Measuring the quantum state of the electromagnetic field at finite temperature

We show that it is possible to reconstruct the quantum state of light in a cavity subject to dissipation at finite temperature. By passing atoms through the cavity it is shown that the decay does not prevent the measurement of s-parametrized quasiprobability distributions. Because such distributions...

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Bibliographic Details
Published in:Physica scripta 2024-01, Vol.99 (1), p.15109
Main Authors: Juárez-Amaro, R, Moya-Cessa, H M
Format: Article
Language:English
Subjects:
atom-field interaction
master equation
quasiprobability distribution functions
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Summary:We show that it is possible to reconstruct the quantum state of light in a cavity subject to dissipation at finite temperature. By passing atoms through the cavity it is shown that the decay does not prevent the measurement of s-parametrized quasiprobability distributions. Because such distributions contain whole information about the initial quantized field, it is possible to recover its complete information.
ISSN:0031-8949
1402-4896
DOI:10.1088/1402-4896/ad09a2