Title :
Successful quantum key distribution with simultaneous quadrature measurement in the presence of 90% line loss
Author :
Symul, T. ; Lance, A.M. ; Sharma, V. ; Lam, R.K. ; Weedbrook, C. ; Ralph, T.C.
Author_Institution :
Dept. of Phys., Australian Nat. Univ., Weston Creek, ACT, Australia
Abstract :
This paper reports on the demonstration of a quantum key distribution (QKD) in the presence of 90% line loss. A raw key rate (before reconciliation and privacy amplification) of 1 Mbits/s in the presence of 50% line loss is obtained.
Keywords :
optical communication; optical losses; quantum cryptography; quantum optics; 1 Mbit/s; QKD; line loss; privacy amplification; quadrature measurement; quantum key distribution; raw key rate; reconciliation; Bit rate; Cryptography; Displacement measurement; Loss measurement; Optical losses; Performance evaluation; Phase measurement; Physics; Privacy; Protocols;
Conference_Titel :
Quantum Electronics Conference, 2005. EQEC '05. European
Conference_Location :
Munich
Print_ISBN :
0-7803-8973-5
DOI :
10.1109/EQEC.2005.1567468
