Infinite-Period Density-Matrix Model for Terahertz-Frequency Quantum Cascade Lasers
IEEE Transactions on Terahertz Science and Technology(2017)
摘要
In this work, we present a density-matrix model, which considers an infinite quantum cascade laser (QCL) and models transport via a nearest neighbor approximation. We will discuss derivation of output parameters of the model in detail and show the direct mathematical link to the semiclassical rate equation approach. This model can be extended to an arbitrary number of states in the QCL period, wit...
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关键词
Quantum cascade lasers,Periodic structures,Mathematical model,Computational modeling,Wave functions,Scattering
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