| 具有几个光振荡周期的飞秒激光脉冲 |
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| 引用本文： | 冯璐,那日,杨体强,冯启元. 具有几个光振荡周期的飞秒激光脉冲[J]. 光学技术, 2001, 27(4): 376-378 |
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| 作者姓名： | 冯璐 那日 杨体强 冯启元 |
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| 作者单位： | 内蒙古大学物理系, |
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| 基金项目： | 国家自然科学基金资助项目 (1 95640 0 1 ) |
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| 摘 要： | 从麦克斯韦方程组出发 ,推导出了具有几个光振荡周期的飞秒激光脉冲在非线性光纤中传输的方程和非线性光纤的折射率。给出了描述具有几个光振荡周期的飞秒激光脉冲在非线性光纤中传输方程的解。研究了在非线性光纤中自相位调制导致具有几个光振荡周期的飞秒激光脉冲频谱展宽 (脉宽压缩 )的详细物理过程。研究了非线性光纤中飞秒光孤子产生的条件
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| 关 键 词： | 飞秒激光脉冲 自相位调制 光孤子通信 |
| 文章编号： | 1002-1582(2001)04-0376-03 |
| 修稿时间： | 2001-01-28 |
Propagation of a femtosecond laser pulse with duration of several optical periods of oscillation in a nonlinear fiber |
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| FENG Lu,NA Ri,YANG Ti qiang,FENG Qi yuan. Propagation of a femtosecond laser pulse with duration of several optical periods of oscillation in a nonlinear fiber[J]. Optical Technique, 2001, 27(4): 376-378 |
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| Authors: | FENG Lu NA Ri YANG Ti qiang FENG Qi yuan |
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| Abstract: | The nonlinear wave equation describing propagation of a femtosecond laser pulse with duration of several optical oscillation periods in a nonlinear fiber and the nonlinear fiber refractive index is derived by Maxwell's equations. The solution of the nonlinear wave equation describing propagation of a femtosecond laser pulse with duration of several optical oscillation periods in a nonlinear fiber is presented. The physical process of the self phase modulation induced spectral broadening in a nonlinear fiber is studied detailedly. Condition of producing femtosecond laser pulse soliton in nonlinear fiber is studied. |
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| Keywords: | femtosecond laser pulse self phase modulation optical soliton communication |
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