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- Centre National de la Recherche ScientifiqueFR208 papers
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29 papers · 2 filters
Multipartite Entanglement Swapping and Mechanical Cluster States
Carlo Ottaviani, Cosmo Lupo, Alessandro Ferraro +2
We present a protocol for generating multipartite quantum correlations across a quantum network with a continuous-variable architecture. An arbitrary number of users possess two-mo…
"Mechano-optics": An optomechanical quantum simulator
David Edward Bruschi, André Xuereb
A widely-known paradigm in optomechanical systems involves coupling the square of the position of a mechanical oscillator to an electromagnetic field. We discuss how, in the so-cal…
Teleportation simulation of bosonic Gaussian channels: Strong and uniform convergence
Stefano Pirandola, Riccardo Laurenza, Samuel L. Braunstein
We consider the Braunstein-Kimble protocol for continuous variable teleportation and its application for the simulation of bosonic channels. We discuss the convergence properties o…
Parameter estimation with almost no public communication for continuous-variable quantum key distribution
Cosmo Lupo, Carlo Ottaviani, Panagiotis Papanastasiou +1
One crucial step in any quantum key distribution (QKD) scheme is parameter estimation. In a typical QKD protocol the users have to sacrifice part of their raw data to estimate the…
Measuring adiabaticity in non-equilibrium quantum systems
A. H. Skelt, R. W. Godby, I. D'Amico
Understanding out-of-equilibrium quantum dynamics is a critical outstanding problem, with key questions regarding characterizing adiabaticity for applications in quantum technologi…
Theory of channel simulation and bounds for private communication
Stefano Pirandola, Samuel L. Braunstein, Riccardo Laurenza +4
We review recent results on the simulation of quantum channels, the reduction of adaptive protocols (teleportation stretching), and the derivation of converse bounds for quantum an…