Narrow-linewidth single-longitudinal-mode erbium-doped fiber laser with high OSNR, high output power and low wavelength drift

IF 3.4 3区物理与天体物理 Q2 INSTRUMENTS & INSTRUMENTATION Infrared Physics & Technology Pub Date : 2025-04-01 Epub Date: 2025-02-12 DOI:10.1016/j.infrared.2025.105762

Pengfei Wang , Haoyu Tan , Fengping Yan , Ting Li , Qi Qin , Ting Feng , Hao Guo , Yongpeng Xie , Siyu Peng , Qiuyu Huang , Jiawen Liu , Peng Liu , Dandan Yang , Shiying Zan

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Abstract

A high optical signal-to-noise ratio (OSNR), high output power, low wavelength drift, and narrow-linewidth single-longitudinal-mode (SLM) erbium-doped fiber laser (EDFL), the subject of this research, consists of three parts: main cavity, self-injection locked feedback mechanism and erbium-doped fiber amplifier (EDFA). During an observation time of 60 min, the proposed EDFL can generate SLM lasing with an OSNR > 75.04 dB. The maximum wavelength drift in that time remained at a low level of 0.0085 nm. Moreover, the maximum SLM output optical power could reach 157.20 mW. Measures of the output laser performance, such as dependence of output power variations on pump power, power spectral density of frequency fluctuation, and frequency shift of the relaxation oscillation peak, were investigated and analyzed in this research.

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具有高OSNR、高输出功率和低波长漂移的窄线宽单纵模掺铒光纤激光器

本课题研究的高光信噪比、高输出功率、低波长漂移、窄线宽单纵向模掺铒光纤激光器（EDFL）由主腔、自注入锁定反馈机构和掺铒光纤放大器（EDFA）三部分组成。在60 min的观测时间内，所提出的EDFL可以产生OSNR为>的SLM激光；75.04 dB。在这段时间内，最大波长漂移保持在0.0085 nm的低水平。SLM最大输出光功率可达157.20 mW。研究并分析了输出功率变化对泵浦功率的依赖性、频率波动的功率谱密度以及弛豫振荡峰的频移等输出性能指标。

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来源期刊

Infrared Physics & Technology 物理-光学

CiteScore

5.70

自引率

12.10%

发文量

400

审稿时长

67 days

期刊介绍： The Journal covers the entire field of infrared physics and technology: theory, experiment, application, devices and instrumentation. Infrared'' is defined as covering the near, mid and far infrared (terahertz) regions from 0.75um (750nm) to 1mm (300GHz.) Submissions in the 300GHz to 100GHz region may be accepted at the editors discretion if their content is relevant to shorter wavelengths. Submissions must be primarily concerned with and directly relevant to this spectral region. Its core topics can be summarized as the generation, propagation and detection, of infrared radiation; the associated optics, materials and devices; and its use in all fields of science, industry, engineering and medicine. Infrared techniques occur in many different fields, notably spectroscopy and interferometry; material characterization and processing; atmospheric physics, astronomy and space research. Scientific aspects include lasers, quantum optics, quantum electronics, image processing and semiconductor physics. Some important applications are medical diagnostics and treatment, industrial inspection and environmental monitoring.