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Verifiable blind quantum computing with trapped ions and single photons

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arxiv 2305.02936 v3 pith:YEDFGYXI submitted 2023-05-04 quant-ph

P. Drmota , D. P. Nadlinger , D. Main , B. C. Nichol , E. M. Ainley , D. Leichtle , A. Mantri , E. Kashefi
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R. Srinivas G. Araneda C. J. Ballance D. M. Lucas
This is my paper
classification quant-ph
keywords quantumblindcomputingserververifiableavailabilitybitsclassical
verification ladder T0 review T1 audit T2 compute T3 formal
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We report the first hybrid matter-photon implementation of verifiable blind quantum computing. We use a trapped-ion quantum server and a client-side photonic detection system networked via a fibre-optic quantum link. The availability of memory qubits and deterministic entangling gates enables interactive protocols without post-selection - key requirements for any scalable blind server, which previous realisations could not provide. We quantify the privacy at <~0.03 leaked classical bits per qubit. This experiment demonstrates a path to fully verified quantum computing in the cloud.

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