基于无源三环复合子腔的2 050 nm波段单纵模掺铥光纤激光器

程丹; 延凤平; 冯亭; 韩文国; 秦齐; 张鲁娜; 白卓娅; 李挺; 杨丹丹; 郭颖; 王伟; 关彪; 白燕; 熊本和夫

doi:10.37188/CJL.20210334

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基于无源三环复合子腔的2 050 nm波段单纵模掺铥光纤激光器

器件制备及器件物理 | 更新时间：2022-02-25

- 基于无源三环复合子腔的2 050 nm波段单纵模掺铥光纤激光器
  增强出版
- Single-longitudinal Mode Thulium-doped Fiber Laser in 2 050 nm Band Based on Passive Compound Triple-ring Cavity
- 发光学报 2022年43卷第2期页码：247-254
- 作者机构：
  
  1.北京交通大学　电子信息工程学院，北京　100044
  2.河北大学物理科学与技术学院　光信息技术创新中心，河北　保定　071002
  3.中国科学院理化技术研究所　固体激光重点实验室，北京　100190
  4.河北建筑工程学院　电气工程学院，河北　张家口　075000
  5.大阪工业大学　电子信息系统工程学专业，大阪　999001
- 作者简介：
  
  [ "程丹(1993-)，女，黑龙江哈尔滨人，博士研究生，2014年于天津工业大学获得学士学位，主要从事光纤激光器方面的研究。E-mail: 14111021@bjtu.edu.cn" ]
  [ "延凤平(1966-)，男，山西兴县人，博士，教授，1996 年于北方交通大学获得博士学位，主要从事光纤激光器、光纤传感器、光纤通信、基于太赫兹超材料等方面的研究。E-mail: fpyan@ bjtu.edu.cn" ]
  [ "冯亭(1986-)，男，河北张家口人，博士，教授，2014 年于北京交通大学获得博士学位，主要从事光纤激光、光纤传感器及其应用等方面的研究。E-mail: wlxyft@ hbu.edu.cn" ]
- 基金信息：
  
  国家自然科学基金(61827818;61975049;62005013;61975105);河北省自然科学基金优秀青年基金及青年基金项目(F2020201001);河北省高等教育科技研究项目(QN2021050)
- DOI：10.37188/CJL.20210334
  中图分类号： TN248.4;O436
- 收稿：2021-11-01，
  
  修回：2021-11-17，
  
  纸质出版：2022-02
- 稿件说明：
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程丹, 延凤平, 冯亭, 等. 基于无源三环复合子腔的2 050 nm波段单纵模掺铥光纤激光器[J]. 发光学报, 2022,43(2):247-254.

Dan CHENG, Feng-ping YAN, Ting FENG, et al. Single-longitudinal Mode Thulium-doped Fiber Laser in 2 050 nm Band Based on Passive Compound Triple-ring Cavity[J]. Chinese Journal of Luminescence, 2022, 43(2): 247-254.
程丹, 延凤平, 冯亭, 等. 基于无源三环复合子腔的2 050 nm波段单纵模掺铥光纤激光器[J]. 发光学报, 2022,43(2):247-254. DOI： 10.37188/CJL.20210334.

Dan CHENG, Feng-ping YAN, Ting FENG, et al. Single-longitudinal Mode Thulium-doped Fiber Laser in 2 050 nm Band Based on Passive Compound Triple-ring Cavity[J]. Chinese Journal of Luminescence, 2022, 43(2): 247-254. DOI： 10.37188/CJL.20210334.

摘要

提出了一种在2 050 nm波段的基于新型无源三环复合子腔的单纵模掺铥光纤激光器。对所提出的新型复合三环子腔滤波器进行了详细的理论分析，可以通过调整其有效自由光谱范围和透射带宽实现超窄带滤波，从而确保激光器的单纵模运行。所搭建激光器的输出波长为 2 048.48 nm，光信噪比为 70 dB

100 min内的波长和功率波动分别小于 0.02 nm 和 0.453 dB。实验结果表明，激光器可以工作在稳定的单纵模输出状态。该激光器有望用于自由空间光通信或用作多普勒激光雷达的高功率光纤激光器的种子源。

Abstract

A single-longitudinal-mode(SLM) thulium-doped fiber laser in 2 050 nm band enabled by a novel passive triple-ring compound cavity filter was proposed and demonstrated. Theoretically analyzing of this sub-cavity filter was performed in detail. The use of the compound cavity filter in the fiber laser guaranteed the SLM lasing by carefully adjusting the effective free spectral range and transmission bandwidth for ultra-narrow filtering. The output wavelength of the fiber laser was 2 048.48 nm

and the optical signal-to-noise ratio was 70 dB. The wavelength and power fluctuations measured within 100 min were less than 0.02 nm and 0.453 dB

respectively. Experimental results verified that the fiber laser could operate in a stable SLM lasing state. The proposed laser is promising to be used in free-space optical communication or be used as the seed source of the high power fiber laser for Doppler Lidar.

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references

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