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中文摘要：
采用电路建模方法,通过分析量子级联激光器（QCL,quantum cascade laser）中电子在子能带间跃迁机理和量子阱间的输运特性得到其二层级电子速率方程和光子速率方程,以此建立QCL的等效电路模型。电路模型的建立使得对QCL特性可以用通用电路仿真工具进行模拟仿真,克服了数值分析方法计算复杂,模拟时间长的缺点。利用PSPICE软件对模型进行模拟分析,分析结果与已报道的理论和实验结果一致,验证了本文模型的实用性和准确性。
英文摘要：
In this paper,an equivalent circuit model is established based on quantum cascade laser（QCL） two-level rate equation by analyzing the intersubband transitions in quantum well.The model enables the analysis of the characteristics of the QCL using general circuit analysis software,which overcomes the shortcomings of complex process complex and long simulation time of numerical analysis method.The modeling and simulation are implemented in PSPICE,and the results are in agreement with the reported theoretical and experimental data.That proves the practicality and accuracy of the model.
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