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4 papers · 2 filters
Continuous Variables (2,3) Threshold Quantum Secret Sharing Schemes
A. M. Lance, T. Symul, W. P. Bowen +3
We present two experimental schemes to perform continuous variable (2,3) threshold quantum secret sharing on the quadratures amplitudes of bright light beams. Both schemes require…
Reconstruction of motional states of neutral atoms via MaxEnt principle
Gabriel Drobny, Vladimir Buzek
We present a scheme for a reconstruction of states of quantum systems from incomplete tomographic-like data. The proposed scheme is based on the Jaynes principle of Maximum Entropy…
Quantum multimeters: A programmable state discriminator
Miloslav Dusek, Vladimir Buzek
We discuss a possibility to build a programmable quantum measurement device (a "quantum multimeter"). That is, a device that would be able to perform various desired generalized, p…
Entanglement swapping between multi-qudit systems
Jan Bouda, Vladimir Buzek
We generalize the entanglement swapping scheme originally proposed for two pairs of qubits to an arbitrary number of systems composed from an arbitrary number of qudits.…