激光技术2025，Vol.49Issue(1)：1-7,7.DOI:10.7510/jgjs.issn.1001-3806.2025.01.001
基于可饱和吸收体和3 dB环镜滤波器结构的双波长激光器
Dual-wavelength laser based on saturable absorber and 3 dB ring mirror filter structure
摘要
Abstract
In order to improve the laser output quality of a dual-wavelength annular cavity laser,a saturable absorber of erbium-doped fiber was added to the 3 dB ring mirror to form a filter ring,and the filter ring and the output coupler were cascaded to realize the laser output filtering.Theoretical analysis and experimental verification were carried out.The results show that the laser output bandwidth of 1554 nm and 1562 nm wavelengths are 0.029 nm and 0.038 nm,the peak fluctuations of dual wavelengths are 0.0048 mW and 0.0087 mW,and the signal-to-noise ratio is 55 dB,respectively.The results show that the dual-wavelength laser based on the saturable absorber and 3 dB ring mirror filter structure has better linewidth narrowing characteristics and stability.It can be used in the field of high capacity communication and laser therapy.关键词
激光器/环形腔/双波长/可饱和吸收体/窄线宽Key words
lasers/annular cavity/dual wavelength/saturable absorber/narrow linewidth分类
信息技术与安全科学引用本文复制引用
张威,果鑫,赖榕,韩林桀,夏志鸿..基于可饱和吸收体和3 dB环镜滤波器结构的双波长激光器[J].激光技术,2025,49(1):1-7,7.基金项目
湖南省教育厅科学研究重点项目(23A0446) （23A0446）
湖南省自然科学基金(省市联合)资助项目(2022JJ50067) （省市联合）
湖南工业大学2023年大学生创新创业训练计划项目 （）
