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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Autori principali:	Biao Guan, Fengping Yan, Dandan Yang, Qi Qin, Ting Li, Chenhao Yu, Xiangdong Wang, Kazuo Kumamoto, Yuping Suo
Natura:	Artigo
Lingua:	Inglês
Pubblicazione:	MDPI AG 2023-02-01
Serie:	Photonics
Soggetti:	single-longitudinal-mode thulium-doped fiber laser triple-coupler ring-based compound-cavity filter
Accesso online:	https://www.mdpi.com/2304-6732/10/2/209
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