Advanced quantum computing with trapped ions

Informazioni relative al progetto

AQTION

ID dell’accordo di sovvenzione: 820495

DOI

10.3030/820495

Progetto chiuso

Data della firma CE 15 Ottobre 2018

Data di avvio 1 Ottobre 2018

Data di completamento 31 Marzo 2022

Finanziato da

• EXCELLENT SCIENCE - Future and Emerging Technologies (FET)

Costo totale

€ 9 588 000,25

Contributo UE

€ 9 587 250,00

Coordinato da

UNIVERSITAET INNSBRUCK
Austria

CORDIS fornisce collegamenti ai risultati finali pubblici e alle pubblicazioni dei progetti ORIZZONTE.

I link ai risultati e alle pubblicazioni dei progetti del 7° PQ, così come i link ad alcuni tipi di risultati specifici come dataset e software, sono recuperati dinamicamente da .OpenAIRE .

Risultati finali

Documents, reports (13)

Develop low-resource trapped-ion schemes for fault-tolerant key building blocks

Develop low-resource trapped-ion schemes for fault-tolerant key building blocks (flag-based QEC, FT teleportation and distillation between 2 processing units, comparative study of shuttling- and photon-based interconnects).

Demonstrate quantum optimization or machine learning algorithm for > 30 qubits

Demonstrate quantum optimization or machine learning algorithm for 30 qubits

Demonstrate advanced entanglement purification techniques by purifying a higher order object than a Bell state

Demonstrate advanced entanglement purification techniques by purifying a higher order object than a Bell state an appropriate small code state

Establish techniques for automated optimisation/discovery of shallow circuits; verify numerically and begin testing with quantum hardware
Parallel ion reconfiguration operations on a 50 qubit register
Demonstrate combined LGT ground state generation and dynamics simulation > 30 qubits

Demonstrate combined LGT ground state generation and dynamics simulation 30 qubits

Describe an efficient decoder for flag-based QEC with larger-distance codes

Describe an efficient decoder for flagbased QEC with largerdistance codes scalability of future trappedion technologies with more than 100 qubits

Entanglement rate between two remote traps > 100 ebits/s

Entanglement rate between two remote traps 100 ebitss

Demonstrate random circuit experiment with > 40 qubits using quantum error mitigation methods

Demonstrate random circuit experiment with 40 qubits using quantum error mitigation methods circuit depth 40

Experimental results on benchmarking of single FT building blocks and verification of quantum advantage
Demonstrate a quantum logic gate on multiple logical qubits
Identify scalable discrete noise models
Develop a set of lattice-surgery-inspired methods for code-switching protocols for a FT universal set of gates

Develop a set of latticesurgeryinspired methods for codeswitching protocols for a FT universal set of gates

Demonstrators, pilots, prototypes (4)

Automated operation of the quantum computer demonstrator

Automated operation of the quantum computer demonstrator with 50 qubits

Feasibility study on integration of a fibre-cavity into the trap design

Feasibility study on integration of a fibrecavity into the trap design

Assembly of quantum computer demonstrator with 10 qubits
50-ion 3D trap with 2 junctions manufactured and produced

50ion 3D trap with 2 junctions manufactured and produced

Websites, patent fillings, videos etc. (1)

Final report on dissemination, exploitation and data management

Final report on dissemination exploitation and data management

Pubblicazioni

Other (5)

Cross-verification of independent quantum devices

Autori: C. Greganti, T. F. Demarie, M. Ringbauer, J. A. Jones, V. Saggio, I. A. Calafell, L. A. Rozema, A. Erhard, M. Meth, L. Postler, R. Stricker, P. Schindler, R. Blatt, T. Monz, P. Walther, J. F. Fitzsimons
Pubblicato in: 2019
Editore: arXiv Preprint

Phase Spaces, Parity Operators, and the Born-Jordan Distribution

Autori: Bálint Koczor, Frederik vom Ende, Maurice de Gosson, Steffen J. Glaser, Robert Zeier
Pubblicato in: 2018
Editore: arXiv preprint

Quantum natural gradient generalised to non-unitary circuits

Autori: Bálint Koczor, Simon C. Benjamin
Pubblicato in: 2019
Editore: arXiv preprint

Deterministic correction of qubit loss

Autori: Roman Stricker, Davide Vodola, Alexander Erhard, Lukas Postler, Michael Meth, Martin Ringbauer, Philipp Schindler, Thomas Monz, Markus Müller, Rainer Blatt
Pubblicato in: 2020
Editore: arXiv preprint

