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首页> 外文期刊>Optical fiber technology >Tunable erbium-doped fiber laser based on optical fiber Sagnac interference loop with angle shift spliced polarization maintaining fibers
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Tunable erbium-doped fiber laser based on optical fiber Sagnac interference loop with angle shift spliced polarization maintaining fibers

机译：基于光纤萨格纳克干涉回路的可调谐掺-光纤激光器，带有角移拼接保偏光纤

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摘要

In this paper, we propose and experimentally demonstrate a tunable erbium-doped fiber laser (EDFL) with Sagnac interference loop with 45 degrees angle shift spliced polarization maintaining fibers (PMFs). In the Sagnac loop, two PMFs with similar lengths. The Sagnac loop outputs a relatively complex interference spectrum since two beams transmitted in clockwise and counterclockwise encounter at the 3 dB coupler, interfere, and form two interference combs when the light transmitted in the Sagnac loop. The laser will excite and be stable when two interference lines in these two interference combs overlap together. Then by adjusting the polarization controller, the wide wavelength tuning is realized. Experimental results show that stable single wavelength laser can be realized in the wavelength range of 1585 nm-1604 nm under the pump power 157.1 mW. The side-mode suppression ratio is not less than 53.9 dB. The peak power fluctuation is less than 0.29 dB within 30 min monitor time and the side-mode suppression ratio is great than 57.49 dB when the pump power is to 222.7 mW.
机译：在本文中，我们提出并通过实验证明了具有Sagnac干涉环路的可调谐掺-光纤激光器（EDFL），该光纤具有45度角移接保偏光纤（PMF）。在Sagnac循环中，两个具有相似长度的PMF。 Sagnac环路输出相对复杂的干涉光谱，因为在Sagnac环路中透射的光时，顺时针和逆时针传输的两个光束在3 dB耦合器处相遇，发生干涉并形成两个干涉梳。当这两个干涉梳中的两条干涉线重叠在一起时，激光将激发并保持稳定。然后通过调节偏振控制器，实现了宽波长调谐。实验结果表明，在泵浦功率为157.1 mW的情况下，可以在1585 nm-1604 nm的波长范围内实现稳定的单波长激光器。旁模抑制比不小于53.9 dB。在30分钟的监视时间内，峰值功率波动小于0.29 dB，并且当泵浦功率达到222.7 mW时，旁模抑制比大于57.49 dB。

著录项

  • 来源
    《Optical fiber technology》 |2018年第5期|1-5|共5页
  • 作者

    Ding Zhenming; Wang Zhaokun; Zhao Chunliu; Wang Dongning;

  • 作者单位

    China Jiliang Univ, Inst Optoeletron Technol, Hangzhou 310018, Zhejiang, Peoples R China;

    China Jiliang Univ, Inst Optoeletron Technol, Hangzhou 310018, Zhejiang, Peoples R China;

    China Jiliang Univ, Inst Optoeletron Technol, Hangzhou 310018, Zhejiang, Peoples R China;

    China Jiliang Univ, Inst Optoeletron Technol, Hangzhou 310018, Zhejiang, Peoples R 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

    Sagnac loop; Erbium-doped fiber; Tunable; Polarization maintaining fiber;

    机译：Sagnac环;掺E光纤;可调式;保偏光纤;

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