Stable and Efficient Pulsed Mid-Infrared Laser Generation from an Er3+-Doped ZBLAN Fiber Laser |
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| Authors: | Man Wu Jun Liu Yin Li Pinghua Tang |
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| Affiliation: | 1.SZU-NUS Collaborative Innovation Center for Optoelectronic Science & Technology International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education of China College of Optoelectronic Engineering,Shenzhen University,Shenzhen,China;2.Hunan Key Laboratory for Micro-Nano Energy Materials and Devices School of Physics and Optoelectronics,Xiangtan University,Xiangtan,China |
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| Abstract: | We demonstrate a stable and efficient passively Q-switched 2.8 μm Er3+-doped ZBLAN fiber laser with a broadband semiconductor saturable absorber mirror. Enabled by the broadband optical modulator, the stable Q-switched fiber laser can deliver a maximum average power over 700 mW with corresponding per-pulse energy of 8.19 μJ and a pulse width of 1.3 μs at a repetition rate of 88.6 kHz under an incident pump power of 3.8 W. In addition, the slope efficiency can reach 22.5%. To the best of our knowledge, this is the highest reported slope efficiency for the passively Q-switched Er3+-doped ZBLAN fiber laser. |
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