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- Sapienza University of RomeIT604 papers
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4 papers · 2 filters
Extremal Quantum Correlations: Experimental Study with Two-qubit States
Andrea Chiuri, Giuseppe Vallone, Mauro Paternostro +1
We explore experimentally the space of two-qubit quantum correlated mixed states, including frontier ones as defined by the use of quantum discord and von Neumann entropy. Our expe…
Integrated photonic quantum gates for polarization qubits
Andrea Crespi, Roberta Ramponi, Roberto Osellame +5
Integrated photonic circuits have a strong potential to perform quantum information processing. Indeed, the ability to manipulate quantum states of light by integrated devices may…
Fully nonlocal quantum correlations
Leandro Aolita, Rodrigo Gallego, Antonio Acín +4
Quantum mechanics is a nonlocal theory, but not as nonlocal as the no-signalling principle allows. However, there exist quantum correlations that exhibit maximal nonlocality: they…
Testing Hardy nonlocality proof with genuine energy-time entanglement
G. Vallone, I. Gianani, E. B. Inostroza +4
We show two experimental realizations of Hardy ladder test of quantum nonlocality using energy-time correlated photons, following the scheme proposed by A. Cabello \emph{et al.} [P…