Photon storage in Λ -type optically dense atomic media. I. Cavity model

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

176 citations recorded by the source corpus.

In a recent paper [Gorshkov et al., Phys. Rev. Lett. 98, 123601 (2007)], we used a universal physical picture to optimize and demonstrate equivalence between 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. In the present paper, we perform the same analysis for the cavity model. In particular, we show that the retrieval efficiency is equal to C/(1+C) independent of the retrieval technique, where C is the cooperativity parameter. We also derive the optimal strategy for storage and, in particular, demonstrate that at any detuning one can store, with the optimal efficiency of C/(1+C), any smooth input mode satisfying TC{gamma}>>1 and a certain class of resonant input modes satisfying TC{gamma}{approx}1, where T is the duration of the input mode and 2{gamma} is the transition linewidth. In the two subsequent papers of the series, we present the full analysis of the free-space model and discuss the effects of inhomogeneous broadening on photon storage.

Subfields: Atomic and Molecular Physics, and Optics

View Paper: https://www.semanticscholar.org/paper/4ac4c49eceb03edfbf05ab7686de0dbb5a0f7ada

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In Atomic and Molecular Physics, and Optics

Citations in the corpus

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).”
Quantum memories: emerging applications and recent advances (2015, background): “In Section 2.3 we conclude the overview of the stateof-the-art in quantum memory research by identifying three of the outstanding challenges in quantum memory research, and identify the ongoing work toward solving these issues.”
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).”