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2017 ; 7
(1
): 14255
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Entanglement-Gradient Routing for Quantum Networks
#MMPMID29079759
Gyongyosi L
; Imre S
Sci Rep
2017[Oct]; 7
(1
): 14255
PMID29079759
show ga
We define the entanglement-gradient routing scheme for quantum repeater networks.
The routing framework fuses the fundamentals of swarm intelligence and quantum
Shannon theory. Swarm intelligence provides nature-inspired solutions for problem
solving. Motivated by models of social insect behavior, the routing is performed
using parallel threads to determine the shortest path via the entanglement
gradient coefficient, which describes the feasibility of the entangled links and
paths of the network. The routing metrics are derived from the characteristics of
entanglement transmission and relevant measures of entanglement distribution in
quantum networks. The method allows a moderate complexity decentralized routing
in quantum repeater networks. The results can be applied in experimental quantum
networking, future quantum Internet, and long-distance quantum communications.