Certification of quantum technologies

Project Information

CERQUTE

Grant agreement ID: 834266

DOI 10.3030/834266

EC signature date 26 April 2019

Start date 1 January 2020

End date 31 December 2024

Funded under

• EXCELLENT SCIENCE - European Research Council (ERC)

Total cost € 1 735 043,75

EU contribution € 1 735 043,75

Coordinated by

FUNDACIO INSTITUT DE CIENCIES FOTONIQUES
Spain

Publications

Peer reviewed articles (50)

Nonlocality for Generic Networks

Author(s): Marc-Olivier Renou and Salman Beigi
Published in: PHYSICAL REVIEW LETTERS, Issue 128, 2022, Page(s) 60401, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.128.060401

Modifying Method of Constructing Quantum Codes From Highly Entangled States

Author(s): Zahra Raissi
Published in: IEEE Access, Issue 8, 2020, Page(s) 222439-222448, ISSN 2169-3536
Publisher: Institute of Electrical and Electronics Engineers Inc.
DOI: 10.1109/access.2020.3043401

Device-Independent Certification of Genuinely Entangled Subspaces

Author(s): Flavio Baccari, Remigiusz Augusiak, Ivan Šupić, Antonio Acín
Published in: Physical Review Letters, Issue 125/26, 2020, Page(s) 260507, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.125.260507

Supersolid-superfluid phase separation in the extended Bose-Hubbard model

Author(s): Korbinian Kottmann; Andreas Haller; Andreas Haller; Antonio Acín; Grigory E. Astrakharchik; Maciej Lewenstein
Published in: Physical Review B, Issue 104, 2021, Page(s) 174514, ISSN 2469-9950
Publisher: APS
DOI: 10.1103/physrevb.104.174514

Quantum theory based on real numbers can be experimentally falsified

Author(s): Renou, M.-O., Trillo, D., Weilenmann, M., Le, T.P., Tavakoli, A., Gisin, N., Acín, A., Navascués, M.
Published in: Nature, Issue 600, 2021, ISSN 0028-0836
Publisher: Nature Publishing Group
DOI: 10.1038/s41586-021-04160-4

Variational quantum anomaly detection: Unsupervised mapping of phase diagrams on a physical quantum computer

Author(s): Kottmann, Korbinian; Metz, Friederike; Fraxanet, Joana; Baldelli, Niccolo
Published in: PHYSICAL REVIEW RESEARCH, Issue 3, 2021, Page(s) 43184, ISSN 2643-1564
Publisher: AMER PHYSICAL SOC
DOI: 10.1103/physrevresearch.3.043184

Entanglement preserving local thermalization

Author(s): Chung-Yun Hsieh, Matteo Lostaglio, Antonio Acín
Published in: Physical Review Research, Issue 2/1, 2020, Page(s) 13379, ISSN 2643-1564
Publisher: AMER PHYSICAL SOC
DOI: 10.1103/physrevresearch.2.013379

Witnessing non-Markovian dynamics through correlations

Author(s): Dario De Santis, Markus Johansson, Bogna Bylicka, Nadja K. Bernardes, Antonio Acín
Published in: Physical Review A, Issue 102/1, 2020, Page(s) 12214, ISSN 2469-9926
Publisher: AMER PHYSICAL SOC
DOI: 10.1103/physreva.102.012214

Quantum Inflation: A General Approach to Quantum Causal Compatibility

Author(s): Elie Wolfe, Alejandro Pozas-Kerstjens, Matan Grinberg, Denis Rosset, Antonio Acín, Miguel Navascués
Published in: Physical Review X, Issue 11/2, 2021, Page(s) 21043, ISSN 2160-3308
Publisher: American Physical Society
DOI: 10.1103/physrevx.11.021043

Network nonlocality via rigidity of token counting and color matching

Author(s): Marc-Olivier Renou and Salman Beigi
Published in: PHYSICAL REVIEW A, Issue 105, 2022, Page(s) 22408, ISSN 2469-9926
Publisher: American Physical Society
DOI: 10.1103/physreva.105.022408

