Dynamics of entanglement transfer from radiation modes to localized qubits
Dipartimento di Fisica dell'Università degli Studi, 20133 Milano, Italy
2 Institute for Scientific Interchange, 10133 Torino, Italy
We address the dynamics of entanglement transfer from two radiation modes to a pair of localized qubits implemented as atoms flying through or trapped in separated cavities. We first generalize previous results to include radiation in entangled mixed states and to describe the effect of cavity mirror transmittance. Then we investigate the transfer process by Monte Carlo Wave Function approach, which allows us to solve the whole system dynamics including cavity mode and atomic decays. We focus on flying modes prepared in coherently correlated states and we find realistic conditions for efficient entanglement transfer out of the weak and strong coupling regimes in the perspective of quantum memories realization.
© EDP Sciences, Springer-Verlag, 2008