Title :
Experimental passive decoy-state quantum key distribution
Author :
Qi-Chao Sun ; Wei-Long Wang ; Yang Liu ; Fei Zhou ; Pelc, Jason S. ; Fejer, M.M. ; Cheng-Zhi Peng ; Xian-Feng Chen ; Xiong-Feng Ma ; Qiang Zhang ; Jian-Wei Pan
Author_Institution :
Dept. of Modern Phys., Univ. of Sci. & Technol. of China, Hefei, China
Abstract :
By employing low dark count up-conversion single photon detectors, we have experimentally demonstrated the passive decoy-state method over a 50-km-long optical fiber and have obtained a key rate of about 100 bit/s.
Keywords :
optical fibre communication; photodetectors; quantum cryptography; quantum optics; distance 50 km; key rate; low dark count up-conversion single photon detectors; optical fiber; passive decoy-state quantum key distribution; Adaptive optics; Detectors; Optical detectors; Optical fibers; Optical interferometry; Optical pulses; Photonics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA