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Subwavelength quantum imaging with noisy detectors
Cosmo Lupo
It has been recently shown that an interferometric measurement may allow for sub-wavelength resolution of incoherent light. Whereas this holds for noiseless detectors, one could ex…
Towards practical security of continuous-variable quantum key distribution
Cosmo Lupo
Rigorous mathematical proofs of the security of continuous-variable quantum key distribution (CV QKD) have been obtained recently. Unfortunately, these security proofs rely on assu…
Advances in Quantum Cryptography
S. Pirandola, U. L. Andersen, L. Banchi +15
Quantum cryptography is arguably the fastest growing area in quantum information science. Novel theoretical protocols are designed on a regular basis, security proofs are constantl…
Photonic quantum data locking
Zixin Huang, Peter P. Rohde, Dominic W. Berry +3
Quantum data locking is a quantum phenomenon that allows us to encrypt a long message with a small secret key with information-theoretic security. This is in sharp contrast with cl…
Dense coding capacity of a quantum channel
Riccardo Laurenza, Cosmo Lupo, Seth Lloyd +1
We consider the fundamental protocol of dense coding of classical information assuming that noise affects both the forward and backward communication lines between Alice and Bob. A…