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Phys. Rev. A 79, 024301 (2009) [4 pages]

Generating EPR beams in a cavity optomechanical system

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Zhang-qi Yin1,2 and Y.-J. Han2
1Department of Applied Physics, Xi’an Jiaotong University, Xi’an 710049, China
2FOCUS Center and MCTP, Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA

Received 4 December 2008; published 3 February 2009

We propose a scheme to produce continuous variable entanglement between phase-quadrature amplitudes of two light modes in an optomechanical system. For proper driving power and detuning, the entanglement is insensitive with bath temperature and Q of the mechanical oscillator. Under realistic experimental conditions, we find that the entanglement could be very large even at room temperature.

© 2009 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.79.024301
DOI:
10.1103/PhysRevA.79.024301
PACS:
03.67.Bg, 42.50.Wk, 07.10.Cm