Variational-State Quantum Metrology

Autori: Bálint Koczor, Suguru Endo, Tyson Jones, Yuichiro Matsuzaki, Simon C. Benjamin
Pubblicato in: 2019
Editore: arXiv preprint

Peer reviewed articles (9)

Shuttling-based trapped-ion quantum information processing

Autori: V. Kaushal, B. Lekitsch, A. Stahl, J. Hilder, D. Pijn, C. Schmiegelow, A. Bermudez, M. Müller, F. Schmidt-Kaler, U. Poschinger
Pubblicato in: AVS Quantum Science, Numero 2/1, 2020, Pagina/e 014101, ISSN 2639-0213
Editore: AIP Publishing
DOI: 10.1116/1.5126186

Probing Qubit Memory Errors at the Part-per-Million Level

Autori: M. A. Sepiol, A. C. Hughes, J. E. Tarlton, D. P. Nadlinger, T. G. Ballance, C. J. Ballance, T. P. Harty, A. M. Steane, J. F. Goodwin, D. M. Lucas
Pubblicato in: Physical Review Letters, Numero 123/11, 2019, ISSN 0031-9007
Editore: American Physical Society
DOI: 10.1103/physrevlett.123.110503

Encoding a qubit in a trapped-ion mechanical oscillator

Autori: C. Flühmann, T. L. Nguyen, M. Marinelli, V. Negnevitsky, K. Mehta, J. P. Home
Pubblicato in: Nature, Numero 566/7745, 2019, Pagina/e 513-517, ISSN 0028-0836
Editore: Nature Publishing Group
DOI: 10.1038/s41586-019-0960-6

Characterizing large-scale quantum computers via cycle benchmarking

Autori: Alexander Erhard, Joel J. Wallman, Lukas Postler, Michael Meth, Roman Stricker, Esteban A. Martinez, Philipp Schindler, Thomas Monz, Joseph Emerson, Rainer Blatt
Pubblicato in: Nature Communications, Numero 10/1, 2019, ISSN 2041-1723
Editore: Nature Publishing Group
DOI: 10.1038/s41467-019-13068-7

Continuous phase-space representations for finite-dimensional quantum states and their tomography

Autori: Bálint Koczor, Robert Zeier, Steffen J. Glaser
Pubblicato in: Physical Review A, Numero 101/2, 2020, ISSN 2469-9926
Editore: American Physical Society
DOI: 10.1103/physreva.101.022318

Adaptive Bayesian phase estimation for quantum error correcting codes

Autori: F Martínez-García, D Vodola, M Müller
Pubblicato in: New Journal of Physics, Numero 21/12, 2019, Pagina/e 123027, ISSN 1367-2630
Editore: Institute of Physics Publishing
DOI: 10.1088/1367-2630/ab5c51

High-Rate, High-Fidelity Entanglement of Qubits Across an Elementary Quantum Network

Autori: L. J. Stephenson, D. P. Nadlinger, B. C. Nichol, S. An, P. Drmota, T. G. Ballance, K. Thirumalai, J. F. Goodwin, D. M. Lucas, C. J. Ballance
Pubblicato in: Physical Review Letters, Numero 124/11, 2020, ISSN 0031-9007
Editore: American Physical Society
DOI: 10.1103/physrevlett.124.110501

Segmented ion-trap fabrication using high precision stacked wafers

Autori: Simon Ragg, Chiara Decaroli, Thomas Lutz, Jonathan P. Home
Pubblicato in: Review of Scientific Instruments, Numero 90/10, 2019, Pagina/e 103203, ISSN 0034-6748
Editore: American Institute of Physics
DOI: 10.1063/1.5119785

Magnetic field stabilization system for atomic physics experiments

Autori: B. Merkel, K. Thirumalai, J. E. Tarlton, V. M. Schäfer, C. J. Ballance, T. P. Harty, D. M. Lucas
Pubblicato in: Review of Scientific Instruments, Numero 90/4, 2019, Pagina/e 044702, ISSN 0034-6748
Editore: American Institute of Physics
DOI: 10.1063/1.5080093

Thesis and dissertations (3)

A shuttling-based trapped-ion quantum processing node

Autori: Vidyut Kaushal
Pubblicato in: 2019
Editore: University of Mainz

Advanced positioning control for trapped ions

Autori: Oliver Gräb
Pubblicato in: 2019
Editore: University of Mainz

Simultaneous and individual ion addressing for quantum information processing

Autori: Julian Rickert
Pubblicato in: 2018
Editore: University of Innsbruck