Switchable and wavelength-spaced tunable multi-wavelength actively Q-switched fiber laser based on EOM and parallel Lyot filters

被引：0
作者：
Li, Yichen [1 ]
Pan, Honggang [1 ]
You, Qingcheng [1 ]
Li, Bin [1 ]
Zhu, Yukun [1 ]
Li, Rupeng [1 ]
Chen, Chunqi [1 ]
Zhao, Zihong [1 ]
机构：
[1] Tianjin Univ Technol, Sch Integrated Circuit Sci & Engn, Tianjin Key Lab Film Elect & Commun Devices, Engn Res Ctr Commun Devices & Technol,Minist Educ, Tianjin 300384, Peoples R China
来源：
OPTICAL FIBER TECHNOLOGY | 2025年 / 90卷
关键词：
Multi-wavelength; Multi-pulse; Q-switched; Fiber laser; Parallel Lyot filter;
D O I：
10.1016/j.yofte.2025.104138
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：
In this paper, a switchable wavelength-spaced adjustable multi-wavelength erbium-doped fiber actively Qswitched fiber laser based on EOM and parallel Lyot filters is proposed. In the experiment, the stable switchable output with different wavelength numbers can be achieved by adjusting the polarization controller of the parallel Lyot filter, and we obtained four kinds of double wavelengths with different wavelength spacing, seven kinds of triple wavelengths with different wavelength spacing, and three kinds of quadruple wavelengths with different wavelength spacing. With the increase of the pump power, the output wavelengths number can reach ten. In addition, single- and dual-pulse can be observed during modulation, and the dual-pulse interval can be adjusted from 35 mu s to 38 mu s. The wavelength spacing of the proposed laser, and the pulse spacing of the dual-pulse can be adjusted more flexibly. It has promising applications in laser therapy; optical measurements and laser imaging.
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页数：11
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