17 citations · 48 across the 5 of their papers we have counts for
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Qubit channels with small correlations
Filippo Caruso, Vittorio Giovannetti, Chiara Macchiavello +1
We introduce a class of quantum channels with correlations acting on pairs of qubits, where the correlation takes the form of a shift operator onto a maximally entangled state. We…
A new approach to characterize qubit channels
Filippo Caruso, Vittorio Giovannetti
We analyze qubit channels by exploiting the possibility of representing two-level quantum systems in terms of characteristic functions. To do so, we use functions of non-commuting…
Qubit quantum channels: A characteristic function approach
Filippo Caruso, Vittorio Giovannetti
A characterization of qubit quantum channels is introduced. In analogy to what happens in the context of Bosonic channels we exploit the possibility of representing the states of t…
Robustness of a quantum key distribution with two and three mutually unbiased bases
Filippo Caruso, Helle Bechmann-Pasquinucci, Chiara Macchiavello
We study the robustness of various protocols for quantum key distribution. We first consider the case of qutrits and study quantum protocols that employ two and three mutually unbi…
Slow Light amplification in a non-inverted gain medium
Filippo Caruso, Ivan Herrera, Saverio Bartalini +1
We investigate the propagation of a coherent probe light pulse through a three-level atomic medium (in the --configuration) in the presence of a pump laser under the conditions…