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本文用变分法研究了初始啁啾对光纤中光孤立子传输的影响,证明在初始啁啾不超过某一确定值时,光孤立子传输仍可维持,但其幅度和脉宽都在振荡。
In this paper, we study the effect of initial chirp on the optical soliton transmission in optical fiber by using the variational method. It is proved that the optical soliton transmission can be maintained at the initial chirp value does not exceed a certain value, but its amplitude and pulse width are oscillating .