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在群速度不匹配的条件下，提出一种提高孤子脉冲压缩效应的新方法．研究表明，若使信号脉冲与泵浦脉冲存在一适当的初始延时，则不但可以提高离散效应单独存在时信号脉冲的压缩比，而且可以提高孤子脉冲的压缩质量．
Under the condition of group velocity mismatch, a new method to improve the compression effect of soliton pulse is proposed. The research shows that if there is an appropriate initial delay between the signal pulse and the pump pulse, not only can the compression ratio of the signal pulse be increased when the discrete effect exists alone, but also the compression quality of the soliton pulse can be improved.