Characterising and bounding the set of quantum behaviours in contextuality scenarios

Author(s): Chaturvedi, A., Farkas, M., Wright, V.J.
Published in: Quantum, Issue 5, 2021, Page(s) 484, ISSN 2521-327X
Publisher: Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften
DOI: 10.22331/q-2021-06-29-484

Quantum channel marginal problem

Author(s): Chung-Yun Hsieh, Matteo Lostaglio, and Antonio Acín
Published in: PHYSICAL REVIEW RESEARCH, Issue 4, 2022, Page(s) 13249, ISSN 2643-1564
Publisher: American Physical Society
DOI: 10.1103/physrevresearch.4.013249

Self-Testing Mutually Unbiased Bases in Higher Dimensions with Space-Division Multiplexing Optical Fiber Technology

Author(s): Máté Farkas, Nayda Guerrero, Jaime Cariñe, Gustavo Cañas, Gustavo Lima
Published in: Physical Review Applied, Issue 15/1, 2021, Page(s) 14028, ISSN 2331-7019
Publisher: AMER PHYSICAL SOC
DOI: 10.1103/physrevapplied.15.014028

Locality of temperature and correlations in the presence of non-zero-temperature phase transitions

Author(s): Senaida Hernández-Santana, András Molnár, Christian Gogolin, J Ignacio Cirac, Antonio Acín
Published in: NEW JOURNAL OF PHYSICS, Issue 23, 2021, Page(s) 73052, ISSN 1367-2630
Publisher: Institute of Physics Publishing
DOI: 10.1088/1367-2630/ac14a9

Entanglement-assisted, noise-assisted, and monitoring-enhanced quantum bath tagging

Author(s): Farina, Donato; Cavina, Vasco; Genoni, Marco G.; Giovannetti, Vittorio
Published in: PHYSICAL REVIEW A, Issue 106, 2022, Page(s) 42609, ISSN 1367-2630
Publisher: Institute of Physics Publishing
DOI: 10.1103/physreva.106.042609

Any Physical Theory of Nature Must Be Boundlessly Multipartite Nonlocal

Author(s): Xavier Coiteux-Roy, Elie Wolfe, Marc-Olivier Renou
Published in: PHYSICAL REVIEW A, Issue 104, 2022, Page(s) 52207, ISSN 2469-9926
Publisher: American Physical Society
DOI: 10.1103/physreva.104.052207

Device-independent certification of tensor products of quantum states using single-copy self-testing protocols

Author(s): Ivan Šupić, Daniel Cavalcanti, Joseph Bowles
Published in: Quantum, Issue 5, 2021, Page(s) 418, ISSN 2521-327X
Publisher: VEREIN FORDERUNG OPEN ACCESS PUBLIZIERENS QUANTENWISSENSCHAF
DOI: 10.22331/q-2021-03-23-418

No Bipartite-Nonlocal Causal Theory Can Explain Nature's Correlations

Author(s): Xavier Coiteux-Roy, Elie Wolfe, Marc-Olivier Renou
Published in: PHYSICAL REVIEW LETTERS, Issue 127, 2021, Page(s) 60401, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.127.200401

Thermometry of Gaussian quantum systems using Gaussian measurements

Author(s): Marina F.B. Cenni, Ludovico Lami, Antonio Acin, Mohammad Mehboudi
Published in: QUANTUM, Issue 6, 2022, Page(s) 743, ISSN 2521-327X
Publisher: Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften
DOI: 10.22331/q-2022-06-23-743

High-speed batch processing of semidefinite programs with feedforward neural networks

Author(s): Krivachy, Tamas; Cai, Yu; Bowles, Joseph; Cavalcanti, Daniel; Brunner, Nicolas
Published in: NEW JOURNAL OF PHYSICS, Issue 23, 2021, Page(s) 103034, ISSN 1367-2630
Publisher: Institute of Physics Publishing
DOI: 10.1088/1367-2630/ac2d72

Bell Nonlocality Is Not Sufficient for the Security of Standard Device-Independent Quantum Key Distribution Protocols

