Title :
A simple plug&play quantum key distribution scheme with extremely long-term stability
Author :
Ma, Hai-Qiang ; Zhao, Jian-Ling ; Wu, Ling-An
Author_Institution :
Inst. of Phys., Chinese Acad. of Sci., Beijing
Abstract :
A relatively simple plug-and-play quantum key distribution scheme based on two polarization beamsplitters has been demonstrated with an extinction ratio of 30 dB over 50 km of fiber at 1.31 mum, maintainable under ordinary lab conditions for several months.
Keywords :
light polarisation; optical beam splitters; optical communication equipment; optical fibre communication; quantum cryptography; distance 50 km; extinction ratio; fiber systems; long-term stability; plug-and-play quantum key distribution; polarization beamsplitters; wavelength 1.31 mum; Cryptography; Extinction ratio; Feedback control; Mirrors; Optical fiber polarization; Optical modulation; Phase modulation; Pulse modulation; Sagnac interferometers; Stability;
Conference_Titel :
Lasers and Electro-Optics - Pacific Rim, 2007. CLEO/Pacific Rim 2007. Conference on
Conference_Location :
Seoul
Print_ISBN :
978-1-4244-1173-3
Electronic_ISBN :
978-1-4244-1174-0
DOI :
10.1109/CLEOPR.2007.4391763
