Quantum Network of Atom Clocks: A Possible Implementation with Neutral Atoms
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Authors
Kómár, Péter
Topcu, T.
Kessler, E. M.
Derevianko, Andrei
Vuletic, V.
Ye, J.
Lukin, Mikhail D.
Issue Date
2016
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Article
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Abstract
We propose a protocol for creating a fully entangled Greenberger-Horne-Zeilinger-type state of neutral atoms in spatially separated optical atomic clocks. In our scheme, local operations make use of the strong dipole-dipole interaction between Rydberg excitations, which give rise to fast and reliable quantum operations involving all atoms in the ensemble. The necessary entanglement between distant ensembles is mediated by single-photon quantum channels and collectively enhanced light-matter couplings. These techniques can be used to create the recently proposed quantum clock network based on neutral atom optical clocks. We specifically analyze a possible realization of this scheme using neutral Yb ensembles.
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Citation
Kómár, P., Topcu, T., Kessler, E. M., Derevianko, A., Vuleti?, V., Ye, J., & Lukin, M. D. (2016). Quantum Network of Atom Clocks: A Possible Implementation with Neutral Atoms. Physical Review Letters, 117(6). doi:10.1103/physrevlett.117.060506
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ISSN
0031-9007