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Decoy-state quantum key distribution with nonclassical light generated in a one-dimensional waveguide.
Abstract
We investigate a decoy-state quantum key distribution (QKD) scheme with a sub-Poissonian
single-photon source, which is generated on demand by scattering a coherent state
off a two-level system in a one-dimensional waveguide. We show that, compared to coherent
state decoy-state QKD, there is a two-fold increase of the key generation rate. Furthermore,
the performance is shown to be robust against both parameter variations and loss effects
of the system.
Type
Journal articlePermalink
https://hdl.handle.net/10161/26469Published Version (Please cite this version)
10.1364/ol.38.000622Publication Info
(2013). Decoy-state quantum key distribution with nonclassical light generated in a one-dimensional
waveguide. Optics letters, 38(5). pp. 622-624. 10.1364/ol.38.000622. Retrieved from https://hdl.handle.net/10161/26469.This is constructed from limited available data and may be imprecise. To cite this
article, please review & use the official citation provided by the journal.
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Show full item recordScholars@Duke
Harold U. Baranger
Professor of Physics
The broad focus of Prof. Baranger's group is quantum open systems at the nanoscale,
particularly the generation of correlation between particles in such systems. Fundamental
interest in nanophysics-- the physics of small, nanometer scale, bits of solid-- stems
from the ability to control and probe systems on length scales larger than atoms but
small enough that the averaging inherent in bulk properties has not yet occurred.
Using this ability, entirely unanticipated phenomena ca
Daniel J. Gauthier
Research Professor of Physics
Prof. Gauthier is interested in a broad range of topics in the fields of nonlinear
and quantum optics, and nonlinear dynamical systems.
In the area of optical physics, his group is studying the fundamental characteristics
of highly nonlinear light-matter interactions at both the classical and quantum levels
and is using this understanding to develop practical devices.
At the quantum level, his group has three major efforts in the area of quantum communication
and networking. I
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