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Physica Scripta

The construction, properties and applications of a new bipartite coherent-entangled state in the two-mode Fock space

Xiang‐Guo Meng, Ji‐Suo Wang, Bao‐Long Liang

Published Jan 14, 2011• 2 citations
Publisher

Abstract

Using the technique of integration within an ordered product (IWOP) of operators, we find a new kind of bipartite coherent-entangled state (CES) that exhibits both coherent state and entangled state properties. The set of CESs makes up a complete and partly nonorthogonal representation. Using an asymmetric beamsplitter we propose a simple experimental scheme for producing the CES. Finally, we present some new quantum states related to the CES and some applications of the CES to quantum optics.

DOI
10.1088/0031-8949/83/02/025005

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Using the technique of integration within an ordered product (IWOP) of operators, we find a new kind of bipartite coherent-entangled state (CES) that exhibits both coherent state and entangled state properties. The set of CESs makes up a complete and partly nonorthogonal representation. Using an asymmetric beamsplitter we propose a simple experimental scheme for producing the CES. Finally, we present some new quantum states related to the CES and some applications of the CES to quantum optics.
A new kind of tripartite coherent-entangled state (CES) ∣β,γ,x⟩μντ\ket{β,γ, x}_{μντ}∣β,γ,x⟩μντ​ is proposed, which exhibits the properties of both coherence and entanglement. We investigate its completeness and orthogonality, and find it can make up a representation of tripartite CES. A protocol for generating the tripartite CES is proposed using asymmetric beam splitter. Applications of the tripartite CES in quantum optics are also presented.