Quantum secret sharing using pseudo-GHZ states

Details Quantum secret sharing using pseudo-GHZ states Quantum secret sharing using pseudo-GHZ states

1999-12-08

arxiv.org/abs/quant-ph/9912035v1

Physics

Quantum Physics

4 pages including 3 figures and 1 table

Scientific paper

We present a setup for quantum secret sharing using pseudo-GHZ states based on energy-time entanglement. In opposition to true GHZ states, our states do not enable GHZ-type tests of nonlocality, however, they bare the same quantum correlations. The relatively high coincidence count rates found in our setup enable for the first time an application of a quantum communication protocoll based on more than two qubits.

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