Gigahertz quantum cryptography

Gerald S. Buller; Robert J. Collins; Patrick J. Clarke; Paul D. Townsend

doi:10.1117/12.888242

18 February 2011 Gigahertz quantum cryptography

Gerald S. Buller, Robert J. Collins, Patrick J. Clarke, Paul D. Townsend

Proceedings Volume 7988, Optical Transmission Systems, Switching, and Subsystems VIII; 79881R (2011) https://doi.org/10.1117/12.888242
Event: Asia Communications and Photonics Conference and Exhibition, 2010, Shanghai, Shanghai, China

Abstract

This paper describes progress in gigahertz-clocked quantum key distribution systems. It details current advances in both point-to-point and network applications. We will discuss possibilities for practical quantum key distribution using single-photon sources, and discuss the experimental system performance of GHz-clocked quantum key distribution systems focusing on issues of quantum bit error rate, net bit rate and transmission distance with different detector structures, concentrating on single-photon avalanche diode detectors, but also examining superconducting nanowire-based structures. The quantum key distribution system is designed to be environmentally robust and an examination of long-term system operation will be presented.

Citation Download Citation

Gerald S. Buller, Robert J. Collins, Patrick J. Clarke, and Paul D. Townsend "Gigahertz quantum cryptography", Proc. SPIE 7988, Optical Transmission Systems, Switching, and Subsystems VIII, 79881R (18 February 2011); https://doi.org/10.1117/12.888242

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