Modified Bennett-Brassard 1984 Quantum Key Distribution With Two-way Classical Communications
arXiv:quant-ph/0508206 · doi:10.1103/PhysRevA.72.022336
Abstract
The quantum key distribution protocol without public announcement of bases is equipped with a two-way classical communication symmetric entanglement purification protocol. This modified key distribution protocol is unconditionally secure and has a higher tolerable error rate of 20%, which is higher than previous scheme without public announcement of bases.
5 pages. To appear in Physical Review A