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Compact dual-wavelength continuous-wave Er-doped fiber laser

SHI Jun-kai WANG Guo-ming JI Rong-yi ZHOU Wei-hu

石俊凯, 王国名, 纪荣祎, 周维虎. 结构紧凑的双波长连续波掺铒光纤激光器[J]. 中国光学(中英文), 2019, 12(4): 810-819. doi: 10.3788/CO.20191204.0810
引用本文: 石俊凯, 王国名, 纪荣祎, 周维虎. 结构紧凑的双波长连续波掺铒光纤激光器[J]. 中国光学(中英文), 2019, 12(4): 810-819. doi: 10.3788/CO.20191204.0810
SHI Jun-kai, WANG Guo-ming, JI Rong-yi, ZHOU Wei-hu. Compact dual-wavelength continuous-wave Er-doped fiber laser[J]. Chinese Optics, 2019, 12(4): 810-819. doi: 10.3788/CO.20191204.0810
Citation: SHI Jun-kai, WANG Guo-ming, JI Rong-yi, ZHOU Wei-hu. Compact dual-wavelength continuous-wave Er-doped fiber laser[J]. Chinese Optics, 2019, 12(4): 810-819. doi: 10.3788/CO.20191204.0810

结构紧凑的双波长连续波掺铒光纤激光器

基金项目: 

中国科学院国际合作局对外合作重点项目 181811KYSB20160029

中国科学院前沿科学重点研究计划 QYZDY-SSW-JSC008

详细信息
    作者简介:

    石俊凯(1986-), 男, 天津宁河人, 博士, 助理研究员, 2009年、2015年于天津大学分别获得学士、博士学位, 主要从事光纤飞秒激光器及光梳测量方面的研究。E-mail:shijunkai@aoe.ac.cn

    王国名(1986—),男,辽宁庄河人,硕士,助理研究员,2011年、2014年于长春理工大学分别获得学士、硕士学位,主要从事激光测量方面的研究。E-mail:wangguoming@aoe.ac.cn

    纪荣祎(1983—),男,陕西渭南人,博士,副研究员,2006年于北京化工大学获得学士学位,2012年于北京理工大学获得博士学位,主要从事激光测量方面的研究。E-mail:jirongyi@aoe.ac.cn

    周维虎(1962-), 男, 安徽无为人, 博士, 研究员, 博士生导师, 1983年、2000年于合肥工业大学分别获得学士、博士学位, 主要从事精密仪器与几何量计量方面的研究。E-mail:zhouweihu@aoe.ac.cn

  • 中图分类号: TN242

Compact dual-wavelength continuous-wave Er-doped fiber laser

doi: 10.3788/CO.20191204.0810
Funds: 

the Key Project of Bureau of International Cooperation, Chinese Academy of Sciences 181811KYSB20160029

the Key Research Project of Bureau of Frontier Sciences and Education, Chinese Academy of Sciences QYZDY-SSW-JSC008

More Information
  • 摘要: 多波长掺铒光纤激光器在波分复用光学通信等领域具有广阔的应用前景,引起了大量关注。为了满足不同场合的应用需求,本文报道了一种结构紧凑、基于非线性放大光纤环镜的双波长连续运转掺铒光纤激光器。该激光器采用全保偏光纤结构。除了光纤外,激光腔内只含有波分复用器、2×2光纤耦合器和光纤反射镜3个器件。非线性放大光纤环镜在腔内引入强度相关损耗,当腔内损耗随着入射光强增加而增加时,可以有效抑制腔内激光模式竞争。当强度相关损耗的抑制作用和激光模式竞争达到平衡时,激光器即可实现稳定的多波长输出。在260 mW泵浦功率下,激光器运转在双波长振荡状态,输出波长分别为1 560.5 nm和1 563.2 nm,边模抑制比达到46.8 dB。随着泵浦功率的提高,激光器依次工作在单波长、双波长和三波长运转状态。该激光器结构简单,操作方便,具有很好的应用前景。

     

  • 图 1  双波长掺铒光纤激光器实验装置图:LD,激光二极管;WDM,波分复用器;EDF,掺铒光纤;OC, 光学耦合器;HR,高反射器;OP,输出

    Figure 1.  Experimental setup of dual wavelength EDF laser: LD, laser diode; WDM, wavelength division multiplexer; EDF, Er-doped fiber; OC, optical coupler; HR, high reflector; OP, output

    图 2  非线性光纤环镜原理示意图

    Figure 2.  Schematic diagram of a nonlinear optical loop mirror

    图 3  透射率与相位差的关系曲线

    Figure 3.  Transmission as a function of the phase difference

    图 4  激光器输出光谱特性

    Figure 4.  Characteristics of output spectra

    图 5  激光器输出稳定性

    Figure 5.  Laser output stability

    图 6  激光器斜效率曲线

    Figure 6.  Output power as a function of pump power

    图 7  不同泵浦功率下的输出光谱

    Figure 7.  Output spectra versus different pump powers

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  • 收稿日期:  2018-09-21
  • 修回日期:  2018-11-16
  • 刊出日期:  2019-08-01

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