Physics – Quantum Physics
Scientific paper
2006-04-06
Phys. Rev. Lett. 98, 123601 (2007)
Physics
Quantum Physics
4 pages, 3 figures. V2: major changes in presentation (title, abstract, main text), simplification of derivations, new referen
Scientific paper
10.1103/PhysRevLett.98.123601
We present a universal physical picture for describing storage and retrieval of photon wave packets in a Lambda-type atomic medium. This physical picture encompasses a variety of different approaches to pulse storage ranging from adiabatic reduction of the photon group velocity and pulse-propagation control via off-resonant Raman fields to photon-echo based techniques. Furthermore, we derive an optimal control strategy for storage and retrieval of a photon wave packet of any given shape. All these approaches, when optimized, yield identical maximum efficiencies, which only depend on the optical depth of the medium.
Andre Axel
Fleischhauer Michael
Gorshkov Alexey V.
Lukin Mikhail D.
Sorensen Anders Sondberg
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