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Verifiable Blind Quantum Computing with Trapped Ions and Single Photons.
P. Drmota, D. P. Nadlinger, D. Main, B. Nichol, E. Ainley, D. Leichtle, A. Mantri, E. Kashefi, R. Srinivas, G. Araneda, C. Ballance, D. M. Lucas·May 4, 2023·DOI: 10.1103/PhysRevLett.132.150604
PhysicsMedicine
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Abstract
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 fiber-optic quantum link. The availability of memory qubits and deterministic entangling gates enables interactive protocols without postselection-key requirements for any scalable blind server, which previous realizations 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.