| Stable single frequency Er-doped all-fiber ring laser with fiber Bragg grating Fabry-Perot filter |
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| 作者姓名： | 吕昌贵 王著元 恽斌峰 崔一平 |
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| 作者单位： | Department of Electronic EngineeringSoutheast University，Nanjing 210096，Department of Electronic EngineeringSoutheast University，Nanjing 210096，Department of Electronic EngineeringSoutheast University，Nanjing 210096，Department of Electronic EngineeringSoutheast University，Nanjing 210096 |
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| 基金项目： | This work was supported by National Science Fund for Distinguished Young Scholars of China (Project 60125513)
the Jiangsu Province Natural Science Foundation of China (No. BK2004207). |
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| 摘 要： | Using a fiber Bragg grating (FBG) and a Fabry-Perot cavity composed of two fiber Bragg gratings (FBGFP) as its frequency-selective components, a type of single frequency all-fiber ring laser permits oscillation only on one longitudinal mode of the main cavity without modehopping while the cavity length can be up to tens of meters. The salient feature is due to the single narrowband resonance of the FBGFP filter. Such a fiber ring laser is achieved experimentally, and the laser mode is limited inside the single resonance of the FBGFP.
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