493 citations · 12.2k across the 287 of their papers we have counts for
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Quantum state engineering assisted by entanglement
Matteo G. A. Paris, Mary Cola, Rodolfo Bonifacio
We suggest a general scheme for quantum state engineering based on conditional measurements carried out on entangled twin-beam of radiation. Realistic detection schemes such as {\s…
Local observables for entanglement witnesses
G. Mauro D'Ariano, Chiara Macchiavello, Matteo G. A. Paris
We present an explicit construction of entanglement witnesses for depolarized states in arbitrary finite dimension. For infinite dimension we generalize the construction to twin-be…
Evolution of twin-beam in active optical media
Matteo G. A. Paris
We study the evolution of twin-beam propagating inside active media that may be used to establish a continuous variable entangled channel between two distant users. In particular,…
Binary communication in entangled channels
Matteo G A Paris
We analyze optical binary communication assisted by entanglement and show that: i) ideal entangled channels have smaller error probability than ideal single-mode coherent channels…
Secure communication using coherent states
Geraldo A. Barbosa, Eric Corndorf, Prem Kumar +4
We demonstrate that secure communication using coherent states is possible. The optimal eavesdropping strategy for an M-ry ciphering scheme shows that the minimum probability of er…
Remote state preparation and teleportation in phase space
Matteo G. A. Paris, Mary Cola, Rodolfo Bonifacio
Continuous variable remote state preparation and teleportation are analyzed using Wigner functions in phase space. We suggest a remote squeezed state preparation scheme between two…
Teleportation improvement by inconclusive photon subtraction
Stefano Olivares, Matteo G. A. Paris, Rodolfo Bonifacio
Inconclusive photon subtraction (IPS) is a conditional measurement scheme to force nonlinear evolution of a given state. In IPS the input state is mixed with the vacuum in a beam s…
Optimized quantum nondemolition measurement of a field quadrature
Matteo G. A. Paris
We suggest an interferometric scheme assisted by squeezing and linear feedback to realize the whole class of field-quadrature quantum nondemolition measurements, from Von Neumann p…