22 February 2018 Dynamic topology resilience for quantum networks
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In quantum repeater networks, the varying stability of entangled quantum links makes dynamic topology resilience an emerging issue. Here we define an efficient topology adaption method for quantum repeater networks. The model assumes the random failures of entangled links and several parallel demands from legal users. The shortest path defines a set of entangled links for which the probability of stability is above a critical threshold. The scheme is utilized in a base-graph of the overlay quantum network to provide an efficient shortest path selection for the demands of all users of the network. We study the problem of entanglement assignment in a quantum repeater network, prove its computational complexity, and show an optimization procedure. The results are particularly convenient for future quantum networking, quantum-internet, and experimental long-distance quantum communications.
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L. Gyongyosi, L. Gyongyosi, S. Imre, S. Imre, } "Dynamic topology resilience for quantum networks", Proc. SPIE 10547, Advances in Photonics of Quantum Computing, Memory, and Communication XI, 105470Z (22 February 2018); doi: 10.1117/12.2288707; https://doi.org/10.1117/12.2288707

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