S
Stefano Pirandola
Researcher at University of York
Publications - 311
Citations - 18606
Stefano Pirandola is an academic researcher from University of York. The author has contributed to research in topics: Quantum & Quantum entanglement. The author has an hindex of 51, co-authored 286 publications receiving 14410 citations. Previous affiliations of Stefano Pirandola include Centre for Quantum Technologies & Massachusetts Institute of Technology.
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Composable Security of Measurement-Device-Independent Continuous-Variable Quantum Key Distribution against Coherent Attacks
TL;DR: The results show that a field demonstration of CV MDI QKD is feasible with currently available technologies and that it is possible to achieve a nonzero secret key rate against the most general class of coherent attacks for block size of 10^6-10^9.
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Ultimate precision limits for quantum sub-Rayleigh imaging
Cosmo Lupo,Stefano Pirandola +1 more
TL;DR: In this paper, the authors show that the problem of estimating the separation between two point-like sources is equivalent to the estimation of the loss parameters of two lossy bosonic channels, i.e., the transmissivities of two beam splitters.
Proceedings ArticleDOI
Two-way quantum cryptography with continuous variables: unconditional security and performances at different wavelengths
TL;DR: The security of two-way QKD against coherent attacks achieving unconditional security in all encoding/decoding configurations is analysed, finding a robust threshold in reverse reconciliation, improving the security distances for QKKD in the infrared.
Journal ArticleDOI
Dense coding capacity of a quantum channel.
TL;DR: In this article, the authors considered the problem of dense coding of classical information in the presence of noise in both the forward and backward communication lines between Alice and Bob, and established the capacity of Pauli channels in arbitrary finite dimension, with simple formulas for depolarizing and dephasing qubit channels.
Journal ArticleDOI
Conditional channel simulation
TL;DR: In this article, a specific simulation tool for quantum channels based on the use of a control system is proposed, which allows us to simulate an average quantum channel which is expressed in terms of an ensemble of channels, even when these channel components are not jointly teleportation-covariant.