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Proceedings Paper

Towards high-rate quantum key distribution using quantum frames
Author(s): Xiaofan Mo; Itzel Lucio Martinez; Philip Chan; Steve Hosier; Wolfgang Tittel
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Paper Abstract

We experimentally investigate a highly integrated, polarization qubit based quantum key distribution system over a real-world, 12.4 km fiber link. Our system implements quantum frames, i.e. alternating sequences of high intensity optical pulses (classical data) and faint ones (qubits or quantum data). The classical data enables compensation of time-varying birefringence in the fiber link, and will facilitate synchronization, time tagging, and allow extending point-to-point quantum key distribution systems to networks. Our system can be clocked at 980 MHz, and has demonstrated good stability over 37 hours operation. We also discuss high rate error correction using a low-density parity-check code.

Paper Details

Date Published: 30 August 2010
PDF: 9 pages
Proc. SPIE 7815, Quantum Communications and Quantum Imaging VIII, 78150O (30 August 2010); doi: 10.1117/12.860713
Show Author Affiliations
Xiaofan Mo, Univ. of Calgary (Canada)
Itzel Lucio Martinez, Univ. of Calgary (Canada)
Philip Chan, Univ. of Calgary (Canada)
Steve Hosier, SAIT Polytechnic (Canada)
Wolfgang Tittel, Univ. of Calgary (Canada)

Published in SPIE Proceedings Vol. 7815:
Quantum Communications and Quantum Imaging VIII
Ronald E. Meyers; Yanhua Shih; Keith S. Deacon, Editor(s)

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