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首页> 外文期刊>Optical engineering >Study of dual-coupler fiber ring and saturable absorber-based stable single-longitudinal-mode fiber laser
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Study of dual-coupler fiber ring and saturable absorber-based stable single-longitudinal-mode fiber laser

机译：双耦合纤维环和饱和吸收剂的稳定单纵型光纤激光研究

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摘要

A configuration of single-longitudinal-mode (SLM) erbium-doped-fiber (EDF) ring laser with high stability and narrow linewidth is proposed and experimentally demonstrated. The device is composed of a dual-coupler fiber ring (DCFR) and an unpumped EDF-based saturable absorber (SA); the DCFR serves as the mode filter and facilitates the selection of the SLM while the SA produces the ultranarrow band autotracking filter effect and guarantees the SLM out. This scheme possesses the merits of being easy to fabricate, good performance, and high stability. It is easy to manufacture without strict limitations in the length of the DCFR. The output of the SLM EDF laser presents excellent performance with a linewidth of 1.52 kHz and the optical signal-to-noise ratio of 54 dB. Moreover, the proposed EDF laser exhibits remarkably good stability: the SLM operation is observed to have been stable for 3 h; the output power fluctuation and the central wavelength variation of the laser are 0.011 dB and 0.02 nm in 1 h, respectively.
机译：提出了一种具有高稳定性和窄线宽的单纵型（SLM）掺铒光纤（EDF）环激光的配置，并进行了实验证明。该装置由双耦合器光纤环（DCFR）和基于未捕获的EDF的可饱和吸收器（SA）组成; DCFR用作模式滤波器，并有助于选择SLM，而SA产生超载带自动回复过滤器效果并保证SLM OUT。该方案具有易于制造，性能良好和高稳定性的优点。在DCFR的长度中，易于制造而没有严格的限制。 SLM EDF激光器的输出具有优异的性能，具有1.52 kHz的线宽和54 dB的光学信噪比。此外，所提出的EDF激光器表现出显着的稳定性：观察到SLM操作以稳定3小时;输出功率波动和激光的中心波长变化分别为0.011dB和0.02nm，分别为1小时。

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  • 来源
    《Optical engineering》 |2019年第6期|066113.1-066113.5|共5页
  • 作者

    Zhengkang Wang; Jianming Shang; Lihua Tang; Kuanlin Mu; Song Yu; Yaojun Qiao;

  • 作者单位

    Beijing University of Posts and Telecommunications School of Information and Communication Engineering Beijing China;

    Beijing University of Posts and Telecommunications Institute of Information Photonics and Optical communications Beijing China;

    Beijing University of Posts and Telecommunications School of Information and Communication Engineering Beijing China;

    Beijing University of Posts and Telecommunications School of Information and Communication Engineering Beijing China;

    Beijing University of Posts and Telecommunications Institute of Information Photonics and Optical communications Beijing China;

    Beijing University of Posts and Telecommunications School of Information and Communication Engineering Beijing China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    fiber laser; single longitudinal mode; dual-coupler fiber ring; saturable absorber;

    机译：光纤激光器;单纵向模式;双耦合器纤维环;可饱和吸收剂;

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