Bennett-Brassard 1984: 4-state non-orthogonal polarization protocol; security from no-cloning; Bennett-Bessette-Brassard-Salvail-Smolin 1992 first experimental implementation over 32 cm.
Bennett-Brassard 1984: 4-state non-orthogonal polarization protocol; security from no-cloning; Bennett-Bessette-Brassard-Salvail-Smolin 1992 first experimental implementation over 32 cm.