Sub-kHz Narrow-Linewidth Single-Longitudinal-Mode Thulium-Doped Fiber Laser Utilizing Triple-Coupler Ring-Based Compound-Cavity Filter

Sub-kHz Narrow-Linewidth Single-Longitudinal-Mode Thulium-Doped Fiber Laser Utilizing Triple-Coupler Ring-Based Compound-Cavity Filter

This paper proposes and demonstrates a single-longitudinal-mode thulium-doped fiber laser using a passive triple-coupler ring-based compound-cavity filter (TCR-CC) and a uniform fiber Bragg grating. For the first time, the TCR-CC filter is used to select a single mode from dense longitudinal modes....

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Bibliographic Details
Main Authors: Biao Guan, Fengping Yan, Dandan Yang, Qi Qin, Ting Li, Chenhao Yu, Xiangdong Wang, Kazuo Kumamoto, Yuping Suo
Format: Article
Language:English
Published: MDPI AG 2023-02-01
Series:Photonics
Subjects:
single-longitudinal-mode
thulium-doped fiber laser
triple-coupler ring-based compound-cavity filter
Online Access:https://www.mdpi.com/2304-6732/10/2/209

Internet

https://www.mdpi.com/2304-6732/10/2/209

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