European infrastructure for Rydberg Quantum Computing

Project Information

EuRyQa

Grant agreement ID: 101070144

DOI

10.3030/101070144

Project closed

EC signature date 19 August 2022

Start date 1 October 2022

End date 31 March 2026

Funded under

• Digital, Industry and Space

Total cost

€ 4 970 860,00

EU contribution

€ 4 970 860,00

Coordinated by

UNIVERSITE DE STRASBOURG
France

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Deliverables

Data Management Plan (1)

Data Management Plan

Development of a Data Management Plan

Websites, patent fillings, videos etc. (2)

Audio-visual material

Audio-visual material will include an animated video to explain key features and results of the project.

Public project website

The website will inform the public about the project’s aims, updates and results. The website will be continuously updated throughout the project’s lifetime. Links to social media will be implemented as well.

Publications

Peer reviewed articles (37)

Multi-qubit gates and Schrödinger cat states in an optical clock

Author(s): Alec Cao, William J. Eckner, Theodor Lukin Yelin, Aaron W. Young, Sven Jandura, Lingfeng Yan, Kyungtae Kim, Guido Pupillo, Jun Ye, Nelson Darkwah Oppong, Adam M. Kaufman
Published in: Nature, Issue 634, 2024, ISSN 0028-0836
Publisher: Springer Science and Business Media LLC
DOI: 10.1038/S41586-024-07913-Z

Measurement-free, scalable, and fault-tolerant universal quantum computing

Author(s): Friederike Butt, David F. Locher, Katharina Brechtelsbauer, Hans Peter Büchler, Markus Müller
Published in: Science Advances, Issue 11, 2025, ISSN 2375-2548
Publisher: American Association for the Advancement of Science (AAAS)
DOI: 10.1126/SCIADV.ADV2590

Measurement-Free Quantum Error Correction Optimized for Biased Noise

Author(s): Katharina Brechtelsbauer, Friederike Butt, David F. Locher, Santiago Higuera Quintero, Sebastian Weber, Markus Müller, Hans Peter Büchler
Published in: PRX Quantum, Issue 6, 2025, ISSN 2691-3399
Publisher: American Physical Society (APS)
DOI: 10.1103/WSNF-PRWL

Journal of Statistical Mechanics: Theory and Experiment

Author(s): Varazdat Stepanyan, Andreas F. Tzortzakakis, David Petrosyan, Armen E. Allahverdyan
Published in: Journal of Statistical Mechanics: Theory and Experiment, Issue V.2024, 033202, 2024, ISSN 1742-5468
Publisher: Institute of Physics
DOI: 10.1088/1742-5468/ad2679/pdf

High-fidelity gates with mid-circuit erasure conversion in a metastable neutral atom qubit

Author(s): Ma, Shuo; Liu, Genyue; Peng, Pai; Zhang, Bichen; Jandura, Sven; Claes, Jahan; Burgers, Alex P.; Pupillo, Guido; Puri, Shruti; Thompson, Jeff D.
Published in: Nature, Issue 622, 2023, ISSN 1476-4687
Publisher: Nature Portfolio (subsidiary of Springer Nature) (United Kingdom)
DOI: 10.48550/arxiv.2305.05493

Bose-Hubbard Model with Power-Law Hopping in One Dimension

Author(s): Tanul Gupta, Nikolay V. Prokof’ev, Guido Pupillo
Published in: Physical Review Letters, Issue 136, 2026, ISSN 0031-9007
Publisher: American Physical Society (APS)
DOI: 10.1103/7DTX-2LCT

Entanglement-Enhanced Quantum Sensing via Optimal Global Control with Neutral Atoms in a Cavity

Author(s): Vineesha Srivastava, Sven Jandura, Gavin K. Brennen, Guido Pupillo
Published in: Physical Review Letters, Issue 136, 2026, ISSN 0031-9007
Publisher: American Physical Society (APS)
DOI: 10.1103/K3BB-YFDV

High-rate quantum LDPC codes for long-range-connected neutral atom registers

Author(s): Laura Pecorari, Sven Jandura, Gavin K. Brennen, Guido Pupillo
Published in: Nature Communications, Issue 16, 2025, ISSN 2041-1723
Publisher: Springer Science and Business Media LLC
DOI: 10.1038/S41467-025-56255-5

iSWAP gate with polar molecules: Robustness criteria for entangling operations

Author(s): Matteo Bergonzoni, Sven Jandura, Guido Pupillo
Published in: Physical Review A, Issue 112, 2025, ISSN 2469-9926
Publisher: American Physical Society (APS)
DOI: 10.1103/Q9SD-RFP6

