Reduction of the radiative decay of atomic coherence in squeezed vacuum

K. W. Murch (), S. J. Weber, K. M. Beck, E. Ginossar and I. Siddiqi
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K. W. Murch: Quantum Nanoelectronics Laboratory, University of California
S. J. Weber: Quantum Nanoelectronics Laboratory, University of California
K. M. Beck: MIT-Harvard Center for Ultracold Atoms, and Research Laboratory of Electronics, Massachusetts Institute of Technology
E. Ginossar: University of Surrey, Guildford GU2 7XH, UK
I. Siddiqi: Quantum Nanoelectronics Laboratory, University of California

Nature, 2013, vol. 499, issue 7456, 62-65

Abstract: The quantum light–matter interaction between a superconducting artificial atom and squeezed vacuum reduces the transverse radiative decay rate of the atom by a factor of two, allowing the corresponding coherence time, T2, to exceed the ordinary vacuum decay limit, 2T1.

Date: 2013
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DOI: 10.1038/nature12264

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