Robust gigahertz fiber quantum key distribution

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Robust gigahertz fiber quantum key distribution

Clarke, Patrick J.; Collins, Robert J.; Hiskett, Philip A.; Townsend, Paul D.; Buller, Gerald S.
Date: 2011
Copyright: © 2011 American Institute of Physics.This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Clarke, P. J., Collins, R. J., Hiskett, P. A., Townsend, P. D. and Buller, G. S. (2011) 'Robust gigahertz fiber quantum key distribution', Applied Physics Letters, 98(13), pp. 131103 and may be found at http://aip.scitation.org/doi/abs/10.1063/1.3571561
Related: http://aip.scitation.org/doi/abs/10.1063/1.3571561
Citation: Clarke, P. J., Collins, R. J., Hiskett, P. A., Townsend, P. D. and Buller, G. S. (2011) 'Robust gigahertz fiber quantum key distribution', Applied Physics Letters, 98(13), pp. 131103. doi: 10.1063/1.3571561
Published Version: 10.1063/1.3571561

Abstract:

We present recent results on an innovative fiber based short wavelength gigahertz clock rate quantum key distribution system operating over a standard telecommunications optical fiber quantum channel. This system is designed to be robust against environmentally induced changes in the polarization evolution of the photons in the optical fiber quantum channel and against path-length drift in the interferometers which could otherwise compromise system performance. Experimental results are presented for error rate, net bit rate and stability for different silicon single-photon avalanche diode detector types. (C) 2011 American Institute of Physics. (doi: 10.1063/1.3571561)

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