| 线性源啁啾对孤子脉冲压缩的影响 |
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| 引用本文： | 罗爱平,徐文成,张书敏,陈伟成,郭旗,刘颂豪.线性源啁啾对孤子脉冲压缩的影响[J].半导体光电,2001,22(2):128-131. |
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| 作者姓名： | 罗爱平 徐文成 张书敏 陈伟成 郭旗 刘颂豪 |
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| 作者单位： | 1. 华南师范大学 量子电子学研究所,
2. 河北师范大学 物理系, |
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| 基金项目： | 国家自然科学基金;19674015; |
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| 摘 要： | 通过线性源啁啾对孤子脉冲压缩影响的研究，发现泵浦脉冲和孤子脉冲的源啁啾参量地脉冲压缩产生重要影响，且孤子脉冲压缩存在最佳光纤长度。在泵浦功率一定的条件下，选取负啁啾的泵浦脉冲正啁啾的孤子脉冲可以获得高压缩因子的光脉冲；同时选取负啁啾的泵浦脉冲和正啁啾的孤子脉冲易于产生更短的压缩光脉冲。
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| 关 键 词： | 线性源啁啾 孤子脉冲压缩 交叉相位调制 超短脉冲产生 |
| 文章编号： | 1001-5868(2001)02-0128-04 |
| 修稿时间： | 2000年9月13日 |
Effect of Initial Linear Chirp on Soliton Pulse Compression in Optical Fibers |
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| LUO Ai-ping,XU Wen-cheng,ZHANG Shu-min,CHEN Wei-cheng,GUO Qi,LIU Song-hao.Effect of Initial Linear Chirp on Soliton Pulse Compression in Optical Fibers[J].Semiconductor Optoelectronics,2001,22(2):128-131. |
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| Authors: | LUO Ai-ping XU Wen-cheng ZHANG Shu-min CHEN Wei-cheng GUO Qi LIU Song-hao |
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| Affiliation: | LUO Ai ping 1,XU Wen cheng 1,ZHANG Shu min 2,CHEN Wei cheng 1,GUO Qi 1,LIU Song hao 1 |
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| Abstract: | The effect of the initial linear chirp on the nonlinear propagation of two pulses in single mode fibers is studied by using split step Fourier method.It is found that both the chirped pump pulse and the chirped soliton pulse have a great effect on the soliton pulse compression in anomalous dispersion regime.It is also found that the fundamental soliton pulse can be compressed due to cross phase modulation and an optimum fiber length existing in the compression.The simulation results show that the optimum fiber length becomes shorter with a stronger pump pulse when the chirp is fixed.For a specific pump power, selecting negative chirped pump pulse or positive chirped soliton pulse can obtain short compressed pulse.Simultaneously,selecting negative chirped pump pulse and positive chirped soliton pulse will obtain shorter compressed pulse. |
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| Keywords: | linear chirp soliton pulse compression cross phase modulation generation of ultra short pulses |
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