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对含频率啁啾的高斯脉冲在色散管理孤子系统中的传输进行了分析。结果表明初始啁啾的存在将使脉宽和幅度沿传输距离涨落,并引起能量加重因子的增加。还研究了由谱窗技术产生的近变换限制脉冲在色散管理孤子系统中的传输问题。结果表明,通过合适的能量加重,近变换限制脉冲传输非常稳定,且其性能比相应的均匀低色散孤子系统还好,这表明色散管理系统比均匀光纤系统在光孤子源方面具有更大的啁啾及波形容差。
The transmission of Gaussian pulse with frequency chirp in the dispersion management soliton system is analyzed. The results show that the initial chirp will make the pulse width and amplitude fluctuations along the transmission distance, and cause the increase of energy aggravating factor. The transmission problem of the near-transform-limited impulse generated by spectral window technique in the dispersion management soliton system is also studied. The results show that near-transform-limited impulse transmission is very stable and its performance is better than that of the corresponding uniform low-dispersion soliton system by appropriate energy aggravation. This indicates that the chromatic dispersion management system has a larger chirp in the optical soliton source than the homogeneous fiber system Chirp and waveform tolerance.