| Harmonic Mode-Locked Ytterbium-Doped Fibre Ring Laser |
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| 作者姓名： | 杨玲珍 王云才 陈国夫 王屹山 赵卫 |
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| 作者单位： | [1]Department of Physics, College of Science, Taiyuan University of Technology, Shanxi 030024 [2]State Key Laboratory of Transient Optics Technology, Xi＇an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi＇an 710068 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant Nos 60577019 and 60137010. |
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| 摘 要： |
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| 关 键 词： | 谐波 镱 光纤维 光波 |
| 收稿时间： | 2006-10-19 |
| 修稿时间： | 2006-10-19 |
Harmonic Mode-Locked Ytterbium-Doped Fibre Ring Laser |
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| YANG Ling-Zhen,WANG Yun-Cai,CHEN Guo-Fu,WANG Yi-Shan,ZHAOWei.Harmonic Mode-Locked Ytterbium-Doped Fibre Ring Laser[J].Chinese Physics Letters,2007,24(4):944-946. |
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| Authors: | YANG Ling-Zhen WANG Yun-Cai CHEN Guo-Fu WANG Yi-Shan ZHAOWei |
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| Affiliation: | Department of Physics, College of Science, Taiyuan University of Technology, Shanxi 030024State Key Laboratory of Transient Optics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068 |
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| Abstract: | We demonstrate a harmonic mode-locked ytterbium-doped fibre ring laser, which consists of a polarization-sensitive isolator, two polarization controllers, two 976nm laser diodes as the pump source and a two-segment ytterbium-doped fibre. Utilizing an additive pulse mode-locked technique based on nonlinear polarization evolution, the ytterbium-doped fibre laser can operate in mode-locked state by adjusting the position of polarization controllers. The cavity fundamental repetition rate is 23.78 MHz. We also observe the second- and third-harmonic mode locking in the normal dispersion region, and their repetition rates are 47.66 MHz and 71.56 MHz, respectively. Over-driving of the saturable absorber in the harmonic mode-locking pulse is analysed and discussed in detail. |
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| Keywords: | 42 55 Wd 42 65 Re 42 60 Da |
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