Universal Approach to Optimal Photon Storage in Atomic Media

Abstract

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.

4 pages, 3 figures. V2: major changes in presentation (title, abstract, main text), simplification of derivations, new references. V3: minor changes - final version as published in Phys. Rev. Lett

References in corpus (2)

• Experimental demonstration of quantum memory for light
• Mapping broadband single-photon wavepackets into an atomic memory

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