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Quantum
Information and Computation
ISSN: 1533-7146
published since 2001
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Vol.3 Special, September 2003 |
Atomic
spins as a storage medium for quantum fluctuations of light
(pp518-534)
B. Julsgaard, C. Schori, J. L. Sorensen, and E.S. Polzik
doi:
https://doi.org/10.26421/QIC3.s-5
Abstracts:
We review recent results showing the possibility to use
off-resonant light/matter interaction for the purpose of quantum memory.
A quantum state of atomic spins can be read out by light in a process
which is a quantum analogue of the classical Faraday effect. Conversely,
the dynamic Stark effect opens up the opportunity for recording the
polarization state of light onto the atomic spin memory. We demonstrate
that a sample of cesium atoms under appropriate conditions has the
sensitivity to record properties of just a few photons, thus being a
feasible candidate for quantum memory for light.
Key words: quantum
memory, continuous variables, quantum noise, squeezed light |
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