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Phys. Rev. A 75, 063815 (2007) [8 pages]

Macroscopic three-mode squeezed and fully inseparable entangled beams from triply coupled intracavity Kerr nonlinearities

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Hua-tang Tan and Gao-xiang Li*
Department of Physics, Huazhong Normal University, 430079 Wuhan, China

Shi-yao Zhu
Department of Physics, Hong Kong Baptist University, Hong Kong, China

Received 15 February 2007; published 15 June 2007

The generation of macroscopic and spatially separated three-mode entangled light for triply coupled χ(3) Kerr coupler inside a pumped optical cavity is investigated. With the linearized analysis for small perturbation around the steady state of the pumped cavity modes, the linearized Hamiltonian and the corresponding master equation are obtained. It is found that the bright three-mode squeezing and full inseparable entanglement can be achieved both inside and outside the cavity.

© 2007 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.75.063815
DOI:
10.1103/PhysRevA.75.063815
PACS:
42.50.Dv

*gaox@phy.ccnu.edu.cn