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

Journal Article · Mon Aug 15 04:00:00 EDT 2011 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.84.022309· OSTI ID:22068502

McAuslan, D L; Ledingham, P M; Naylor, W R; Longdell, J J ^[1]; Beavan, S E; Hedges, M P; Sellars, M J ^[2]

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1. Jack Dodd Centre for Photonics and Ultra-Cold Atoms, Department of Physics, University of Otago, Dunedin (New Zealand)
2. Centre for Quantum Computation and Communication Technology, RSPE, Australian National University, Canberra, ACT 0200 (Australia)

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 Er{sup 3+} doped crystals which have a transition at 1.5 {mu}m. We present analytic theory supported by numerical calculations and initial experiments.

• OSTI ID: 22068502
• Journal Information: Physical Review. A, Journal Name: Physical Review. A Journal Issue: 2 Vol. 84; ISSN 1050-2947; ISSN PLRAAN
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ATOMS
CRYSTALS
DOPED MATERIALS
EFFICIENCY
ERBIUM IONS
INTERACTIONS
PHOTONS
PULSES