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We report on a 2D simulation study of a couple of mid-infrared quantum cascade lasers based on the integration of a number of optoelectronic models. Quantum mechanical computation was performed to find the quantization states and a rate equation approach was used to compute the optical gain. Temperature and field dependence effects are taken into account in optical gain model to make a realistic simulation of QCLs. The simulation study compared the integrated models with experimental data with different structures and at different temperatures. Reasonable agreements between experiment and simulation have been obtained.
Date of Conference: 28-31 Aug. 2012