The results show that the diode laser is a mixture of TE mode and TM mode except in some special directions, and the function of computing distribution of each electro-magnetic field is realized.

• 结果表明，除在特殊方向上，半导体激光为TM波和几波的混合模，数值程序实现了计算不同距离上半导体激光器各个电磁分量的分布情况的功能。