Title :
Secure quantum key distribution (QKD) over 76 km of optical fiber
Author :
Zavriyev, Anton ; Subacius, Darius ; Trifonov, Alexei
Author_Institution :
Magiq Technol., Somerville, MA, USA
Abstract :
We describe our recent experiments on one-way QKD in optical fibers. We used both, weak coherent pulses (WCP) as well as a heralded single photon source based on parametric down conversion of CW light.
Keywords :
optical parametric devices; photon counting; quantum communication; quantum cryptography; quantum entanglement; 76 km; CW light; optical fiber communication; parametric down conversion; photon counting; photon entanglement; quantum key distribution; single photon source; weak coherent pulse; Bit rate; Laboratories; Optical fiber polarization; Optical fibers; Optical interferometry; Optical pulses; Phase modulation; Phase shifting interferometry; Photonics Society; Pulse modulation;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1549049
