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本文利用分布 Fourier变换求解在双折射光纤中的耦合非线性薛定谔方程 ,数值计算了在 2 0 Gb/s的光孤子通信系统中偏振模色散 ( PMD)的影响 .通过数值计算发现用同步调制的方法可以有效的降低偏振模色散对系统的影响 .
In this paper, we use the distributed Fourier transform to solve the coupled nonlinear Schrödinger equation in birefringent fibers, and numerically calculate the effect of PMD on 20 Gb / s optical soliton communication system. By numerical calculation, The method can effectively reduce the impact of polarization mode dispersion on the system.