Optimization of self-consistent approach for quantum cascade laser using shooting method and particle swarm optimization

抄録

We present a numerical optimization approach to simulate the output characteristics of a mid-infrared quantum cascade laser, taking into account the effect of subband electron temperature (T_ei). The shooting method is used to simplify the calculation. The results give accurate subband electron temperatures when the external electric field is above the threshold. The results of the calculations are consistent with experimental results, thereby confirming that consideration of the subband electron temperature can improve our understanding of quantum cascade lasers and help guide future experimental work.