Title :
Auto-compensating Quantum Cryptosystem using Homodyne Detection
Author :
Xu, Qi ; Silva, M B Costa ; Gallion, Philippe ; Mendieta, F.J.
Author_Institution :
Ecole Nat. Super. des Telecommun., Paris, France
Abstract :
We implement an experimental quantum cryptosystem using standard 1550 nm channel devices with auto-compensation for phase instabilities in which balanced homodyne detection employs a time-multiplexed strong reference. We use a dual-threshold to improve QBER.
Keywords :
error statistics; homodyne detection; quantum cryptography; QBER; auto-compensating quantum cryptosystem; balanced homodyne detection; homodyne detection; phase instabilities; standard channel devices; time-multiplexed strong reference; wavelength 1550 nm; Binary phase shift keying; Cryptography; High speed optical techniques; Optical fiber polarization; Optical mixing; Optical pulses; Optical receivers; Optical sensors; Phase detection; Quadrature phase shift keying;
Conference_Titel :
Optical Fiber communication/National Fiber Optic Engineers Conference, 2008. OFC/NFOEC 2008. Conference on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-55752-856-8
DOI :
10.1109/OFC.2008.4528203
