4Bennett C H, Brassard G 1984 Proceedings of the IEEE International Conference on Computers, Systems, and Signal Processing, Bangalore, India, New York : IEEE 175.
5Bennett C H 1992 Phys. Rev. Lett. 68 3121.
6Bennett C H, Bessette F, Brassard G,Salvail L, Smolin J 1992 J. Crypto. $ 3.
7Hughes R, Morgan G, Peterson C 2000 J. Mod. Opt. 47 533.
8Stucki D, Gisin N, Guinnard O, Ribordy G, Zbinden H 2002 New J. Phys. 4 41.
9Huges R, Nordholt J, Derkacs D, Peterson C G 2002 New J. Phys. 4 43.
10Gobby C, Yuan Z L, Shields A J 2004 Appl. Phys. Lett. 84 3762.
