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首页> 外文会议>Advanced Laser Technologies 2005 pt.1 >A novel circuit model of double-heterojunction semiconductor laser diode
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A novel circuit model of double-heterojunction semiconductor laser diode

机译：双异质结半导体激光二极管的新型电路模型

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The issues of modeling the semiconductor laser with circuit elements have been addressed by several authors. Previously reported laser models are based upon rate equations and many relations between electron and photon. This needs the deep understanding of the clear physical meaning of all variables and the electrical and optical properties of the active region of a semiconductor laser diode. The relations and the formulas are very complex and the model's parameters are hard to get. In the previous models, node voltages are used as circuit variables. In practice the LD is powered by a constant or pulse current source. The node voltages are only measurable variables and decided by the input current for a ready-made LD. So taking the input current as the circuit variable is very simply and easy to understand and use. In this paper a circuit model of DHLD has been developed from rate equations and the well known models. Simulink module is built according to the rate equations. The input current is the only variable for the module. The transient response of the LD model is plotted. The simulating results such as transient and frequency responds agree well with the reported data.
机译：几位作者已经解决了用电路元件对半导体激光器建模的问题。先前报道的激光模型基于速率方程以及电子与光子之间的许多关系。这需要深入理解所有变量的明确物理含义以及半导体激光二极管有源区的电学和光学特性。关系和公式非常复杂，并且很难获得模型的参数。在以前的模型中，节点电压用作电路变量。实际上，LD由恒定或脉冲电流源供电。节点电压只是可测量的变量，由现成的LD的输入电流决定。因此，以输入电流作为电路变量非常简单，容易理解和使用。在本文中，已经从速率方程和众所周知的模型中开发了DHLD的电路模型。 Simulink模块是根据速率方程构建的。输入电流是模块的唯一变量。绘制了LD模型的瞬态响应。诸如瞬态响应和频率响应之类的仿真结果与报告的数据非常吻合。

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