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Quantum memory in warm rubidium vapor with buffer gas |
Optics Letters, Vol. 37, Issue 2, pp. 142-144 (2012)
http://dx.doi.org/10.1364/OL.37.000142
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Abstract
The realization of quantum memory using warm atomic vapor cells is appealing because of their commercial availability and the perceived reduction in experimental complexity. In spite of the ambiguous results reported in the literature, we demonstrate that quantum memory can be implemented in a single cell with buffer gas using the geometry where the write and read beams are nearly copropagating. The emitted Stokes and anti-Stokes photons display cross-correlation values greater than 2, characteristic of quantum states, for delay times up to 4 μs.
© 2012 Optical Society of America
OCIS Codes
(020.0020) Atomic and molecular physics : Atomic and molecular physics
(270.0270) Quantum optics : Quantum optics
(300.6210) Spectroscopy : Spectroscopy, atomic
ToC Category:
Atomic and Molecular Physics
History
Original Manuscript: October 3, 2011
Revised Manuscript: November 17, 2011
Manuscript Accepted: November 17, 2011
Published: January 9, 2012
Citation
Mark Bashkansky, Fredrik K. Fatemi, and Igor Vurgaftman, "Quantum memory in warm rubidium vapor with buffer gas," Opt. Lett. 37, 142-144 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-2-142
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