研究目的
Reviewing and presenting open-source simulation and optimization tools for quantum cascade lasers (QCLs), with a focus on the mbsolve project for QCL dynamics simulations.
研究成果
The paper concludes that open-source solvers for the Schr?dinger-Poisson equations and the wave guide model exist. The dynamical model of QCLs can be simulated easily using the mbsolve project. The missing piece to a self-consistent simulation workflow is an open-source carrier transport simulation tool.
研究不足
The inclusion of frequency dependent material parameters is not implemented yet in mbsolve and should be in the focus of future research, since dispersion effects play a crucial role in the formation of frequency combs. Furthermore, an open-source carrier transport simulation tool has not been published yet.
1：Experimental Design and Method Selection:
The paper reviews existing software packages for the simulation of QCLs and presents the mbsolve software for dynamical simulations of QCLs. It focuses on open-source software tools.
2：Sample Selection and Data Sources:
The mathematical model of QCLs is divided into a static and a dynamic part, with the static model further divided into finding discrete energy levels and determining carrier transport.
3：List of Experimental Equipment and Materials:
The mbsolve software features an easy-to-use Python interface and is implemented using C++ and OpenMP for parallelization.
4：Experimental Procedures and Operational Workflow:
The solver behind the interface exhibits high computational performance on desktop computers as well as on many-core CPUs.
5：Data Analysis Methods:
The paper discusses the different components of the common mathematical model of a QCL and assesses whether open-source software projects exist that can solve the underlying equations of each component numerically.
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