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Stationary entanglement between two movable mirrors in a classically driven Fabry-Perot cavity
David Vitali, Stefano Mancini, Paolo Tombesi
We consider a Fabry-Perot cavity made by two moving mirrors and driven by an intense classical laser field. We show that stationary entanglement between two vibrational modes of th…
Quantum-limited force measurement with an optomechanical device
Marco Lucamarini, David Vitali, Paolo Tombesi
We study the detection of weak coherent forces by means of an optomechanical device formed by a highly reflecting isolated mirror shined by an intense and highly monochromatic lase…
Optomechanical entanglement between a movable mirror and a cavity field
D. Vitali, S. Gigan, A. Ferreira +6
We show how stationary entanglement between an optical cavity field mode and a macroscopic vibrating mirror can be generated by means of radiation pressure. We also show how the ge…
Experimental Test of Two-way Quantum Key Distribution in Presence of Controlled Noise
A. Cere', M. Lucamarini, G. Di Giuseppe +1
We describe the experimental test of a quantum key distribution performed with a two-way protocol without using entanglement. An individual incoherent eavesdropping is simulated an…
Two-way Protocol for Quantum Cryptography with Imperfect Devices
M. Lucamarini, A. Cere', G. Di Giuseppe +3
The security of a deterministic quantum scheme for communication, namely the LM05 [1], is studied in presence of a lossy channel under the assumption of imperfect generation and de…
Assessment of a quantum phase gate operation based on nonlinear optics
S. Rebic, C. Ottaviani, G. Di Giuseppe +2
We analyze in detail the proposal for a two-qubit gate for travelling single-photon qubits recently presented by C. Ottaviani \emph{et al}. [Phys. Rev. A \textbf{73}, 010301(R) (20…