The use of linearly independent signal states in realistic implementations of quantum key
distribution (QKD) enables an eavesdropper to perform unambiguous state discrimination …

We propose several methods for quantum key distribution (QKD) based on the generation
and transmission of random distributions of coherent or squeezed states, and we show that …

As quantum key distribution becomes a mature technology, it appears clearly that some
assumptions made in the security proofs cannot be justified in practical implementations …

Quantum key distribution can be performed with practical signal sources such as weak
coherent pulses. One example of such a scheme is the Bennett-Brassard protocol that can …

We propose an extension of quantum key distribution based on encoding the key into
quNits, ie quantum states in an N-dimensional Hilbert space. We estimate both the mutual …

We introduce a ternary quantum key distribution (QKD) protocol and asymptotic security
proof based on three coherent states and homodyne detection. Previous work had …

In realistic continuous-variable quantum key distribution protocols, an eavesdropper may
exploit the additional Gaussian noise generated during transmission to mask her presence …

We assess the security of a quantum key distribution protocol relying on the transmission of
Gaussian-modulated coherent states and homodyne detection. This protocol is shown to be …

We propose an upper bound for the eavesdropper's information in the direct and reverse
reconciliated coherent states quantum key distribution protocols with heterodyne detection …

We address security of the quantum key distribution scheme based on the noisy modulation
of coherent states and investigate how it is robust against noise in the modulation regardless …