| 高阶色散和五阶非线性对类明孤子传输特性的影响 |
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| 引用本文： | 甘桂蓉,罗开基.高阶色散和五阶非线性对类明孤子传输特性的影响[J].江西师范大学学报(自然科学版),2008,32(3). |
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| 作者姓名： | 甘桂蓉 罗开基 |
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| 作者单位： | 1. 江西师范大学物理与通信电子学院,江西南昌,330027;宜春学院理工学院,江西宜春,336000
2. 江西师范大学物理与通信电子学院,江西南昌,330027 |
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| 摘 要： | 从修正的非线性薛定谔方程(MNLSE)出发,采用变分法,导出了在高阶色散和五阶非线性共同作用下类明孤子脉冲参数随传输距离的演化方程组;求出了振幅与脉宽、脉宽与啁啾之间的约束关系及脉宽随传输距离演化的解析解;分析讨论了光纤中高阶色散和五阶非线性共同作用对类明孤子传输特性的影响.
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| 关 键 词： | 纤维与导波光学 类明孤子 高阶色散 五阶非线性 传输特性 高阶色散 五阶非线性 孤子传输特性 影响 Optical Fiber Nonlinear Dispersion 光纤 分析 解析解 约束关系 啁啾 脉宽 振幅 方程组 演化 传输距离 脉冲参数 类明孤子 共同作用 |
The Influence of the Higher-Order Dispersion and Fifth-Order Nonlinear on the Bright-Soliton-Like Pulses in the Optical Fiber |
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| GAN Gui-rong,LUO Kai-ji.The Influence of the Higher-Order Dispersion and Fifth-Order Nonlinear on the Bright-Soliton-Like Pulses in the Optical Fiber[J].Journal of Jiangxi Normal University (Natural Sciences Edition),2008,32(3). |
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| Authors: | GAN Gui-rong LUO Kai-ji |
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| Institution: | 1.College of Physics and Communication Electronics;Jiangxi Normal University;Nanchang 330027;China;2.College of Physics Science and Engineering Technology;Yichun Jiangxi 336000;China |
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| Abstract: | In this paper,the evolution equations for the parameters of the optical soliton-like pulse in optical fibers is derived by means of variational method from the MNLS equation.Then,the restricted relations are Obtained between amplitude and width,width and chirp.Obtaining analytical solution about the width of pulse evolves on the propagation distance.By numerical calculation,the influence of higher-order dispersion and the fifth-order nonlinearity on the propagation properties of optical soliton-like pulses ... |
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| Keywords: | fiber and waveguide optics bright-soliton-like higher-order dispersion fifth-order nonlinearity propagation property |
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