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arXiv · 0909.0429

Splitting of quantum information in traveling wave fields using only linear optical elements

W. B. Cardoso·N. G. de Almeida·A. T. Avelar·B. Baseia
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Abstract

In this brief report we present a feasible scheme to split quantum information in the realm of traveling waves. An oversimplified scheme is also proposed for the generation of a class of W states useful for perfect teleportation and superdense coding. The scheme employs only linear optical elements as beam splitters and phase shifters, in addition to photon counters and one-photon sources. It is shown that splitting of quantum information with high fidelity is possible even including inefficiency of the detectors and photoabsorption of the beam splitters.

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W. B. Cardoso, N. G. de Almeida, A. T. Avelar, B. Baseia. 2009-09-02. Splitting of quantum information in traveling wave fields using only linear optical elements. https://arxiv.org/abs/0909.0429

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