皮秒正啁啾脉冲的孤子效应压缩

在近似求解非线性薛定谔方程、分析单模光纤负群速度色散区群速度色散和自相位调制效应所致频率啁啾对入纤正啁啾脉冲的调制压缩机理的基础上，定量计算了在光纤负色散区损耗对初始正啁啾皮秒脉冲孤子效应压缩的影响．结果表明：初始正啁啾改善了损耗对压缩参量的不良影响，遏制了最佳光纤长度的增加，增强了压缩效果，提高了压缩质量．选取适当的光纤长度和初始峰值功率，可望实现光学脉冲在单模光纤中的有效压缩．

Soliton-effect Compression of Picosecond Positive Chirp Pulse

Based on the optical fiber loss and by solving the modified nonlinear Schrodinger equations, the text analyses the function affected by GVD and SPM in single-mode optical fiber in negative GVD area. It quantitatively calculates the affect of soliton-effect picosecond pulse compression induced by optical fiber loss and initial orthochirp. The result shows that initial orthochirp improves the bad affect of compression factors due to the loss and stops the increase of the best optical fiber length. If an appropriate optical fiber length and initial peak power are selected, efficient compression of orthochirp pulse can be attained in single-mode optical fiber.