Photon storage in Λ -type optically dense atomic media. II. Free-space model

By Alexey V. Gorshkov, A. André, Mikhail D. Lukin, Anders Søndberg Sørensen. 2006

206 citations recorded by the source corpus.

In a recent paper [Gorshkov et al., Phys. Rev. Lett. 98, 123601 (2007)], we presented a universal physical picture for describing a wide range of techniques for storage and retrieval of photon wave packets in {lambda}-type atomic media in free space, including the adiabatic reduction of the photon group velocity, pulse-propagation control via off-resonant Raman techniques, and photon-echo based techniques. This universal picture produced an optimal control strategy for photon storage and retrieval applicable to all approaches and yielded identical maximum efficiencies for all of them. In the present paper, we present the full details of this analysis as well some of its extensions, including the discussion of the effects of non-degeneracy of the two lower levels of the {lambda} system. The analysis in the present paper is based on the intuition obtained from the study of photon storage in the cavity model in the preceding paper [Gorshkov et al., previous paper, Phys. Rev. A. 76, 033804 (2007)].

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Citations in the corpus

Colloquium: Strongly interacting photons in one-dimensional continuum (2016, background): “…and the decoherence of the ’gate’ during the operation scales as e−ODB (Li and Lesanovsky, 2015; Murray et al., 2016); the overall infidelity of the switch is thus governed by the inefficiency of storage and retrieval of the ’gate’, scaling unfavorably as 1/ODB = 1/OD (Gorshkov et al., 2007).”
Quantum interface between light and atomic ensembles (2008, background): “Because the optimal strategy for storage and retrieval is based on time reversal, higher efficiency can actually be achieved if the excitation is read out in the backward direction compared to the direction of storage (Gorshkov et al., 2007c).”
Quantum repeaters based on atomic ensembles and linear optics (2009, methodology): “A detailed study of the theory of photon storage in optically thick ensembles of three levels atoms in a Λ configuration has been recently published in a series of papers (Gorshkov et al., 2007b,c,d, 2008).”
Exponential Improvement in Photon Storage Fidelities Using Subradiance and “Selective Radiance” in Atomic Arrays (2017, background): “predicted that any smooth spin wave fitting inside the atomic medium should be retrieved with error ε ∼ 1/D [37, 38].”