Entanglement localization after coupling to an incoherent noisy system
Fabio Sciarrino, Eleonora Nagali, F. De Martini, Miroslav Gavenda, Radim Filip · Physical Review A · 2009
We report the experimental realization of entanglement localization which restores the polarization entanglement completely redirected after a linear coupling with incoherent and noisy surrounding photon. The method based only on measurements of the surrounding photon after the coupling and on postselection can localize the entanglement back to original systems for any linear coupling.