求解电荷中性方程的matlaB程序,主要是求解一个数值方程，求解量为费米能级，得到能级后就可以算出电子和空穴的浓度。-Solving the charge neutrality equation matlaB procedures, mainly to solve a numerical equation solving capacity of the Fermi level, by level can be calculated after the electron and hole conc

matlab代码，采用WBK方法，用于计算分子势阱内能级-matlab code，using the WBK method to calculate the level of the molecular potential well

掺铒光纤，四能级的matlab功率仿真，凝聚了我的时间和经验。很好的反映了功率随光纤长度变化的关系.-Erbium-doped fiber, the matlab power four-level simulation, the combination of my time and experience. Well reflected the changing power relations with the fiber length.

增益开关光纤激光器Matlab仿真，主要包括上能级载流子数，脉冲持续时间的计算。(Gain-switch fiber laser stimulation)