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掺铒光纤Sagnac环掺铒光纤放大器增益平坦特性

刘毅 郭荣荣 易小刚 郑永秋 陈鹏飞

刘毅, 郭荣荣, 易小刚, 郑永秋, 陈鹏飞. 掺铒光纤Sagnac环掺铒光纤放大器增益平坦特性[J]. 中国光学, 2020, 13(5): 988-994. doi: 10.37188/CO.2020-0064
引用本文: 刘毅, 郭荣荣, 易小刚, 郑永秋, 陈鹏飞. 掺铒光纤Sagnac环掺铒光纤放大器增益平坦特性[J]. 中国光学, 2020, 13(5): 988-994. doi: 10.37188/CO.2020-0064
LIU Yi, GUO Rong-rong, YI Xiao-gang, ZHENG Yong-qiu, CHEN Peng-fei. Erbium-doped fiber amplifier gain-flatness of a Sagnac loop with an erbium-doped fiber[J]. Chinese Optics, 2020, 13(5): 988-994. doi: 10.37188/CO.2020-0064
Citation: LIU Yi, GUO Rong-rong, YI Xiao-gang, ZHENG Yong-qiu, CHEN Peng-fei. Erbium-doped fiber amplifier gain-flatness of a Sagnac loop with an erbium-doped fiber[J]. Chinese Optics, 2020, 13(5): 988-994. doi: 10.37188/CO.2020-0064

掺铒光纤Sagnac环掺铒光纤放大器增益平坦特性

doi: 10.37188/CO.2020-0064
基金项目: 国家自然科学基金青年项目(No. 61705157,No. 61404140403,No. 61805167);国家自然科学基金面上项目(No. 61975142,No. 61475112);山西省回国留学人员科研资助项目(No. 2017-key-2);山西省重点研发计划项目(No. 201903D121124)
详细信息
    作者简介:

    刘毅:刘 毅(1984—),男,山西长治人,博士,副教授,2007年、2010年于中北大学分别获得学士学位、硕士学位,2014年于天津大学获得博士学位,主要从事光纤激光器和光纤传感方面的研究。E-mail:liuyi@tyut.edu.cnliuyi@tyut.edu.cn

    郭荣荣(1991—),女,山西孝义人,硕士研究生,2015年于太原理工大学获得学士学位,主要从事光纤激光器和光纤传感方面的研究。E-mail:guorr212@163.com

  • 中图分类号: O433.4

Erbium-doped fiber amplifier gain-flatness of a Sagnac loop with an erbium-doped fiber

Funds: Supported by National Natural Science Foundation of China for Distinguished Young Scholars (No. 61705157, No. 61404140403, No.61805167); National Natural Science Foundation of China (No. 61975142, No. 61475112); Research Project Supported by Shanxi Scholarship Council of China (No. 2017-key-2); Key Research and Development (R&D) Projects of Shanxi Province (No. 201903D121124)
More Information
  • 摘要: 在通信领域,特别是波分复用方面,为了同时调整多通道增益和实现多波长光纤激光器大范围稳定的光波输出,本文提出了一种未泵浦掺铒光纤Sagnac环透射端掺铒光纤放大器增益平坦特性研究方案,其由Sagnac环自身谐振模式、未泵浦掺铒光纤的吸收特性和由环中双折射拍长引起的谐振模式3者共同作用。通过调节Sagnac环中的偏振控制器,使得掺铒光纤放大器(EDFA)增益光谱在非泵浦掺铒光纤Sagnac环透射端可以被部分或者全部平坦化。实验结果表明:在透射端14 nm的波长范围内,部分增益光谱的平坦度为±0.145 dB;整个C波段光谱36.5 nm的波长范围内,增益光谱的完全平坦度为±1.225 dB。该增益谱平坦方案结构简单,输出光谱平坦度好,有望用于波分复用系统和多波长激光器中。
  • 图  1  EDFA增益平坦实验装置图及示意图

    Figure  1.  Experimental setup and schematic diagram of the gain-flattened EDFA

    图  2  EDFA增益谱平坦原理图

    Figure  2.  Schematic diagram of the gain-flattened for EDFA

    图  3  不同泵浦功率下的EDF吸收曲线

    Figure  3.  Absorption of the EDF at different pump powers and ASE gain spectra

    图  4  不同泵浦功率下,透射端EDFA增益光谱部分平坦前后对比图

    Figure  4.  Comparison diagram of EDFA spectra before and after flattening partially at transmission port with different pump powers

    图  5  透射端EDFA增益光谱全部平坦前后对比图

    Figure  5.  Comparison of EDFA spectra before and after complete flattening at transmission port

    图  6  120 mW下透射端功率损耗量化结果

    Figure  6.  Quantified results of transmission power loss at 120 mW

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出版历程
  • 收稿日期:  2020-04-21
  • 修回日期:  2020-06-08
  • 网络出版日期:  2020-09-15
  • 刊出日期:  2020-10-05

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