Abstract

An improved quantum key distribution test system operating at clock rates of up to 2GHz using a specially adapted commercially-available silicon single-photon counting module is presented. The use of an enhanced detector has improved the fiber-based quantum key distribution test system performance in terms of transmission distance and quantum bit error rate.

© 2004 Optical Society of America

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Appl. Phys. (1)

C. Gobby, Z. L. Yuan and A. J. Shields, �??Quantum key distribution over 122 km of standard telecom fiber,�?? Appl. Phys. 84, 3762-3764 (2004).

Electron. Lett. (1)

M. Ghioni, S. D. Cova, A. Lacaita and G. Ripamonti, �??New silicon epitaxial avalanche diode for single-photon timing at room temperature,�?? Electron. Lett. 24, 1476-1477 (1988).
[CrossRef]

IEEE J. Quantum Electron. (1)

K. J. Gordon, V. Fernandez, P. D. Townsend and G. S. Buller, �??A short wavelength gigahertz clocked fiberoptic quantum key distribution system,�?? IEEE J. Quantum Electron. 40, 900-908 (2004).
[CrossRef]

IEEE Trans. Electron. Devices (1)

A. Spinelli, A. L. Lacaita, "Physics and Numerical Simulation of Single Photon Avalanche Diodes," IEEE Trans. Electron. Devices 44, 1931-1943 (1997).
[CrossRef]

Intl. Conf. Comp. Sys. and Signal Proc. (1)

C. H. Bennett and G. Brassard, �??Quantum cryptography: Public key distribution and coin tossing,�?? in Proc. Of IEEE Inter. Conf. on Computer Systems and Signal Processing, Bangalore, Kartarna, (Institute of Electrical and Electronics Engineers, New York, 1984), 175-179.

J. Mod. Phys. (1)

J. G. Rarity, P. R. Tapster and P. M. Gorman, �??Practical free-space quantum key distribution over 10km in daylight and at night,�?? J. Mod. Phys. 48, 1887-1901 (2001).

Nature (1)

C. Kurtsiefer, P. Zarda, M. Halder, H. Weinfurter, P. M. Gorman, P. R. Tapster and J. G. Rarity, �??A step towards global key distribution,�?? Nature 419, 450-450 (2002).

New J. Phys. (1)

D. Stucki, N. Gisin, O. Guinnard, G. Ribordy and H. Zbinden, �??Quantum key distribution over 67 km with a plug & play system,�?? New J. Phys. 4, 41.1-41.8 (2002).

Opt. Express (1)

Photon. Technol. Lett. (1)

P. D. Townsend, �??Experimental investigation of the perfromance limits for first telecommunications-window quantum cryptography systems,�?? Photon. Technol. Lett. 10, 1048-1050 (1998).
[CrossRef]

Phys. Rev. Lett. (3)

C.H. Bennett, �??Quantum Cryptography Using Any Two Nonorthogonal States,�?? Phys. Rev. Lett. 68, 3121-3124 (1992).
[CrossRef]

P.W. Shor and J. Preskill, �??Simple Proof of Security of the BB84 Quantum Key Distribution Protocol,�?? Phys. Rev. Lett. 85, 441-444 (2000).
[CrossRef]

G. Brassard, N. Lütkenhaus, T. Mor and B. C. Sanders, �??Limitations on practical quantum cryptography,�?? Phys. Rev. Lett. 85, 1330-1333 (2000).
[CrossRef]

Rev. Sci. Instrum. (1)

I. Rech, I. Labanca, M. Ghioni, S. Cova, �??Circuit for improving the photon-timing performance of Single-Photon Counting Modules,�?? (submitted to) Rev. Sci. Instrum.

SIAM J. Comp (1)

C. H. Bennett, G. Brassard, J. M. Robert, �??Privacy amplification by public discussion,�?? SIAM J. Comp, 17, 210-229 (1988).

Other (1)

S. D. Cova, M. Ghioni, F. Zappa, �??Circuit for high precision detection of the time of arrival of photons falling on single photon avalanche diodes,�?? US pat. 6,384,663 B2, May 7, 2002; (prior. 9 March 2000).

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