Title :
Use of discrete modulation and a continuous wave local oscillator in a 24 km continuous variable quantum key distribution system
Author :
Xuan, Quyen Dinh ; Zhang, Zheshen ; Voss, Paul L.
Author_Institution :
Georgia Tech Lorraine, Georgia Tech-C.N.R.S., Metz, France
Abstract :
We implement an experimental continuous variable quantum key distribution system over 24 km of optical fiber that uses discrete signaling and a continuous wave local oscillator. A secure key rate of 3.45 kb/s was achieved.
Keywords :
optical fibre communication; optical modulation; quantum cryptography; continuous variable quantum key distribution; continuous wave local oscillator; discrete modulation; discrete signaling; distance 24 km; optical fiber; quantum key distribution system; Error correction codes; Frequency; Local oscillators; Low pass filters; Noise cancellation; Optical fiber polarization; Optical fibers; Phase modulation; Phase noise; Protocols;
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
