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Proceedings Paper

Performance analysis of different multi-user optical passive networks for quantum cryptography applications
Author(s): P. Curtacci; F. Garzia; R. Cusani; E. Baccarelli
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Paper Abstract

The performance of four passive optical network topologies in implementing multi-user quantum key distribution is compared, using 3 protocols proposed by quantum cryptography (B92, EPR, SSP). The networks considered are the passive-star network, the optical-ring network based on the Sagnac interferometer, the wavelength-routed network, and the wavelength-addressed bus network . An analysis of the quantum bit-error rate and sifted key rate for each of these topologies is used to determine their suitability for providing quantum key distribution-service to networks of various sizes. The efficiency of the three considered protocols is also determinated.

Paper Details

Date Published: 25 April 2006
PDF: 12 pages
Proc. SPIE 6187, Photon Management II, 61870U (25 April 2006);
Show Author Affiliations
P. Curtacci, Univ. degli Studi di Roma La Sapienza (Italy)
F. Garzia, Univ. degli Studi di Roma La Sapienza (Italy)
R. Cusani, Univ. degli Studi di Roma La Sapienza (Italy)
E. Baccarelli, Univ. degli Studi di Roma La Sapienza (Italy)

Published in SPIE Proceedings Vol. 6187:
Photon Management II
John T. Sheridan; Frank Wyrowski, Editor(s)

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