| 随机双折射光纤中孤子相互作用及控制 |
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| 引用本文： | 殷德京,李宏. 随机双折射光纤中孤子相互作用及控制[J]. 光子学报, 2003, 32(2): 144-147 |
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| 作者姓名： | 殷德京 李宏 |
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| 作者单位： | 湖北师范学院物理系,湖北,黄石,435002 |
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| 基金项目： | 湖北省教育厅重大项目资助 (项目编号 :2 0 0 2Z0 0 0 0 5 ) |
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| 摘 要： | 利用分步傅里叶方法,对随机双折射光纤孤子传输进行了数值模拟,研究了多孤子间相互作用;分析了随机双折射现象对孤子传输的扰动机制、稳定性以及辐射能量特性.结果表明:随机双折射引起孤子传输不稳定,增强了孤子间相互作用,导致孤子能量辐射并随传输距离增大.引进非线性增益增强滤波器的控制作用可以有效地抑制随机双折射的对孤子相互作用的影响.
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| 关 键 词： | 随机双折射 孤子相互作用 非线性增益 滤波器 |
| 收稿时间： | 2002-02-21 |
| 修稿时间： | 2002-02-21 |
Multi-Soliton Interaction and Control in The Fiber Presenting Randomly Varying Birefringence |
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| Yin Dejing,Li Hong. Multi-Soliton Interaction and Control in The Fiber Presenting Randomly Varying Birefringence[J]. Acta Photonica Sinica, 2003, 32(2): 144-147 |
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| Authors: | Yin Dejing Li Hong |
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| Affiliation: | Yin Dejing,Li Hong Department of Physics,Hubei Normal University Hubei,Huangshi 435002 |
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| Abstract: | Split-step Fourier Algorithm is used to simulate properties of soliton propagation in the fibers presenting randomly varying birefringence. In the fibers with randomly varying birefringence, the interactions of multi-soliton are investigated. It is found that randomly varying birefringence leads to the soliton propagation instability, enhances the interaction, and increase the radiation energy. A nonlinear gain combining with filters can be used to effectively suppress the influence and the interactions. |
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| Keywords: | Randomly varying birefringence Soliton Interaction Nonlinear gain filter |
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