Photon-echo quantum memories in inhomogeneously broadened two-level atoms

D. L. McAuslan; P. M. Ledingham; W. R. Naylor; S. E. Beavan; M. P. Hedges; M. J. Sellars; J. J. Longdell

doi:10.1103/PhysRevA.84.022309

Photon-echo quantum memories in inhomogeneously broadened two-level atoms

D. L. McAuslan^*, P. M. Ledingham, W. R. Naylor, S. E. Beavan, M. P. Hedges, M. J. Sellars, J. J. Longdell

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

57 Citations (Scopus)

Abstract

Here, we propose a solid-state quantum memory that does not require spectral holeburning, instead using strong rephasing pulses like traditional photon-echo techniques. The memory uses external broadening fields to reduce the optical depth and so switch off the collective atom-light interaction when desired. The proposed memory should allow operation with reasonable efficiency in a much broader range of material systems, for instance Er3⁺ doped crystals which have a transition at 1.5 μm. We present analytic theory supported by numerical calculations and initial experiments.

Original language	English
Article number	022309
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	84
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevA.84.022309
Publication status	Published - 5 Aug 2011

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AU - Hedges, M. P.

AU - Sellars, M. J.

AU - Longdell, J. J.

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Photon-echo quantum memories in inhomogeneously broadened two-level atoms

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