Author(s): Máté Farkas, Maria Balanzó-Juandó, Karol Łukanowski, Jan Kołodyński, and Antonio Acín
Published in: Physical Review Letters, Issue 127, 2021, Page(s) 50503, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.127.050503

Complete classification of steerability under local filters and its relation with measurement incompatibility

Author(s): Ku, Huan-Yu; Hsieh, Chung-Yun; Chen, Shin-Liang; Chen, Yueh-Nan; Budroni, Costantino
Published in: NATURE COMMUNICATIONS, Issue 13, 2022, Page(s) 4973, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-022-32466-y

Verification of joint measurability using phase-space quasiprobability distributions+

Author(s): Saleh Rahimi-Keshari, Mohammad Mehboudi, Dario De Santis, Daniel Cavalcanti, and Antonio Acín
Published in: PHYSICAL REVIEW A, Issue 104, 2021, Page(s) 42212, ISSN 2469-9926
Publisher: American Physical Society
DOI: 10.1103/physreva.104.042212

Stochastic local operations with classical communication of absolutely maximally entangled states

Author(s): Adam Burchardt, Zahra Raissi
Published in: Physical Review A, Issue 102/2, 2020, Page(s) 22413, ISSN 2469-9926
Publisher: AMER PHYSICAL SOC
DOI: 10.1103/physreva.102.022413

Testing Real Quantum Theory in an Optical Quantum Network

Author(s): Zheng-Da Li, Ya-Li Mao, Mirjam Weilenmann, Armin Tavakoli, Hu Chen, Lixin Feng, Sheng-Jun Yang, Marc-Olivier Renou, David Trillo, Thinh P. Le, Nicolas Gisin, Antonio Acín, Miguel Navascués, Zizhu Wang (王子竹), and Jingyun Fan
Published in: PHYSICAL REVIEW LETTERS, Issue 128, 2022, Page(s) 170603, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.128.040402

Verifying the output of quantum optimizers with ground-state energy lower bounds

Author(s): Flavio Baccari, Christian Gogolin, Peter Wittek, Antonio Acín
Published in: Physical Review Research, Issue 2/4, 2020, Page(s) 43163, ISSN 2643-1564
Publisher: AMER PHYSICAL SOC
DOI: 10.1103/physrevresearch.2.043163

Unsupervised Phase Discovery with Deep Anomaly Detection

Author(s): Korbinian Kottmann, Patrick Huembeli, Maciej Lewenstein, Antonio Acín
Published in: Physical Review Letters, Issue 125/17, 2020, Page(s) 170603, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.125.170603

Measurement-Device-Independent Entanglement Detection for Continuous-Variable Systems

Author(s): Paolo Abiuso, Stefan Bäuml, Daniel Cavalcanti, Antonio Acín
Published in: Physical Review Letters, Issue 126/19, 2021, Page(s) 190502, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.126.190502

Self-testing and certification using trusted quantum inputs

Author(s): Ivan Šupić, Matty J Hoban, Laia Domingo Colomer, Antonio Acín
Published in: New Journal of Physics, Issue 22/7, 2020, Page(s) 073006, ISSN 1367-2630
Publisher: Institute of Physics Publishing
DOI: 10.1088/1367-2630/ab90d1

Connector Tensor Networks: A Renormalization-Type Approach to Quantum Certification

Author(s): Miguel Navascués, Sukhbinder Singh, Antonio Acín
Published in: Physical Review X, Issue 10/2, 2020, Page(s) 21064, ISSN 2160-3308
Publisher: American Physical Society
DOI: 10.1103/physrevx.10.021064

Quadratic Unconstrained Binary Optimization via Quantum-Inspired Annealing

Author(s): Bowles, Joseph; Dauphin, Alexandre; Huembeli, Patrick; Martinez, Jose; Acin, Antonio
Published in: PHYSICAL REVIEW APPLIED, Issue 18, 2022, Page(s) 34016, ISSN 2331-7019
Publisher: APS
DOI: 10.1103/physrevapplied.18.034016

Constructions of k -uniform and absolutely maximally entangled states beyond maximum distance codes

