Observation of entanglement between a quantum dot spin and a single photon

W. B. Gao (), P. Fallahi, E. Togan, J. Miguel-Sanchez and A. Imamoglu ()
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W. B. Gao: Institute of Quantum Electronics, ETH Zurich, CH-8093 Zurich, Switzerland
P. Fallahi: Institute of Quantum Electronics, ETH Zurich, CH-8093 Zurich, Switzerland
E. Togan: Institute of Quantum Electronics, ETH Zurich, CH-8093 Zurich, Switzerland
J. Miguel-Sanchez: Institute of Quantum Electronics, ETH Zurich, CH-8093 Zurich, Switzerland
A. Imamoglu: Institute of Quantum Electronics, ETH Zurich, CH-8093 Zurich, Switzerland

Nature, 2012, vol. 491, issue 7424, 426-430

Abstract: Fast, single-photon detection enables the observation of entanglement between a stationary quantum bit (a single quantum dot spin) and a propagating quantum bit (a single photon), marking a first step towards the implementation of a quantum network with nodes consisting of semiconductor spin quantum bits.

Date: 2012
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DOI: 10.1038/nature11573

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