Schmidt-mode analysis of quadrature entanglement in superpositions of two-mode multiphoton states

Schmidt-decomposition formalism is proposed to be used for evaluation of the degree of quadrature entanglement in two-mode multiphoton states. A series of examples are considered, including analysis of the quadrature entanglement of the two-mode squeezed vacuum. Single-mode and two-mode coherent sta...

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Bibliographic Details
Published in:Physica scripta 2020-06, Vol.95 (6), p.64001
Main Author: Fedorov, M V
Format: Article
Language:English
Subjects:
quadrature entanglement
Schmidt decomposition
stochastic phases
two-mode coherent states
two-mode squeezed vacuum
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Summary:Schmidt-decomposition formalism is proposed to be used for evaluation of the degree of quadrature entanglement in two-mode multiphoton states. A series of examples are considered, including analysis of the quadrature entanglement of the two-mode squeezed vacuum. Single-mode and two-mode coherent states with stochastic phases are analyzed by the same method though in this case features of quadrature states are interpreted in terms of decoherence rather than entanglement.
ISSN:0031-8949
1402-4896
DOI:10.1088/1402-4896/ab7aa7