Author(s): Zahra Raissi, Adam Teixidó, Christian Gogolin, Antonio Acín
Published in: Physical Review Research, Issue 2/3, 2020, Page(s) 33411, ISSN 2643-1564
Publisher: AMER PHYSICAL SOC
DOI: 10.1103/physrevresearch.2.033411

Entanglement marginal problems

Author(s): Navascués, M., Baccari, F., Acín, A.
Published in: Quantum, Issue 5, 2021, Page(s) 589, ISSN 2521-327X
Publisher: Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften
DOI: 10.22331/q-2021-11-25-589

Unsupervised mapping of phase diagrams of 2D systems from infinite projected entangled-pair states via deep anomaly detection

Author(s): Korbinian Kottmann, Philippe Corboz, Maciej Lewenstein, Antonio Acín
Published in: Scipost, Issue 11, 2021, Page(s) 25, ISSN 2542-4653
Publisher: SciPost Foundation
DOI: 10.21468/scipostphys.11.2.025

Device-independent quantum key distribution with single-photon sources

Author(s): Jan Kołodyński, Alejandro Máttar, Paul Skrzypczyk, Erik Woodhead, Daniel Cavalcanti, Konrad Banaszek, Antonio Acín
Published in: Quantum, Issue 4, 2020, Page(s) 260, ISSN 2521-327X
Publisher: VEREIN FORDERUNG OPEN ACCESS PUBLIZIERENS QUANTENWISSENSCHAF
DOI: 10.22331/q-2020-04-30-260

Device-independent quantum key distribution with asymmetric CHSH inequalities

Author(s): Erik Woodhead, Antonio Acín, Stefano Pironio
Published in: Quantum, Issue 5, 2021, Page(s) 443, ISSN 2521-327X
Publisher: VEREIN FORDERUNG OPEN ACCESS PUBLIZIERENS QUANTENWISSENSCHAF
DOI: 10.22331/q-2021-04-26-443

Bath-Induced Correlations Enhance Thermometry Precision at Low Temperatures

Author(s): Planella, G., Cenni, M.F.B., Acín, A., Mehboudi, M.
Published in: Physical Review Letters, Issue 128, 2022, Page(s) 40502, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.128.040502

Unveiling Quantum Entanglement in Many-Body Systems from Partial Information

Author(s): Frérot, I., Baccari, F., Acín, A.
Published in: PRX Quantum, Issue 3, 2022, Page(s) 10342, ISSN 2691-3399
Publisher: APS
DOI: 10.1103/prxquantum.3.010342

Local and scalable detection of genuine multipartite single-photon path entanglement 

Author(s): Patrik Caspar, Enky Oudot, Pavel Sekatski, Nicolas Maring, Anthony Martin, Nicolas Sangouard, Hugo Zbinden, Rob Thew
Published in: QUANTUM, Issue 6, 2022, Page(s) 671, ISSN 2521-327X
Publisher: VEREIN FORDERUNG OPEN ACCESS PUBLIZIERENS QUANTENWISSENSCHAF
DOI: 10.22331/q-2022-03-22-671

Satellite-Based Photonic Quantum Networks Are Small-World

Author(s): Brito, Samurai; Canabarro, Askery; Cavalcanti, Daniel; Chaves, Rafael
Published in: PRX QUANTUM, Issue 2, 2021, Page(s) 10304, ISSN 2691-3399
Publisher: APS
DOI: 10.1103/prxquantum.2.010304

Mutually unbiased bases and symmetric informationally complete measurements in Bell experiments

Author(s): Armin Tavakoli, Máté Farkas, Denis Rosset, Jean-Daniel Bancal, Jedrzej Kaniewski
Published in: Science Advances, Issue 7/7, 2021, Page(s) eabc3847, ISSN 2375-2548
Publisher: AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/sciadv.abc3847

Coarse-Grained Self-Testing

Author(s): Irénée Frérot, Antonio Acín
Published in: Physical Review Letters, Issue 127, 2021, Page(s) 240401, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.127.240401

