| 窄脉冲泵浦的Raman放大研究 |
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| 引用本文： | 张劲松.窄脉冲泵浦的Raman放大研究[J].激光与红外,2010,40(2):141-143. |
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| 作者姓名： | 张劲松 |
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| 作者单位： | 深圳信息职业技术学院电子通信技术系,广东,深圳,518029 |
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| 摘 要： | 基于振幅耦合方程,引入入射处信号脉冲与泵浦脉冲的时间差,研究了光纤中单个信号脉冲与窄泵浦脉冲的作用。将泵浦脉冲取为双曲正割形式,得到交叠因子、信号光振幅、泵浦光振幅的解析解,及信号功率沿光纤的分布。研究了长光纤中信号脉冲与多个泵浦脉冲的作用,推导出考虑插损时的信号增益。
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| 关 键 词： | 光纤Raman放大器 窄泵浦脉冲 受激Raman散射 走离效应 |
Research on Raman amplification pumped by short pulses |
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| ZHANG Jin-song.Research on Raman amplification pumped by short pulses[J].Laser & Infrared,2010,40(2):141-143. |
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| Authors: | ZHANG Jin-song |
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| Affiliation: | Shenzhen Institute of Information Technology;Shenzhen 518029;China |
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| Abstract: | Based on the amplitude-coupled equations,the interaction of single signal pulse and single short pump pulse is studied by inducting time difference.Theoretical solutions of overlapping factor,amplitude of signal and pump are obtained by assuming sech pump pulse.The power distribution of signal is also obtained.The actions for signal pulse with multi pump pulses are analyzed.The Raman gain for signal is obtained with considering insert loss. |
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| Keywords: | fiber Raman amplifier short pump pulse SRS walk-off effect |
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