214 MHz, 450 fs mode-locked Tm-doped fiber laser with a WTe2&gain fiber integrated fiber coupler

Zhiyong Chen,Shaodong Hou,Zhijian Ma,Jinzhang Wang,Jintao Wang,Peiguang Yan

Infrared Physics & Technology（2022）

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摘要

•A WDM/OC/SA/TDF multifunctional integrated tapered coupler is proposed for the first time.•The thulium-doped mode-locked fiber laser with fundamental repetition frequency (214 MHz) was realized.•The highest repetition rate (2.14 GHz) of harmonic mode-locking in 2 μm region was obtained, which corresponded to the 10th HML of fundamental repetition frequency.

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关键词

Multifunctional integrated tapered coupler,Thulium-doped mode-locked fiber laser,Fundamental repetition frequency of 214 MHz,10th harmonic mode-lockeing,Highest repetition rate

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