Title :
Passive decoy state quantum key distribution with coherent light
Author :
Curty, Marcos ; Ma, Xiongfeng ; Qi, Bing ; Moroder, Tobias ; Lütkenhaus, Norbert
Author_Institution :
Dept. of Signal Theor. & Commun., Univ. of Vigo, Vigo, Spain
Abstract :
We propose a simple method for passive preparation of decoy states in quantum key distribution with coherent light. It involves linear optics together with a photo-detector. The performance is comparable to the active decoy schemes.
Keywords :
light coherence; photodetectors; quantum cryptography; coherent light; decoy states; passive preparation; photodetector; quantum key distribution; Distributed computing; Optical attenuators; Optical receivers; Physics computing; Pulse modulation; Quantum computing; Quantum mechanics; Statistical distributions; Telecommunication computing; Telecommunication standards;
Conference_Titel :
Optical Fiber Communication (OFC), collocated National Fiber Optic Engineers Conference, 2010 Conference on (OFC/NFOEC)
Conference_Location :
San Diego, CA
Electronic_ISBN :
978-1-55752-884-1
