Unambiguous preparation of non-orthogonal quantum states
Fabian A. Torres-Ruiz, J. Aguirre, A. Delgado, G. Lima, Sebastião Pádua, Luis Roa, C. Saavedra · International Conference on Quantum Information · 2008
A probabilistic method for the unambiguous preparation of non-orthogonal polarization states is proposed. We show experimentally how this protocol is implemented by using two-photon states generated in the process of down conversion.