基于自适应遗传算法的2 μm智能锁模光纤激光器

IF 1.6 Q3 OPTICS
OSA Continuum Pub Date : 2021-10-14 DOI:10.1364/osac.440960
Xian Anhua, Cao Xue, Liu Yangyu, Yibo Wang, X. Yin, Guangmiao Liu, Wei Zhou, Haotian Wang, Hai-tao Huang, D. Tang, D. Shen
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引用次数: 1

摘要

掺铥光纤激光器(TDFL)产生的超快激光的发射波长范围为1.7 ~ 2.1 μm,覆盖了水吸收带和大气透射窗口。本研究采用自适应突变率遗传算法和非线性偏振旋转锁模光纤振荡器相结合的方法,实现了智能掺铥锁模光纤激光器。实验建立了一个闭环反馈系统,包括一个示波器、一台笔记本电脑、一个电极化控制器和一个锁模光纤振荡器。基于上述免人工操作的智能设计,自动产生了稳定的飞秒级类噪声锁模脉冲,输出功率为57.7 mW,中心波长为1973 nm。研究了不同突变率下ga控制的超快TDFL的不同参数结构的演化动力学。该研究将为短波红外区域产生强大的超快激光器铺平道路。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Adaptive genetic algorithm-based 2 μm intelligent mode-locked fiber laser
The emission wavelength of an ultrafast laser generated by thulium (Tm)-doped fiber laser (TDFL) ranges from 1.7 to 2.1 μm, covering the water-absorbing band and atmospheric transmission window. In this study, an intelligent Tm-doped mode-locked fiber laser was experimentally demonstrated by combining a genetic algorithm (GA) with an adaptive mutation rate and a nonlinear polarization rotation mode-locked fiber oscillator. A closed-loop feedback system was set up in the experiment, including an oscilloscope, a laptop computer, an electric polarization controller, and a mode-locked fiber oscillator. Based on the aforementioned intelligent design of manual-operation-free, a stable femtosecond level noise-like-mode-locked pulse with an output power of 57.7 mW and a central wavelength of 1973 nm was automatically generated. The evolutionary dynamics of the different parameter structures of the GA-controlled ultrafast TDFL with varying mutation rates were also investigated. This study will pave the way for generating robust ultrafast lasers in the short-wave infrared region.
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来源期刊
OSA Continuum
OSA Continuum OPTICS-
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