Coherent interface between optical and microwave photons on an integrated superconducting atom chip

Author(s): D. Petrosyan, J. Fortágh, G. Kurizki
Published in: EPJ Quantum Technology, Issue V.11, 18, 2024, ISSN 2196-0763
Publisher: SpringerOpen
DOI: 10.1140/epjqt/s40507-024-00229-x

Quantum low-density parity-check codes for erasure-biased atomic quantum processors

Author(s): Laura Pecorari, Guido Pupillo
Published in: Physical Review A, Issue 112, 2025, ISSN 2469-9926
Publisher: American Physical Society (APS)
DOI: 10.1103/MGKT-CTV8

Low-Depth Quantum Error Correction via Three-Qubit Gates in Rydberg Atom Arrays

Author(s): Laura Pecorari, Sven Jandura, Guido Pupillo
Published in: Physical Review Letters, Issue 135, 2025, ISSN 0031-9007
Publisher: American Physical Society (APS)
DOI: 10.1103/YJ1M-WJ7F

Consensus-based qubit configuration optimization for variational algorithms on neutral atom quantum systems

Author(s): Robert J. P. T. de Keijzer, Luke Y. Visser, Oliver Tse, Servaas J. J. M. F. Kokkelmans
Published in: npj Quantum Information, Issue 11, 2025, ISSN 2056-6387
Publisher: Springer Science and Business Media LLC
DOI: 10.1038/S41534-025-01132-8

Scale-invariant phase transition of disordered bosons in one dimension

Author(s): Tanul Gupta, Guido Masella, Francesco Mattiotti, Nikolay V. Prokof'ev, Guido Pupillo
Published in: Physical Review B, Issue 111, 2025, ISSN 2469-9950
Publisher: American Physical Society (APS)
DOI: 10.1103/PHYSREVB.111.L020503

Quadrupole Coupling of Circular Rydberg Qubits to Inner Shell Excitations

Author(s): M. Wirth, C. Hölzl, A. Götzelmann, E. Pultinevicius, F. Meinert
Published in: Physical Review Letters, Issue 133, 2025, ISSN 0031-9007
Publisher: American Physical Society (APS)
DOI: 10.1103/PHYSREVLETT.133.123403

Cavity polariton blockade for non-local entangling gates with trapped atoms

Author(s): Vineesha Srivastava, Sven Jandura, Gavin K Brennen, Guido Pupillo
Published in: Quantum Science and Technology, Issue 10, 2025, ISSN 2058-9565
Publisher: IOP Publishing
DOI: 10.1088/2058-9565/ADFD79

Robust phase-controlled gates for scalable atomic quantum processors using optical standing waves

Author(s): Shannon Whitlock
Published in: Quantum, Issue 7, 941 (2023), 2023, ISSN 2521-327X
Publisher: Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften
DOI: 10.22331/q-2023-03-09-941

Compact arbitrary optical waveform modulator with digital feedback

Author(s): Shuzhe Yang, Guido Masella, Vase Moeini, Amar Bellahsene, Chang Li, Tom Bienaimé, Shannon Whitlock
Published in: Physical Review Applied, Issue 23, 2025, ISSN 2331-7019
Publisher: American Physical Society (APS)
DOI: 10.1103/PHYSREVAPPLIED.23.054009

Long-Lived Circular Rydberg Qubits of Alkaline-Earth Atoms in Optical Tweezers

Author(s): Hölzl, Christian; Götzelmann, Aaron; Pultinevicius, Einius; Wirth, Moritz; Meinert, Florian
Published in: Phys. Rev. X, Issue 14, 021024, 2024, ISSN 2160-3308
Publisher: American Physical Society
DOI: 10.1103/PhysRevX.14.021024

QuOCS: The quantum optimal control suite

Author(s): M. Rossignolo, T. Reisser, A. Marshall, P. Rembold, A. Pagano, P. J. Vetter, R. S. S., M. M Müller, F. Motzoi, T. Calarco, F. Jelezko, S. Montangero
Published in: Computer Physics Communication, Issue 108782 (291), 2023, ISSN 0010-4655
Publisher: Elsevier BV
DOI: 10.1016/J.CPC.2023.108782

