Single-atom quantum memory with degenerate atomic levels

The storage and retrieval of a single-photon polarization q-bit by means of STIRAP through the atoms with degenerate levels are studied theoretically for arbitrary polarization of the driving laser field and arbitrary values of the angular momenta of resonant atomic levels. The dependence of the pro...

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Bibliographic Details
Published in:Journal of physics. B, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2012-09, Vol.45 (17), p.175501-1-6
Main Authors: Reshetov, V A, Popov, E N
Format: Article
Language:English
Subjects:
Atomic states
cavity QED
degenerate
Driving
Lasers
levels
Photons
Polarization
polarization q-bit
quantum memory
Retrieval
single photon
STIRAP
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Summary:The storage and retrieval of a single-photon polarization q-bit by means of STIRAP through the atoms with degenerate levels are studied theoretically for arbitrary polarization of the driving laser field and arbitrary values of the angular momenta of resonant atomic levels. The dependence of the probability of long-term photon storage on the polarization of the driving field and on the initial atomic state is examined.
ISSN:0953-4075
1361-6455
DOI:10.1088/0953-4075/45/17/175501