High-speed quantum networking by ship
AuthorDevitt, SJ; Greentree, AD; Stephens, AM; Van Meter, R
Source TitleScientific Reports
PublisherNATURE PUBLISHING GROUP
University of Melbourne Author/sGreentree, Andrew
AffiliationSchool of Physics
Document TypeJournal Article
CitationsDevitt, S. J., Greentree, A. D., Stephens, A. M. & Van Meter, R. (2016). High-speed quantum networking by ship. SCIENTIFIC REPORTS, 6 (1), https://doi.org/10.1038/srep36163.
Access StatusOpen Access
Networked entanglement is an essential component for a plethora of quantum computation and communication protocols. Direct transmission of quantum signals over long distances is prevented by fibre attenuation and the no-cloning theorem, motivating the development of quantum repeaters, designed to purify entanglement, extending its range. Quantum repeaters have been demonstrated over short distances, but error-corrected, global repeater networks with high bandwidth require new technology. Here we show that error corrected quantum memories installed in cargo containers and carried by ship can provide a exible connection between local networks, enabling low-latency, high-fidelity quantum communication across global distances at higher bandwidths than previously proposed. With demonstrations of technology with sufficient fidelity to enable topological error-correction, implementation of the quantum memories is within reach, and bandwidth increases with improvements in fabrication. Our approach to quantum networking avoids technological restrictions of repeater deployment, providing an alternate path to a worldwide Quantum Internet.
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