| FSDD中负三阶色散对孤子压缩效应的影响 |
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| 引用本文： | 李潮,吴庭万. FSDD中负三阶色散对孤子压缩效应的影响[J]. 华南理工大学学报(自然科学版), 2004, 32(8): 22-24,29 |
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| 作者姓名： | 李潮 吴庭万 |
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| 作者单位： | 华南理工大学,应用物理系,广东,广州,510640;华南理工大学,应用物理系,广东,广州,510640 |
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| 摘 要： | 利用等效原理对含有负三阶色散的色散缓变光纤非线性薛定谔方程进行处理，发现负三阶色散与色散缓变项存在特定关系,并由此进一步证明了负三阶色散有助于色散缓变光纤对孤子的压缩，且存在最佳负三阶色散值．文中还对压缩的动态过程进行了分析，理论分析结果与数值模拟结果相一致。
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| 关 键 词： | 色散缓变光纤 负三阶色散 孤子压缩效应 |
| 文章编号： | 1000-565X(2004)08-0022-03 |
Influence of the Negative Third-order Dispersion on the Soliton Compression Effect in FSDD |
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| Li Chao Wu Ting-wan. Influence of the Negative Third-order Dispersion on the Soliton Compression Effect in FSDD[J]. Journal of South China University of Technology(Natural Science Edition), 2004, 32(8): 22-24,29 |
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| Authors: | Li Chao Wu Ting-wan |
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| Abstract: | By utilizing the theory of equivalent-effect, the nonlinear Schrodinger equation of FSDD (Fiber with Slowly-decreasing Dispersion) with the negative third-order dispersion was discussed. It is found that the negative third-order dispersion has a certain relation with the slowly-decreasing dispersion term, thus proving that the negative third-order dispersion helps to the compression effect of FSDD on soliton, and there exists an optimal value of negative third-order dispersion. The dynamic compression process was also analyzed. The results obtained by theoretical analysis accord well with those obtained by numerical simulation. |
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| Keywords: | fiber with slowly-decreasing dispersion negative third-order dispersion soliton compression effect |
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