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用于光纤拉曼放大器抽运源的单级光纤拉曼激光器
引用本文:张敏明,刘德明,王英,黄德修.用于光纤拉曼放大器抽运源的单级光纤拉曼激光器[J].光学学报,2005,25(12):634-1638.
作者姓名:张敏明  刘德明  王英  黄德修
作者单位:华中科技大学光电子工程系,武汉,430074
基金项目:国家863高技术研究发展计划(2002AA31228Z)资助课题.
摘    要:抽运光源是光纤拉曼放大器应用于密集波分复用系统的关键技术,设计了一种紧凑型的808nm激光二极管抽运的基于钒酸钇(Nd^3+:YVO4)晶体1342nm固体激光器模块,提出利用上述1342nm固体激光器抽运基于光纤光栅的单级全光纤型拉曼谐振器获得1.4μm激光输出的光纤拉曼激光器,分析了固体激光器的阈值特性、性能优化方法和单级光纤拉曼谐振器的设计方法。上述1342nm固体激光器模块在抽运功率2W时获得了最大655mW的激光输出功率和42.6%的斜率效率,单级拉曼谐振器的1342nm到1.4μm光功率转换斜率效率达75%,在1425nm、1438nm、1455nm和1490nm处的输出功率达到300mW以上。最后给出基于1.4μm光纤拉曼激光器抽运的宽带平坦放大的光纤拉曼放大器的结构参量和性能测试结果。

关 键 词:非线性光学  受激拉曼散射  Nd^3+:YVO4  固体激光器  拉曼谐振器  光纤拉曼放大器
文章编号:0253-2239(2005)12-1634-5
收稿时间:2004-12-28
修稿时间:2005-06-09

Single-Stage Fiber Raman Lasers for Pupming Fiber Raman Amplifiers
Zhang Minming,Liu Deming,Wang Ying,Huang Dexiu.Single-Stage Fiber Raman Lasers for Pupming Fiber Raman Amplifiers[J].Acta Optica Sinica,2005,25(12):634-1638.
Authors:Zhang Minming  Liu Deming  Wang Ying  Huang Dexiu
Institution:Department of Optoelectronic Engineering, Huazhong University of Science and Technology, Wuhan 430074
Abstract:The pumping source is the key technology of fiber Raman amplifiers applied in dense wavelength division multiplexing systems. A compact 1342 nm Nd3+∶YVO4 diode-pumped solid state laser(DPSSL) module pumped by 808 nm laser diodes is developed. A single-stage 1.4 μm fiber Raman laser is constructed by pumping a single-stage fiber Raman resonator based on fiber Bragg gratings with such 1342 nm diode-pumped solid-state laser module. The threshold property, the optimized setup of the diode-pumped solid-state laser module and the design scheme of the single-stage fiber Raman resonator are analyzed respectively. The diode-pumped solid-state laser module is presented with the total laser power of 655 mW and the slope efficiency of 42.6% pumped by a 2 W 808 nm laser diode. The light power conversion slope efficiency of the single-stage fiber Raman resonator achieves 75% and the total laser power at 1425 nm, 1438 nm, 1455 nm and 1490 nm achieves 300 mW each. Finally, a broadband, flat-gain distributed fiber Raman amplifier pumped by such lasers is presented.
Keywords:nonlinear optics  stimulated Raman scattering  Nd3+∶YVO4 solid-state laser  Raman resonator  fiber Raman amplifier
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