supported by the Science and Technology Innovation Program of Hunan Province,China(Grant No.2021RC5012).
Self-starting Q-switching,Q-switched mode-locking and mode-locking operation modes are achieved sequentially in an all-fiber erbium-doped fiber laser with thulium-doped fiber saturable absorber for the first time.The ...
Project supported by the National Natural Science Foundation of China(Grant Nos.61805282,11802339,and 11504420);the Opening Foundation of State Key Laboratory of High Performance Computing,China(Grant No.201601-02);the Open Research Fund of Hunan Provincial Key Laboratory of High Energy Technology,China(Grant No.GNJGJS03);the Opening Foundation of State Key Laboratory of Laser Interaction with Matter,China(Grant No.SKLLIM1702);the China Postdoctoral Innovation Science Foundation(Grant No.BX20180373)
A compact all-fiber polarization-maintaining Er:laser using a nonlinear amplifying loop mirror is reported. Fundamental single-pulse mode-locking operation can always self start, with a cavity round-trip decreased fro...
Project supported by the National Natural Science Foundation of China(Grant No.61205130);the National Key Scientific Instruments Development Program of China(Grant No.2012YQ120047);the Fundamental Research Funds for the Central Universities of Ministry of Education of China(Grant No.K5051305008)
A self-starting mode-locked femtosecond laser is accomplished with an oxoborate self-frequency doubling crystal Yb:YCa4O(BO3)3 (Yb:YCOB) as the gain medium and a semiconductor mirror as the saturable absorber. P...
Project supported by the National Natural Science Foundation of China (Grant Nos 60225005 and 60308001).
A stable continuous wave mode-locked picosecond Ti:sapphire laser by using a fast semiconductor saturable absorber mirror (SESAM) is demonstrated. The laser delivers pulse width of 20 ps at a central wavelength of ...