The linear relation of gain on carrier density in the conventional rate equation is replaced by the logarithmic relation (gain saturation effect) for quantum well (QW) lasers.

• 用量子阱激光器增益与载流子浓度的对数关系(增益饱和效应)取代了体材料的线性关系,得到了适用于量子阱结构的速率方程,详细分析和计算了这一修正的影响。