Four-dimensional Quantum Key Distribution using Position-Momentum and Polarization Correlations

Details Four-dimensional Quantum Key Distribution using Position-Momentum and Polarization Correlations Four-dimensional Quantum Key Distribution using Position-Momentum and Polarization Correlations

2005-10-12

arxiv.org/abs/quant-ph/0510087v1

Physics

Quantum Physics

4 pages, 5 figures

Scientific paper

We demonstrate experimentally that it is possible to prepare and detect
photon pairs created by spontaneous parametric down-conversion which exhibit
simultaneous position-momentum and polarization correlations that are adequate
to implement a four-dimensional key distribution protocol.

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