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Intracavity Optical Deposition of Graphene Saturable Absorber for Low-Threshold Passive Mode-Locking of a Fiber Laser

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【Author】 LUO Zhi-Chao;CAO Wen-Jun;LUO Ai-Ping;XU Wen-Cheng;Laboratory of Nanophotonic Functional Materials and Devices,School of Information and Optoelectronic Science and Engineering,South China Normal University;

【机构】 Laboratory of Nanophotonic Functional Materials and Devices,School of Information and Optoelectronic Science and Engineering,South China Normal University；

【摘要】 A compact,intracavity optical deposition of graphene saturable absorber(SA) for low-threshold passively modelocked fiber laser is proposed and demonstrated.The optical deposition is implemented in the laser cavity by using a slot collimator.Utilizing the fabricated graphene SA,the fiber laser achieves self-starting,passively mode-locked operation at a low threshold of 32mW pump power,delivering a 13.1-MHz 2.36-ps pulse train.更多还原

【Abstract】 A compact,intracavity optical deposition of graphene saturable absorber(SA) for low-threshold passively modelocked fiber laser is proposed and demonstrated.The optical deposition is implemented in the laser cavity by using a slot collimator.Utilizing the fabricated graphene SA,the fiber laser achieves self-starting,passively mode-locked operation at a low threshold of 32mW pump power,delivering a 13.1-MHz 2.36-ps pulse train.更多还原

【基金】 Supported in part by the National Natural Science Foundation of China under Grant No 11074078;the Specialized Research Fund for the Doctoral Program of Higher Education under Grant No 20094407110002;the Key Program for Scientific and Technological Innovations of Higher Education Institutes in Guangdong Province under Grant No cxzd1011

【文献出处】 Chinese Physics Letters ,中国物理快报(英文版) , 编辑部邮箱 ,2013年02期

【分类号】TN248

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