A Computer Model for a QCL laser

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For modeling a Quantum Cascade Laser (QCL), a user is seeking software options, preferably free or low-cost. A recommended tool is MonacoQC, which is Matlab-based and available on the TU Munich computational photonics group's GitHub repository. The versatility and ease of use of this tool are uncertain, but it may serve as a good starting point. Additional academic papers from the group may provide further insights into the modeling process. Exploring these resources could assist in the personal project effectively.
Adrian Tudini
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For a personal project, I am looking for computer software, free or for a small fee, that models a QCL laser, if possible.
Hi

For a personal project, I am looking for software that models a QCL laser. It can be free or for a small fee.
Any help would be appreciated.

Thanks.

Adrian
 
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There are some openly available tools (called MonacoQC, Matlab-based) for simulating quantum cascade structures on the Github of the computational photonics group of TU Munich:

https://github.com/orgs/cph-tum/repositories

I have no idea how versatile or easy to use they are, but maybe this is a reasonable starting point. I am quite sure there are also some papers by that group that describe the model in more detail, but I do not have a link available.
 

Thread 'Angular Momentum Vector and Its Magnitude'

For the quantum state ##|l,m\rangle= |2,0\rangle## the z-component of angular momentum is zero and ##|L^2|=6 \hbar^2##. According to uncertainty it is impossible to determine the values of ##L_x, L_y, L_z## simultaneously. However, we know that ##L_x## and ## L_y##, like ##L_z##, get the values ##(-2,-1,0,1,2) \hbar##. In other words, for the state ##|2,0\rangle## we have ##\vec{L}=(L_x, L_y,0)## with ##L_x## and ## L_y## one of the values ##(-2,-1,0,1,2) \hbar##. But none of these...
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