Nanosecond-pulsed erbium-doped fiber lasers with graphene saturable absorber |
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| Authors: | Jia Xu Sida Wu Jiang Liu Qian Wang Quan-Hong Yang Pu Wang |
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| Institution: | 1. Institute of Laser Engineering, Beijing University of Technology, Chaoyang District, Beijing 100124, China;2. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;1. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;2. Engineering Laboratory for Functionalized Carbon Materials, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China;3. State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao 266580, China;1. Tsinghua-Berkeley Shenzhen Institute (TBSI), Tsinghua University, Shenzhen 518055, China;2. Engineering Laboratory for Functionalized Carbon Materials and Shenzhen Key Laboratory for Graphene-based Materials, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China;3. School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China;4. Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Science, Shenyang 110016, China;5. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;1. State Key Laboratory of New Ceramics and Fine Processing, Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, China;2. Key Laboratory of Thermal Management Engineering and Materials, Graduate School at Shenzhen, Tsinghua University, Shenzhen City, Guangdong Province 518055, China;1. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China;2. Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China;3. School of Marine Science and Technology, Tianjin University, Tianjin 300072, China;4. Shenzhen Key Laboratory for Graphene-based Materials, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China;5. National Center for Nanoscience and Technology, Beijing 100190, China;6. Tsinghua-Berkeley Shenzhen Institute (TBSI), Tsinghua University, Shenzhen 518055, China;7. Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China;1. Shenzhen Key Laboratory for Graphene-Based Materials and Engineering Laboratory for Functionalized Carbon Materials, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, PR China;2. Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, PR China;3. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, PR China;1. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China;2. Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China;3. Shenzhen Key Laboratory for Graphene-based Materials and Engineering Laboratory for Functionalized Carbon Materials, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China |
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| Abstract: | We demonstrate graphene mode-locked nanosecond erbium-doped fiber laser in an all-fiber ring cavity. The clean and robust pulse train was generated at 27 mW pump power. Resultant central wavelength, repetition rate and pulse width was 1560 nm, 388 kHz and 6 ns, respectively. With two stage fiber amplifier, the output power was 553 mW, corresponding to single pulse energy of 1.4 μJ. In addition, the pulse-width can be varied ranging from 3 ns to 20 ns at repetition rate between 200 kHz and 1.54 MHz by changing the length of the laser cavity. |
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