从含修正项的非线性薛定谔方程出发,采用变分法,导出了五阶非线性情况下光纤中高斯型脉冲参数随传输距离的演化方程组,求出了振幅与脉宽、频率与啁啾、脉宽与啁啾之间的三个解析约束关系,得出了脉宽随传输距离演化的解析解,讨论了五阶非线性对光纤中高斯型脉冲传输特性的影响.并且描绘了五阶非线性系数和啁啾对脉宽的影响、啁啾与初始啁啾对脉宽的影响、脉宽随传输距离以及五阶非线性系数、脉宽随传输距离以及初始啁啾四种情况下的三维图形.
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