Title :
Megabit per second quantum key distribution using practical InGaAs APDs
Author :
Dixon, R. ; Yuan, Z.L. ; Dynes, J.F. ; Sharpe, A.W. ; Shields, A.J.
Abstract :
We report the first gigahertz clocked decoy-protocol quantum key distribution (QKD) system, with a record secure key rate of 1.02 Mbit/s over a fiber distance of 20 km and 10.1 kbit/s over 100 km.
Keywords :
III-V semiconductors; avalanche photodiodes; gallium arsenide; indium compounds; optical fibre communication; optical receivers; quantum cryptography; APD; InGaAs; QKD system; bit rate 1.02 Mbit/s; bit rate 10.1 kbit/s; distance 100 km; distance 20 km; fiber communication; gigahertz clocked decoy-protocol; megabit per second quantum key distribution; secure key rate; High speed optical techniques; Indium gallium arsenide; Information security; Optical attenuators; Optical fiber polarization; Optical interferometry; Optical modulation; Optical pulses; Protocols; Pulse modulation; (060.5565) Quantum communications; (270.5568) Quantum cryptography;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
