Wavelength-Tunable Single-Longitudinal-Mode Narrow-Linewidth Thulium/Holmium Co-Doped Fiber Laser with Phase-Shifted Fiber Bragg Grating and Dual-Coupler-Ring Filter by Dongyuan Li, Ting Feng, Shaoheng Guo, Shengbao Wu, Fengping Yan, Qi Li, Xiaotian Steve Yao

Subjects: “…thulium/holmium co-doped fiber laser…”
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Tunable Single-Longitudinal-Mode Thulium–Holmium Co-Doped Fiber Laser with an Ultra-Narrow Linewidth by Utilizing a Triple-Ring Passive Sub-Ring Resonator by Pengfei Wang, Fengping Yan, Qi Qin, Dandan Yang, Ting Feng, Peng Liu, Ting Li, Chenhao Yu, Xiangdong Wang, Hao Guo, Yuezhi Cai, Wenjie Ji, Youchao Jiang

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