【摘要】 本文用广田法给出了变形的非线性薜定谔方程的两孤子解，讨论了解的特征．结果表明，由于立方导数项的存在，亮孤子即能在反常色散区，也能在正常色散区传播，并可使形成飞秒光孤子所需的峰值功率降低，但不改变孤子的周期．更多还原

【Abstract】 By use of Hirota’s method, this paper gives the two-soliton solution of the modified nonlinear Schrodinger equation, and discusses its characteristics.The result shows that due to derivative cubic term,the optical soliton can be propagated in both normal and anomalous dispersion regions,the peak power of input pulse required by soliton forming may be less than that predicted by the NLS equation, but the soliton period is not changed.更多还原