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quant-ph2007★ 32 cited
Several experimental realizations of symmetric phase-covariant quantum cloner of single-photon qubits
J. Soubusta, L. Bartuskova, A. Cernoch +2
We compare several optical implementations of phase-covariant cloning machines. The experiments are based on copying of the polarization state of a single photon in bulk optics by…
quant-ph2000
The effect of multi-pair signal states in quantum cryptography with entangled photons
Miloslav Dusek, Kamil Bradler
Real sources of entangled photon pairs (like parametric down conversion) are not perfect. They produce quantum states that contain more than only one photon pair with some probabil…