Quantum technologies in space

Author(s): Rainer Kaltenbaek, Antonio Acin, Laszlo Bacsardi, Paolo Bianco, Philippe Bouyer, Eleni Diamanti, Christoph Marquardt, Yasser Omar, Valerio Pruneri, Ernst Rasel, Bernhard Sang, Stephan Seidel, Hendrik Ulbricht, Rupert Ursin, Paolo Villoresi, Mathias van den Bossche, Wolf von Klitzing, Hugo Zbinden, Mauro Paternostro, Angelo Bassi
Published in: Experimental Astronomy, 2021, ISSN 0922-6435
Publisher: Kluwer Academic Publishers
DOI: 10.1007/s10686-021-09731-x

Experimental Demonstration that No Tripartite-Nonlocal Causal Theory Explains Nature's Correlations

Author(s): Cao, Huan; Renou, Marc-Olivier; Zhang, Chao; Masse, Gael; Coiteux-Roy, Xavier; Liu, Bi-Heng; Huang, Yun-Feng; Li, Chuan-Feng; Guo, Guang-Can; Wolfe, Elie
Published in: PHYSICAL REVIEW LETTERS, Issue 129, 2022, Page(s) 150402, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.129.150402

Maximal randomness from partially entangled states

Author(s): Erik Woodhead, Jędrzej Kaniewski, Boris Bourdoncle, Alexia Salavrakos, Joseph Bowles, Antonio Acín, Remigiusz Augusiak
Published in: Physical Review Research, Issue 2/4, 2020, Page(s) 42028, ISSN 2643-1564
Publisher: AMER PHYSICAL SOC
DOI: 10.1103/physrevresearch.2.042028

Experimental Robust Self-Testing of the State Generated by a Quantum Network

Author(s): Agresti, I., Polacchi, B., Poderini, D., Polino, E., Suprano, A., Šupić, I., Bowles, J., Carvacho, G., Cavalcanti, D., Sciarrino, F.
Published in: PRX Quantum, Issue 2, 2021, Page(s) 20346, ISSN 2691-3399
Publisher: APS
DOI: 10.1103/prxquantum.2.020346

Efficient training of energy-based models via spin-glass control

Author(s): Alejandro Pozas-Kerstjens, Gorka Muñoz-Gil, Eloy Piñol, Miguel Ángel García-March, Antonio Acín, Maciej Lewenstein, Przemysław R Grzybowski
Published in: Machine Learning: Science and Technology, Issue 2/2, 2021, Page(s) 025026, ISSN 2632-2153
Publisher: IOP PUBLISHING LTD
DOI: 10.1088/2632-2153/abe807

Semi-device-independent random number generation with flexible assumptions

Author(s): Matej Pivoluska, Martin Plesch, Máté Farkas, Natália Ružičková, Clara Flegel, Natalia Herrera Valencia, Will McCutcheon, Mehul Malik, Edgar A. Aguilar
Published in: npj Quantum Information, Issue 7/1, 2021, Page(s) 50, ISSN 2056-6387
Publisher: NATURE RESEARCH
DOI: 10.1038/s41534-021-00387-1

Single-photon nonlocality in quantum networks

Author(s): Abiuso, P., Kriváchy, T., Boghiu, E.-C., Renou, M.-O., Pozas-Kerstjens, A., Acín, A.
Published in: Physical Review Research, Issue 4, 2022, Page(s) A200, ISSN 2643-1564
Publisher: APS
DOI: 10.1103/physrevresearch.4.l012041

Covariance Decomposition as a Universal Limit on Correlations in Networks

Author(s): Salman Beigi, Marc-Olivier Renou
Published in: IEEE Transactions on Information Theory, Issue 68, 2021, Page(s) 384 - 394, ISSN 0018-9448
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tit.2021.3119651

Other (1)

Bell nonlocality in networks

Author(s): Armin Tavakoli, Alejandro Pozas-Kerstjens, Ming-Xing Luo, Marc-Olivier Renou
Published in: Reports on Progress in Physics, Issue 28, 2022, Page(s) 85
Publisher: IOP PUBLISHING LTD
DOI: 10.1088/1361-6633/ac41bb