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

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

2009-09-02

arxiv.org/abs/0909.0429v1

Physics

Quantum Physics

4 pages, 6 figures

Scientific paper

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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