Suppressing crosstalk for Rydberg quantum gates

Author(s): Gina Warttmann, Florian Meinert, Hans Peter Büchler, Sebastian Weber
Published in: Quantum, Issue 10, 2026, ISSN 2521-327X
Publisher: Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften
DOI: 10.22331/Q-2026-03-24-2045

Simulating the Fermi-Hubbard model with long-range hopping on a quantum computer

Author(s): Tatiana A. Bespalova, Karlo Delić, Guido Pupillo, Francesco Tacchino, Ivano Tavernelli
Published in: Physical Review A, Issue 111, 2025, ISSN 2469-9926
Publisher: American Physical Society (APS)
DOI: 10.1103/PHYSREVA.111.052619

Geometrical approach to logical qubit fidelities of neutral atom Calderbank–Shor–Steane codes

Author(s): Jasper J. Postema, Servaas J. J. M. F. Kokkelmans
Published in: Academia Quantum, Issue 2, 2025, ISSN 3064-979X
Publisher: Academia.edu Journals
DOI: 10.20935/ACADQUANT7467

Parametrized multiqubit gates for neutral-atom quantum platforms

Author(s): Madhav Mohan, Julius de Hond, Servaas Kokkelmans
Published in: Physical Review Applied, Issue 23, 2025, ISSN 2331-7019
Publisher: American Physical Society (APS)
DOI: 10.1103/PHYSREVAPPLIED.23.054074

Quantum Error Correction resilient against Atom Loss

Author(s): Hugo Perrin, Sven Jandura, Guido Pupillo
Published in: Quantum, Issue 9, 2025, ISSN 2521-327X
Publisher: Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften
DOI: 10.22331/Q-2025-10-13-1884

Comparative Benchmarking of Utility-Scale Quantum Emulators

Author(s): Anna Leonteva, Guido Masella, Maxime Outteryck, Asier Peiro Orioli, Shannon Whitlock
Published in: ACM Transactions on Quantum Computing, Issue 7, 2026, ISSN 2643-6809
Publisher: Association for Computing Machinery (ACM)
DOI: 10.1145/3776567

Pontryagin maximum principle for Rydberg-blockaded state-to-state transfers: A semianalytic approach

Author(s): Federico Astolfi, Sven Jandura, Guido Pupillo
Published in: Physical Review Research, Issue 8, 2026, ISSN 2643-1564
Publisher: American Physical Society (APS)
DOI: 10.1103/2W2V-HPST

Coherent Control of the Fine-Structure Qubit in a Single Alkaline-Earth Atom

Author(s): G. Unnikrishnan, P. Ilzhöfer, A. Scholz, C. Hölzl, A. Götzelmann, R. K. Gupta, J. Zhao, J. Krauter, S. Weber, N. Makki, H. P. Büchler, T. Pfau, and F. Meinert
Published in: Physical Review Letter, Issue 132, 150606, 2024, ISSN 1079-7114
Publisher: American Physical Society
DOI: 10.1103/PhysRevLett.132.150606

Qubit fidelity distribution under stochastic Schrödinger equations driven by classical noise

Author(s): R. J. P. T. de Keijzer, L. Y. Visser, O. Tse, S. J. J. M. F. Kokkelmans
Published in: Physical Review Research, Issue 7, 2025, ISSN 2643-1564
Publisher: American Physical Society (APS)
DOI: 10.1103/PHYSREVRESEARCH.7.023063

Pulse family optimization for parameterized quantum gates using spectral clustering

Author(s): Robert de Keijzer, Jurgen Snijders, André Carvalho, Servaas Kokkelmans
Published in: Academia Quantum, Issue 1, 2025, ISSN 3064-979X
Publisher: Academia.edu Journals
DOI: 10.20935/ACADQUANT7374

Solving quantum chemistry problems on quantum computers

Author(s): Klaus Liegener, Oliver Morsch, Guido Pupillo
Published in: Physics Today, Issue 77, 2025, ISSN 0031-9228
Publisher: AIP Publishing
DOI: 10.1063/PT.QOYS.TIUW

Chiral quantum router with Rydberg atoms

Author(s): N. E. Palaiodimopoulos, S. Ohler, M. Fleischhauer, and D. Petrosyan
Published in: Physical Review A, Issue V. 109, 032622, 2024, ISSN 2469-9926
Publisher: American Physical Society, Cornell University Press
DOI: 10.1103/PhysRevA.109.032622

