利用正常色散光纤消啁啾成功地进行了１Ｇｂｉｔ／ｓ，２３ｋｍ的光孤子传输，观察到了一阶和高阶孤子传输现象。在对光脉冲消啁啾过程中发现了一个新的现象：适当长度的正常色散光纤消啁啾不仅能够压窄负啁啾的脉宽，而且能够压窄频谱 The transmission of optical solitons at 1Gbit / s and 23km has been successfully performed by eliminating the chirp of normal dispersion fiber, and the phenomena of first-order and high-order solitons are observed. A new phenomenon has been found in the anti-chirp of light pulse. The normal chirped fiber chirp of appropriate length not only can narrow the pulse width of negative chirp, but also can narrow the spectrum