Title :
A portable QKD system based on entanglement
Author :
Hubel, Hannes ; Poppe, Andreas ; Hentschel, Michael ; Zeilinger, Anton
Author_Institution :
Fac. of Phys., Vienna Univ., Vienna
Abstract :
We demonstrate a fully functioning and portable QKD system based on polarisation entanglement for long time usage. We further show the distribution of secure keys a rate of 1 kbit/s over 25 km for 24 hours.
Keywords :
optical communication equipment; portable instruments; quantum cryptography; quantum entanglement; quantum optics; telecommunication security; distance 25 km; polarisation entanglement; portable QKD system; quantum cryptography; quantum entanglement; quantum key distribution; secure keys; time 24 hour; Cryptography; Detectors; Feedback loop; Laser feedback; Mirrors; Optical fiber devices; Optical fiber polarization; Optical fibers; Optical receivers; Quantum entanglement; (270.5565) Quantum communications; (270.5568) Quantum cryptography;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9