4 papers
Variational quantum cloning machine on an integrated photonic interferometer
Francesco Hoch, Giovanni Rodari, Eugenio Caruccio +13
A seminal task in quantum information theory is to realize a device able to produce copies of a generic input state with the highest possible output fidelity, thus realizing an \te…
Quantum advantage in temporally flat measurement-based quantum computation
Michael de Oliveira, LuÃs S. Barbosa, Ernesto F. Galvão
Several classes of quantum circuits have been shown to provide a quantum computational advantage under certain assumptions. The study of ever more restricted classes of quantum cir…
Coherence and contextuality in a Mach-Zehnder interferometer
Rafael Wagner, Anita Camillini, Ernesto F. Galvão
We analyse nonclassical resources in interference phenomena using generalized noncontextuality inequalities and basis-independent coherence witnesses. We use recently proposed ineq…
Inequalities witnessing coherence, nonlocality, and contextuality
Rafael Wagner, Rui Soares Barbosa, Ernesto F. Galvão
Quantum coherence, nonlocality, and contextuality are key resources for quantum advantage in metrology, communication, and computation. We introduce a graph-based approach to deriv…