (EDFL) based on nonlinear polarization rotation. The algorithm combines GAs with adaptive crossover and mutation rates. As the number of iterations increases during the solving operation, the crossover and mutation rates are dynamically adjusted with the change in the fitness function value. A stretched pulse was automatically generated when the modified adaptive GA was continuously optimized to converge the intracavity polarization state to the target state. The average number of generations required to adjust from other states to stretched pulse locking is two, which is better than that afforded by the general GA. The evolution curves of the mode-locked EDFL with different crossover and mutation rates were investigated, and the results indicate the effectiveness of the proposed modified adaptive GA. This study proposes a new scheme for rapid polarization searching in automatic mode-locked fiber lasers.

引用

页数：6

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