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Simple optical measurement of the overlap and fidelity of quantum states: An experiment
Martin Hendrych, Miloslav Dusek, Radim Filip +1
We present the experimental results of measurements of the overlap of both pure and mixed polarization states of photons. The fidelity and purity of mixed states were also measured…
Universal measurement apparatus controlled by quantum software
Jaromir Fiurasek, Miloslav Dusek, Radim Filip
We propose a quantum device that can approximate any projective measurement on a qubit. The desired measurement basis is selected by the quantum state of a "program register". The…
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…