Propagation of squeezed vacuum under electromagnetically induced transparency
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Lobino, Mirko
Korystov, Dmitry
Appel, Juergen
Lvovsky, AI
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Abstract
We analyze the transmission of continuous-wave and pulsed squeezed vacuum through rubidium vapor under the conditions of electromagnetically induced transparency. Our analysis is based on a full theoretical treatment for a squeezed state of light propagating through temporal and spectral filters and detected using time and frequency-domain homodyne tomography. A model based on a three-level atom allows us to evaluate the linear losses and extra noise that degrade the nonclassical properties of the squeezed vacuum during the atomic interaction and eventually predict the quantum states of the transmitted light with a high precision.
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New Journal of Physics
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11
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© 2009 Institute of Physics Publishing. The attached file is reproduced here in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
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Page numbers are not for citation purposes. Instead, this article has the unique article number of 013044.
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Physical sciences
Atomic and molecular physics
Quantum information, computation and communication
Quantum optics and quantum optomechanics