Single-longitudinal Mode Thulium-doped Fiber Laser in 2 050 nm Band Based on Passive Compound Triple-ring Cavity

Dan CHENG; Feng-ping YAN; Ting FENG; Wen-guo HAN; Qi QIN; Lu-na ZHANG; Zhuo-ya BAI; Ting LI; Dan-dan YANG; Ying GUO; Wei WANG; Biao GUAN; Yan BAI; Kazuo KUMAMOTO

doi:10.37188/CJL.20210334

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Single-longitudinal Mode Thulium-doped Fiber Laser in 2 050 nm Band Based on Passive Compound Triple-ring Cavity

Device Fabrication and Physics | 更新时间：2022-02-25

- Single-longitudinal Mode Thulium-doped Fiber Laser in 2 050 nm Band Based on Passive Compound Triple-ring Cavity
  增强出版
- Chinese Journal of Luminescence Vol. 43, Issue 2, Pages: 247-254(2022)
- 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：
- 基金信息：
  
  National Natural Science Foundation of China(61827818;61975049;62005013;61975105);Hebei Provincial Natural Science Foundation for Outstanding Young Scholars(F2020201001);Science and Technology Research Project of Higher Education in Hebei Province(QN2021050)
- DOI：10.37188/CJL.20210334
  CLC： TN248.4;O436
- Published：2022-02，
  
  Received：01 November 2021，
  
  Revised：17 November 2021，
扫描看全文
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 43(2):247-254(2022)
DOI：

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 43(2):247-254(2022) 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.

关键词

光纤激光器掺铥光纤单纵模光纤布拉格光栅

Keywords

fiber laserthulium-doped fibersingle-longitudinal-modefiber Bragg grating

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A Tunable Single-longitudinal-mode Thulium-doped Fiber Laser Enabled by A Passive Double-ring Compound Sub-cavity Filter

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