Synchronization of Two Ensembles of Atoms

Minghui Xu, D. A. Tieri, E. C. Fine, James K. Thompson, and M. J. Holland
Phys. Rev. Lett. 113, 154101 – Published 6 October 2014
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Abstract

We propose a system for observing the correlated phase dynamics of two mesoscopic ensembles of atoms through their collective coupling to an optical cavity. We find a dynamical quantum phase transition induced by pump noise and cavity output coupling. The spectral properties of the superradiant light emitted from the cavity show that at a critical pump rate the system undergoes a transition from the behavior of two independent oscillators to the phase locking that is the signature of quantum synchronization.

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  • Received 22 July 2013

DOI:https://doi.org/10.1103/PhysRevLett.113.154101

© 2014 American Physical Society

Authors & Affiliations

Minghui Xu, D. A. Tieri, E. C. Fine, James K. Thompson, and M. J. Holland

  • JILA, National Institute of Standards and Technology and Department of Physics, University of Colorado, Boulder, Colorado 80309-0440, USA

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Vol. 113, Iss. 15 — 10 October 2014

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