Single longitudinal mode narrow linewidth thulium-doped fiber laser based on an eye-shaped dual-ring filter

Single longitudinal mode narrow linewidth thulium-doped fiber laser based on an eye-shaped dual-ring filter

A single-longitudinal-mode (SLM) thulium-doped fiber laser, based on an eye-shaped passive dual-ring filter, is designed and constructed. The eye-shaped passive compound cavity consisting of four couplers is used to increase the longitudinal mode spacing, and its performance is numerically analyzed...

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Bibliographic Details
Main Authors: Xiangdong Wang, Fengping Yan, Hao Guo, Wei Wang, Qi Qin, Dandan Yang, Pengfei Wang, Ting Li, Chenhao Yu, Biao Guan, Kazuo Kumamoto, Yuping Suo, Yan Bai
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-05-01
Series:Frontiers in Physics
Subjects:
single longitudinal mode
thulium-doped fiber laser
high power
narrow linewidth
2 μm
Online Access:https://www.frontiersin.org/articles/10.3389/fphy.2023.1188608/full

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