Experimental restoration of entanglement on an entanglement breaking quantum channel
Fabio Sciarrino, Eleonora Nagali, F. De Martini, Radim Filip, Miroslav Gavenda · International Conference on Quantum Information · 2008
A new method revealing entanglement from a single photon entanglement breaking channel is proposed and experimentally verified. Via detection of noise leaving channel, the entanglement can be restored and further enhanced by single-copy entanglement filtration.