| 基于级联多模布拉格光栅和高精细度滤波器的可调谐双波长窄线宽掺铒光纤激光器 |
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| 引用本文： | 潘洪刚,童峥嵘,张爱玲,宋殿友,薛玉明.基于级联多模布拉格光栅和高精细度滤波器的可调谐双波长窄线宽掺铒光纤激光器[J].红外与激光工程,2014,43(12):3912-3917. |
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| 作者姓名： | 潘洪刚 童峥嵘 张爱玲 宋殿友 薛玉明 |
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| 作者单位： | 1.天津理工大学电子信息工程学院薄膜电子与通信器件重点实验室,天津300384; |
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| 摘 要： | 提出了一个基于级联多模布拉格光栅和新型的高精细度滤波器的可调谐双波长窄线宽掺铒光纤激光器的结构。环形滤波器由两个耦合器和一段经过泵浦的掺铒光纤组成,由于掺铒光纤产生增益,滤波器产生高精细度的频率响应,能够滤掉掺铒光纤激光器的不需要的纵模,从而起到窄化激光器线宽的作用。实验过程中,由多模光栅的选频特性产生六种窄线宽双波长的组合,激光器的线宽由不加滤波器的0.14~0.16 nm 被压窄窄化到0.05 nm。
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| 关 键 词： | 多模布拉格光栅 高精细度滤波器 双波长 掺铒光纤激光器 |
| 收稿时间： | 2014-04-09 |
Switchable narrow line-width dual-wavelength erbium-doped fiber laser using cascaded multi-mode Bragg gratings and high fineness filter |
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| Pan Honggang,Tong Zhengrong,Zhang Ailing,Song Dianyou,Xue Yuming.Switchable narrow line-width dual-wavelength erbium-doped fiber laser using cascaded multi-mode Bragg gratings and high fineness filter[J].Infrared and Laser Engineering,2014,43(12):3912-3917. |
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| Authors: | Pan Honggang Tong Zhengrong Zhang Ailing Song Dianyou Xue Yuming |
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| Affiliation: | 1.Key Laboratory of Film Electronics and Communication Devices,School of Electronic Information Engineering,Tianjin University of Technology,Tianjin 300384,China;2.Key Laboratory of Film Electronics and Communication Devices and Key Laboratory of Intelligent Computing and Novel Software Technology,School of Computer and Communication Engineering,Tianjin University of Technology,Tianjin 300384,China |
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| Abstract: | A switchable narrow line-width dual-wavelength erbium-doped fiber laser using cascaded multi- mode Bragg gratings incorporating a novel high-finesse ring filter was proposed and demonstrated. The ring filter was a ring filter composed of two optical couplers and a section erbium-doped fiber. Thanks to the gain generated by the erbium-doped fiber, the ring filter has a high fineness spectral. The incorpora- tion of the ring filter led to the suppression of undesirable modes in the dual-wavelength erbium-doped fiber laser (EDFL). An experiment was carried out, in which six kinds of narrow line-width dual-wave- lengths combination were generated. And 3 dB linewidth of each wavelength of 0.14 nm to 0.16 nm without the filter was narrowed to 0.05 nm with the high fineness filter. |
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| Keywords: | multi-mode Bragg gratings high fineness filter dual-wavelength erbium-doped fiber laser |
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