PME states for any even number of qudits are shown to be generated by applying controlled-phase gates to separable phase states, and a quantum secret sharing protocol is sketched for them.
Quantum secret sharing using pseudo-GHZ states
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abstract
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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2024 1verdicts
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Constructing Multipartite Planar Maximally Entangled States from Phase States and Quantum Secret Sharing Protocol
PME states for any even number of qudits are shown to be generated by applying controlled-phase gates to separable phase states, and a quantum secret sharing protocol is sketched for them.