dorsal/arxiv
View SchemaCoherent Quantum Engineering of Free-Space Laser Cooling
| Authors | Josh W. Dunn, J. W. Thomsen, Chris H. Greene, Flavio C. Cruz |
|---|---|
| Categories | |
| ArXiv ID | physics/0610272 |
| URL | https://arxiv.org/abs/physics/0610272 |
| DOI | 10.1103/PhysRevA.76.011401 |
Abstract
We perform a quantitative analysis of the cooling dynamics of three-level atomic systems interacting with two distinct lasers. Employing sparse-matrix techniques, we find numerical solutions to the fully quantized master equation in steady state. Our method allows straightforward determination of laser-cooling temperatures without the ambiguity often accompanied by semiclassical calculations, and more quickly than non-sparse techniques. Our calculations allow us to develop an understanding of the regimes of cooling, as well as a qualitative picture of the mechanism, related to the phenomenon of electromagnetically induced transparency. Effects of the induced asymmetric Fano-type lineshapes affect the detunings required for optimum cooling, as well as the predicted minimum temperatures which can be lower than the Doppler limit for either transition.
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"abstract": "We perform a quantitative analysis of the cooling dynamics of three-level\natomic systems interacting with two distinct lasers. Employing sparse-matrix\ntechniques, we find numerical solutions to the fully quantized master equation\nin steady state. Our method allows straightforward determination of\nlaser-cooling temperatures without the ambiguity often accompanied by\nsemiclassical calculations, and more quickly than non-sparse techniques. Our\ncalculations allow us to develop an understanding of the regimes of cooling, as\nwell as a qualitative picture of the mechanism, related to the phenomenon of\nelectromagnetically induced transparency. Effects of the induced asymmetric\nFano-type lineshapes affect the detunings required for optimum cooling, as well\nas the predicted minimum temperatures which can be lower than the Doppler limit\nfor either transition.",
"arxiv_id": "physics/0610272",
"authors": [
"Josh W. Dunn",
"J. W. Thomsen",
"Chris H. Greene",
"Flavio C. Cruz"
],
"categories": [
"physics.atom-ph"
],
"doi": "10.1103/PhysRevA.76.011401",
"title": "Coherent Quantum Engineering of Free-Space Laser Cooling",
"url": "https://arxiv.org/abs/physics/0610272"
},
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