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Abstract: In this brief report we present a feasible scheme to split quantuminformation in the realm of traveling waves. An oversimplified scheme is alsoproposed for the generation of a class of W states useful for perfectteleportation and superdense coding. The scheme employs only linear opticalelements as beam splitters and phase shifters, in addition to photon countersand one-photon sources. It is shown that splitting of quantum information withhigh fidelity is possible even including inefficiency of the detectors andphotoabsorption of the beam splitters.



Autor: W. B. Cardoso, N. G. de Almeida, A. T. Avelar, B. Baseia

Fuente: https://arxiv.org/







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