Scientific Results

Device-Independent Certification of High-Dimensional Quantum Systems

Year: 2014

Authors: D’Ambrosio V., Bisesto F., Sciarrino F., Barra J.F., Lima G., Cabello A

Autors Affiliation: Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy;
CNR, INO, I-50125 Florence, Italy;
Univ Concepcion, Dept Fis, MSI Nucleus Adv Opt, Ctr Opt & Photon, Concepcion, Chile;
Univ Seville, Dept Fis Aplicada 2, E-41012 Seville, Spain

Abstract: An important problem in quantum information processing is the certification of the dimension of quantum systems without making assumptions about the devices used to prepare and measure them, that is, in a device-independent manner. A crucial question is whether such certification is experimentally feasible for high-dimensional quantum systems. Here we experimentally witness in a device-independent manner the generation of six-dimensional quantum systems encoded in the orbital angular momentum of single photons and show that the same method can be scaled, at least, up to dimension 13.

Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 112 (14)      Pages from: 140503  to: 140503

More Information: The authors thank Antonio Acin for useful comments. This work was supported by Project No. FIS2011-29400 (MINECO, Spain) with FEDER funds, the FQXi large grant project \”The Nature of Information in Sequential Quantum Measurements,\” the Brazilian program Science without Borders, FIRB Futuro in Ricerca-HYTEQ, the Chillean Grants FONDECYT 1120067, Milenio P10-030-F, and PIA-CONICYT PFB0824, the ERC Advanced Grant QOLAPS, and Starting Grant 3D-QUEST (3D-Quantum Integrated Optical Simulation; Grant Agreement No. 307783). J. F. B. acknowledges the financial support of CONICYT.
DOI: 10.1103/PhysRevLett.112.140503

Citations: 28
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