A single-atom quantum memory

Eden Figueroa; Holger Specht; Christian Nölleke; Andreas Reiserer; Manuel Uphoff; Stephan Ritter; Gerhard Rempe

doi:10.1364/ICQI.2011.QTuG3

International Conference on Quantum Information
OSA Technical Digest (CD) (Optica Publishing Group, 2011),
paper QTuG3
•https://doi.org/10.1364/ICQI.2011.QTuG3

A single-atom quantum memory

Eden Figueroa, Holger Specht, Christian Nölleke, Andreas Reiserer, Manuel Uphoff, Stephan Ritter, and Gerhard Rempe

International Conference on Quantum Information 2011

Ottawa Canada
6–8 June 2011
ISBN: 978-1-55752-928-2

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Tuesday Session VII (QTuG)

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E. Figueroa, H. Specht, C. Nölleke, A. Reiserer, M. Uphoff, S. Ritter, and G. Rempe, "A single-atom quantum memory," in International Conference on Quantum Information, OSA Technical Digest (CD) (Optica Publishing Group, 2011), paper QTuG3.

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Abstract

We show the implementation of the most fundamental quantum memory by mapping arbitrary polarization states of light into and out of a single atom trapped inside an optical cavity. The memory performance is analyzed through full quantum process tomography. The average fidelity is measured to be 93% and low decoherence rates result in storage times exceeding 180µs.

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