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Adaptive routing for quantum memory failures in the quantum Internet

Adaptive routing for quantum memory failures in the quantum Internet
Adaptive routing for quantum memory failures in the quantum Internet

We define an adaptive routing method for the management of quantum memory failures in the quantum Internet. In the quantum Internet, the entangled quantum states are stored in the local quantum memories of the quantum nodes. A quantum memory failure in a particular quantum node can destroy several entangled connections in the entangled network. A quantum memory failure event makes the immediate and efficient determination of shortest replacement paths an emerging issue in a quantum Internet scenario. The replacement paths omit those nodes that are affected by the quantum memory failure to provide a seamless network transmission. In the proposed solution, the shortest paths are determined by a base-graph, which contains all information about the overlay quantum network. The method provides efficient adaptive routing in quantum memory failure scenarios of the quantum Internet. The results can be straightforwardly applied in practical quantum networks, including long-distance quantum communications.

Quantum entanglement, Quantum Internet, Quantum networking, Quantum repeaters
1570-0755
Gyongyosi, Laszlo
bbfffd90-dfa2-4a08-b5f9-98376b8d6803
Imre, Sandor
2def242c-1cb7-4b12-8a16-351a5a36e041
Gyongyosi, Laszlo
bbfffd90-dfa2-4a08-b5f9-98376b8d6803
Imre, Sandor
2def242c-1cb7-4b12-8a16-351a5a36e041

Gyongyosi, Laszlo and Imre, Sandor (2019) Adaptive routing for quantum memory failures in the quantum Internet. Quantum Information Processing, 18 (2). (doi:10.1007/s11128-018-2153-x).

Record type: Article

Abstract

We define an adaptive routing method for the management of quantum memory failures in the quantum Internet. In the quantum Internet, the entangled quantum states are stored in the local quantum memories of the quantum nodes. A quantum memory failure in a particular quantum node can destroy several entangled connections in the entangled network. A quantum memory failure event makes the immediate and efficient determination of shortest replacement paths an emerging issue in a quantum Internet scenario. The replacement paths omit those nodes that are affected by the quantum memory failure to provide a seamless network transmission. In the proposed solution, the shortest paths are determined by a base-graph, which contains all information about the overlay quantum network. The method provides efficient adaptive routing in quantum memory failure scenarios of the quantum Internet. The results can be straightforwardly applied in practical quantum networks, including long-distance quantum communications.

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More information

Accepted/In Press date: 13 December 2018
e-pub ahead of print date: 4 January 2019
Published date: 1 February 2019
Keywords: Quantum entanglement, Quantum Internet, Quantum networking, Quantum repeaters

Identifiers

Local EPrints ID: 427461
URI: https://eprints.soton.ac.uk/id/eprint/427461
ISSN: 1570-0755
PURE UUID: 233439ff-3a0d-4db3-a3e5-586378e9a1da

Catalogue record

Date deposited: 17 Jan 2019 17:30
Last modified: 17 Jan 2019 17:30

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Contributors

Author: Laszlo Gyongyosi
Author: Sandor Imre

University divisions

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