中文摘要：

量子点半导体光放大器（QD—SOA）的二能级速率方程具有简单易懂并能较好的描述其工作特性的特点．为便于利用数值模拟方法分析QD—SOA的动态工作特性，在QD—SOA的二能级速率方程基础上，采用对QD—SOA进行了空间分段，对输入脉冲进行了时间分段的方法，建立了QD—SOA的二能级数值模型．图2，参4．

英文摘要：

The two- level rate equation of Quantum Dots Semiconductor Optical Amplifier （QD- SOA） can better describe the characteristics of the device performance in a simple and pellucid way. In order to analyze the dynamic performance properties on the numerical simulation methods, based on the two level equations, applied spatial segmented methods to QD - SOA and time domain segmented methods to the input pulse, setup the two - level numerical model of QD - SOA in this way. 2figs. ,4refs.