Optimizing Rydberg Gates for Logical-Qubit Performance

Author(s): Sven Jandura; Jeff D. Thompson; Guido Pupillo
Published in: PRX Quantum, Issue Vol 4, Iss 2, p 020336 (2023), 2023, ISSN 2691-3399
Publisher: Ridge NY: American Physical Society
DOI: 10.48550/arxiv.2210.06879

Fidelity-enhanced variational quantum optimal control

Author(s): R. J. P. T. de Keijzer, L. Y. Visser, O. Tse, S. J. J. M. F. Kokkelmans
Published in: Physical Review A, Issue 111, 2025, ISSN 2469-9926
Publisher: American Physical Society (APS)
DOI: 10.1103/PHYSREVA.111.052625

Fidelity relations in an array of neutral atom qubits: Experimental validation of control noise

Author(s): D. A. Janse van Rensburg, R. J. P. T. de Keijzer, R. C. Venderbosch, Y. van der Werf, J. J. del Pozo Mellado, R. S. Lous, E. J. D. Vredenbregt, S. J. J. M. F. Kokkelmans
Published in: Physical Review A, Issue 113, 2026, ISSN 2469-9926
Publisher: American Physical Society (APS)
DOI: 10.1103/66ZH-YT9D

Bose-Hubbard polaron from weak to strong coupling

Author(s): Tom Hartweg, Tanul Gupta, Guido Pupillo
Published in: Physical Review B, Issue 112, 2025, ISSN 2469-9950
Publisher: American Physical Society (APS)
DOI: 10.1103/VX5S-CX17

Other (11)

Quantum Factoring Algorithm using Grover Search

Author(s): S. Whitlock, T. D. Kieu
Published in: 2024
Publisher: Cornell Tech
DOI: 10.48550/arXiv.2312.10054

Scalable digital quantum simulation of lattice fermion theories with local encoding

Author(s): Marco Ballarin, Giovanni Cataldi, Giuseppe Magnifico, Daniel Jaschke, Ilaria Siloi, Simone Montangero, Pietro Silvi
Publisher: Cornell Tech

Multi-qubit gates and ‘Schrödinger cat’ states in an optical clock

Author(s): Alec Cao, William J. Eckner, Aaron W. Young, Theodor Lukin Yelin, Sven Jandura, Lingfeng Yan, Kyungtae Kim, Guido Pupillo, Jun Ye, Adam M. Kaufman, Nelson Darkwah Oppong
Published in: 2024
Publisher: Cornell Tech

High-rate quantum LDPC codes for long-range-connected neutral atom registers

Author(s): Laura Pecorari, Sven Jandura, Gavin K. Brennen, and Guido Pupillo
Published in: 2024, ISSN 2331-8422
Publisher: Cornell Tech

Qubit fidelity under stochastic Schrödinger equations driven by colored noise

Author(s): R.J.P.T. de Keijzer, L.Y. Visser, O. Tse, and S.J.J.M.F. Kokkelmans
Publisher: Cornell Tech

Variational protocols for emulating digital gates using analog control with always-on interactions

Author(s): Claire Chevallier, Joseph Vovrosh, Julius de Hond, Mario Dagrada, Alexandre Dauphin, Vincent E. Elfving
Publisher: Cornell Tech

Optimal control transport of neutral atoms in optical tweezers at finite temperature

Author(s): Alice Pagano, Daniel Jaschke, Werner Weiss, Simone Montangero
Publisher: Cornell Tech

Ab-initio two-dimensional digital twin for quantum computer benchmarking

Author(s): D Jaschke, A Pagano, S Weber and S Montangero
Publisher: Cornell Tech

Optimal sampling of tensor networks targeting wave function's fast decaying tails

Author(s): Marco Ballarin, Pietro Silvi, Simone Montangero, Daniel Jaschke
Publisher: Cornell Tech

Non-Local Multi-Qubit Quantum Gates via a Driven Cavity

Author(s): Jandura, Sven; Srivastava, Vineesha; Pecorari, Laura; Brennen, Gavin; Pupillo, Guido
Published in: 2023
Publisher: Cornell Tech
DOI: 10.48550/arxiv.2303.13127

Scale-invariant phase transition of disordered bosons in one dimension

Author(s): Gupta, Tanul; Masella, Guido; Mattiotti, Francesco; Prokof'ev, Nikolay V.; Pupillo, Guido
Published in: 2023
Publisher: Cornell Tech
DOI: 10.48550/arxiv.2310.17682