We use a four-wave mixing process in an atomic system to delay continuous variable entanglement present in twin beams. We have obtained delays of over 25 ns while preserving the quantum correlations.
© 2008 The Optical Society
(190.0190) Nonlinear optics : Nonlinear optics
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(270.0270) Quantum optics : Quantum optics
(270.5585) Quantum optics : Quantum information and processing
A. M. Marino, R. C. Pooser, V. Boyer, and P. D. Lett, "Delay of Continuous Variable Entanglement," in Frontiers in Optics 2008/Laser Science XXIV/Plasmonics and Metamaterials/Optical Fabrication and Testing, OSA Technical Digest (CD) (Optical Society of America, 2008), paper FTuQ2.
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