Non-Poissonian statistics from Poissonian light sources with application to passive decoy state quantum key distribution
Optics Letters, Vol. 34, Issue 20, pp. 3238-3240 (2009)
http://dx.doi.org/10.1364/OL.34.003238
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Abstract
We propose a method to prepare different non-Poissonian signal pulses from sources of Poissonian photon number distribution, using only linear optical elements and threshold photon detectors. This method allows a simple passive preparation of decoy states for quantum key distribution. We show that the resulting key rates are comparable with the performance of active choices of intensities of Poissonian signals.
© 2009 Optical Society of America
OCIS Codes
(270.5290) Quantum optics : Photon statistics
(270.5565) Quantum optics : Quantum communications
(270.5568) Quantum optics : Quantum cryptography
ToC Category:
Quantum Optics
History
Original Manuscript: July 7, 2009
Manuscript Accepted: August 9, 2009
Published: October 15, 2009
Citation
Marcos Curty, Tobias Moroder, Xiongfeng Ma, and Norbert Lütkenhaus, "Non-Poissonian statistics from Poissonian light sources with application to passive decoy state quantum key distribution," Opt. Lett. 34, 3238-3240 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-20-3238
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