材料科学
激光线宽
纵向模式
光纤激光器
光学
相对强度噪声
激光器
光电子学
半导体激光器理论
波长
二极管
物理
作者
Haoyu Tan,Fengping Yan,Ting Feng,Ting Li,Qi Qin,Dandan Yang,Hao Guo,Xiangdong Wang,Guiying Wu,Yuezhi Cai,Yuping Suo,Binbin Yan,Youchao Jiang
标识
DOI:10.1016/j.yofte.2023.103655
摘要
Single-longitudinal-mode (SLM) fiber lasers have the advantages of stable output, long coherence length, and low noise. However, several fiber lasers still maintain multiple longitudinal mode outputs. Thus, a highly stable SLM erbium-doped fiber laser (EDFL) was proposed and investigated. The dual-ring compound cavity (DRCC) filter, composed of two Type-Ⅱ fiber rings, and a 1.5 m unpumped erbium-doped fiber (EDF) was used as a mode-selection filter. The mode-selection capability of the DRCC filter and unpumped EDF was investigated and discussed theoretically and experimentally. The proposed EDFL could generate stable SLM output with an optical signal-to-noise ratio of ∼ 64 dB over 60 min. The maximum wavelength drift was not observed on an optical spectrum analyzer and the maximum peak power fluctuation was kept at a low level of 0.16 dB. The output power variations with different pump powers, the relative intensity noise, the relaxation oscillation, and the linewidth at different integration times were investigated. Furthermore, the performance of the proposed EDFL acted as a strain sensor and temperature sensor with sensitivities of 1.0 pm/με and 11.4 pm/℃ were also discussed.
科研通智能强力驱动
Strongly Powered by AbleSci AI