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Quantum repeaters with entangled coherent states
Nicolas Sangouard, Christoph Simon, Nicolas Gisin +3
Entangled coherent states can be prepared remotely by subtracting non-locally a single photon from two quantum superpositions of coherent states, the so-called "Schroedinger's cat"…
Implementation of a non-deterministic optical noiseless amplifier
Franck Ferreyrol, Marco Barbieri, Remi Blandino +3
Quantum mechanics imposes that any amplifier that works independently on the phase of the input signal has to introduce some excess noise. The impossibility of such a noiseless amp…
A multimode model for projective photon-counting measurements
Rosa Tualle-Brouri, Alexei Ourjoumtsev, Aurelien Dantan +3
We present a general model to account for the multimode nature of the quantum electromagnetic field in projective photon-counting measurements. We focus on photon-subtraction exper…