Mapping broadband single-photon wavepackets into an atomic memory

Details Mapping broadband single-photon wavepackets into an atomic memory Mapping broadband single-photon wavepackets into an atomic memory

2007-02-05

arxiv.org/abs/quant-ph/0702041v1

Phys. Rev. A 75, 011401(R) (2007)

Physics

Quantum Physics

5 pages, 4 figures, published in PRA Rapid Communications

Scientific paper

10.1103/PhysRevA.75.011401

We analyze a quantum optical memory based on the off-resonant Raman interaction of a single broadband photon, copropagating with a classical control pulse, with an atomic ensemble. The conditions under which the memory can perform optimally are found, by means of a `universal' mode decomposition. This enables the memory efficiency to be specified in terms of a single parameter, and the control field pulse shape to be determined via a simple nonlinear scaling. We apply the same decomposition to determine the optimal configurations for read-out.

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