Performance analysis of different multi-user optical passive networks for quantum cryptography applications

被引：1

作者：

Curtacci, P. ^{[1
]}

Garzia, F. ^{[1
]}

Cusani, R. ^{[1
]}

Baccarelli, E. ^{[1
]}

机构：

[1] Univ Roma La Sapienza, Dipartimento INFOCOM, I-00184 Rome, Italy

来源：

PHOTON MANAGEMENT II | 2006年 / 6187卷

关键词：

quantum cryptography; QKD; sifted key rate; QBER; b92; EPR; SSP;

D O I：

10.1117/12.662139

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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.

引用

页码：U320 / U331

页数：12

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