2006 Optical Fiber Communication Conference and the National Fiber Optic Engineers Conference 2006
DOI: 10.1109/ofc.2006.215405
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In-band quantum key distribution (QKD) on fiber populated by high-speed classical data channels

Abstract: We used a commercial QKD system to conduct key exchange over 50-km fiber span that supported classical 10 Gbit/sec traffic. Both quantum and classical channels were carried by the standard ITU grid C-band wavelengths.

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Cited by 34 publications
(32 citation statements)
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“…The impact of a single classical C-band channel, wavelength multiplexed with a quantum channel at 1310 nm, was analysed. Later, in 2005, Lee and Wellbrock demonstrated QKD, placing both the quantum channel and one classical channel into the C-band with a separation of down to 400 GHz equivalent to 3.2 nm [5]. We note that the classical channel was neither linked to the QKD system operation nor used for encrypted communication.…”
Section: Introductionmentioning
confidence: 87%
“…The impact of a single classical C-band channel, wavelength multiplexed with a quantum channel at 1310 nm, was analysed. Later, in 2005, Lee and Wellbrock demonstrated QKD, placing both the quantum channel and one classical channel into the C-band with a separation of down to 400 GHz equivalent to 3.2 nm [5]. We note that the classical channel was neither linked to the QKD system operation nor used for encrypted communication.…”
Section: Introductionmentioning
confidence: 87%
“…[17][18][19][20][21] Despite these advances, further studies are required to establish the true potential of QKD in DWDM 10 Gb/s networks.…”
Section: Quantum Key Distribution (Qkd)mentioning
confidence: 99%
“…Townsend y su grupo fueron los primeros en probar estos sistemas sobre un rollo de fibra óptica de 10 km [18,19] que más tarde fue mejorada gracias a la inserción de un divisor de polarización en Bob [20] y con otras técnicas que permitieron aumentar la tasa de trasmisión [21]. Hughes y su equipo también han realizado estudios de esta configuración hasta alcanzar una distancia de 48 km en canales de fibra óptica [22].…”
Section: Sistemas Con Codificación En Faseunclassified
“…Para obtener una expresión del QBER para nuestro sistema SCM-QKD se usa el método descrito en la referencia [18] …”
Section: Qberunclassified
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