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PyLCP: A Python package for computing laser cooling physics

TitlePyLCP: A Python package for computing laser cooling physics
Publication TypeJournal Article
Year of Publication2022
AuthorsS. Eckel, D. S. Barker, E. B. Norrgard, and J. Scherschligt
JournalComput. Phys. Commun.
Date PublishedJAN
Type of ArticleArticle
Keywordsatomic physics, laser cooling, python

We present a Python object-oriented computer program for simulating various aspects of laser cooling physics. Our software is designed to be both easy to use and adaptable, allowing the user to specify the level structure, magnetic field profile, or the laser beams' geometry, detuning, and intensity. The program contains three levels of approximation for the motion of the atom, applicable in different regimes offering cross checks for calculations and computational efficiency depending on the physical situation. We test the software by reproducing well-known phenomena, such as damped Rabi flopping, electromagnetically induced transparency, stimulated Raman adiabatic passage, and optical molasses. We also use our software package to quantitatively simulate recoil-limited magneto-optical traps, like those formed on the narrow S-1(0) -> P-3(1) transition in Sr-88 and Sr-87. (C) 2021 Published by Elsevier B.V.