Heralded Noiseless Amplification of Photonic Qubits
Geoff J. Pryde, Sacha Kocsis, Timothy C. Ralph, Guo‐Yong Xiang · 2011
We experimentally demonstrate the heralded noiseless amplification of a photon polarization qubit subjected to loss, using two amplifier stages based on generalized quantum scissors. This is a key step towards realizing device-independent quantum key distribution.