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Optics Communications

Continuous-variables teleportation of a two-particle entangled state

В. Н. Горбачев, A. I. Zhiliba, Andrew I. Trubilko

Published Jan 1, 2001• 8 citations
Publisher
DOI
10.1016/s0030-4018(00)01122-6

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We consider the forming of a four-mode entangled state for continuous variables (CV) in coupled optical parametric processes. The processes comprise one down-conversion process and two up-conversion ones. Such interactions can simultaneously be realized in a single aperiodical nonlinear photonic crystal. To reveal the entanglement between continuous variables at generated frequencies, the different criteria of the separability have been applied. We also consider teleportation of two-mode entangled CV state using the created four-mode state. It is shown that in the proposed scheme the fidelity of entangled CV teleportation can be almost perfect.