| 基于CPM-FBG的单频窄线宽DFB光纤激光器 |
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| 引用本文： | 杨远洪,胡军,刘学静,靳伟.基于CPM-FBG的单频窄线宽DFB光纤激光器[J].光电子．激光,2014(9):1647-1651. |
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| 作者姓名： | 杨远洪 胡军 刘学静 靳伟 |
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| 作者单位： | 北京航空航天大学 精密光机电一体化技术教育部重点实验室,北京 100191 ;北京航空航天大学 惯性技术国防重点实验室,北京 100191;北京航空航天大学 精密光机电一体化技术教育部重点实验室,北京 100191;北京航空航天大学 惯性技术国防重点实验室,北京 100191;香港理工大学 电机工程系,香港 999077 |
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| 基金项目： | 国家重大科学仪器设备开发专项(2013YQ04081504)和创新团队发展计划(IRT1203)资助 项目 (1.北京航空航天大学 精密光机电一体化技术教育部重点实验室,北京 100191; 2.北京航空航天大学 惯性技术国防重点实验室,北京 100191; 3.香港理工大学 电机工程系,香港 999077) |
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| 摘 要： | 利用电弧放电对光纤Bragg光栅(FBG)折射率的调制作用,提出了基于折射率周期调制(CPM)FBG的单频窄线宽分布反馈(DFB)光纤激光器方案。建立了CPM-FBG的数学模型并进行了仿真,验证了CPM-FBG的相移光栅特性;在掺铒光纤(EDF)上制作出CPM-FBG,形成了DFB单频窄线宽光纤激光器,激光器阈值功率为25.4mW,3dB线宽为805Hz,边摸抑制比大于48.8dB。
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| 关 键 词： | 光纤光学 相移光纤Bragg光栅(PSFBG) 电弧放电 分布反馈(DFB)光纤激光器 单频窄线宽 |
| 收稿时间： | 2014/5/24 0:00:00 |
Ultra-narrow linewidth single-frequency DFB fiber laser based on the CPM-FBG |
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| YANG Yuan-hong,HU Jun,LIU Xue-jing and JIN We i.Ultra-narrow linewidth single-frequency DFB fiber laser based on the CPM-FBG[J].Journal of Optoelectronics·laser,2014(9):1647-1651. |
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| Authors: | YANG Yuan-hong HU Jun LIU Xue-jing and JIN We i |
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| Affiliation: | Key Laboratory of Precision Opto-mechatronics Technology,Ministry of Educat ion of China,Beijing University of Aeronautics and Astronauties,Beijing 100191, China ;Inertial Technology Key Laboratory of National Defense Science and Tech nology,Beijing University of Aeronautics and Astronautics,Beijing 100191,China;Key Laboratory of Precision Opto-mechatronics Technology,Ministry of Educat ion of China,Beijing University of Aeronautics and Astronauties,Beijing 100191, China;Inertial Technology Key Laboratory of National Defense Science and Tech nology,Beijing University of Aeronautics and Astronautics,Beijing 100191,China;Department of Electrical Engineering,Hong Kong Polytechnic University,Hong Kon g,China |
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| Abstract: | Utilizing the modulation of the refrac tive index of the fiber Bragg grating based on the arc discharge process,a schem e of the single frequency narrow linewidth distributed feedback (DFB) fiber lase r based on the corrugation-pitch-modulated fiber Bragg grating (CPM-FBG) is proposed.The m athematical model and simulation study of the CPM-FBG is established,and the interest of phase shifte d fiber Bragg grating (PSFBG) is proved. An on-line CPM-FBG production system is achieved,and the erbium-doped CPM-FB G is formed.A single- frequency narrow linewidth distributed feedback (DFB) fiber laser is realized, and the laser threshold power is 25.4mW with 3dB linewidth at 805Hz and side mode rejection ratio greater than 48.8dB. |
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| Keywords: | fiber optics phase shifted fiber Bragg grating (PSFBG) arc discharge distribu ted feedback fiber (DFB) fiber laser single frequency narrow linewidth |
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