Power of a Quantum Cascade laser by theory

  • #1

Main Question or Discussion Point

hi

Just a little question. How does one calculate the power of a QCL by theory? Is there any free software that allows one to calculate the power of a inputted laser medium for a qcl?

Thanks.

Adrian
 

Answers and Replies

  • #2
f95toli
Science Advisor
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I don't think I can be of any help; but even I can tell the question is a bit vague.
By "power" do you mean the maximum output power of the QCL?

I would have thought that this would be an "engineering" problem rather than a QM problem as such. The max output should(?) presumably be limited by the thermal properties of the actual device rather than intrinsic properties of a given material.
There would also(?) be difference between peak and CW power, and both numbers would be related to what kind of MTBF you can tolerate.

I'm pretty sure I've seen some COMSOL examples for laser diodes which included thermal modelling; not sure about QCL.

But I'm just guessing.:smile:
 

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