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Communications in Theoretical Physics

Multi-mode Coherent-Entangled State Representation and Its Applications

Heng-Mei Li, Yuan Hong-Chun

Published Nov 1, 2008• 1 citation
Publisher

Abstract

We introduce the so-called coherent-entangled state (CES) in the four-mode Fock space, which makes up a new quantum mechanical representation owing to completeness relation and orthogonal property. Its standard Schmidt decomposition and experimental generation using beam-splitter (BS) are proposed. In addition, its applications in quantum optics are presented. Finally, we extend it to multi-mode case and discuss some applications, too.

DOI
10.1088/0253-6102/50/5/14

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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.
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