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CORDIS - EU research results
CORDIS

Integrated GermaNIum quanTum tEchnology

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

Report on electrical characterization (opens in new window)

Systematic electrical characterisation of quick turn monitors will be carried out by the different characterisation teams according to specific expertise, scientific interest and existing collaborations. Definition of a set of common metrics and targets will facilitate knowledge exchange and accelerate progress.

Gate set protocol for fault tolerant operation (opens in new window)

Randomized benchmarking measurements will be performed on quantum dot arrays in order to obtain insight into fidelity and its variability from qubit to qubit. On the theory side we are going to model electron-phonon, hyperfine, spin-orbit interaction and charge noise in order to understand their effect on qubit benchmarks. The goal is to enable the interpretation of experiments and to provide feedback and guidelines for optimized device design.

Qubit realization exceeding quality factors of 500 (opens in new window)

Characterization of spin coherence (T1,T2*,T2) and Rabi driving (optimial driving, role of spin-orbit coupling) in connection to qubit layout.

Feedback on qubit properties (opens in new window)

WP3,4 will provide regular feedback on qubit benchmarking. This feedback will complete the learning cycle on materials and devices development and provide guidelines for design and process optimization.

Open-source shared training sets for quantum dot control machine learning algorithms (opens in new window)

Use system-specific theoretical models produced in WP3 to generate labeled data sets for classically simulatable system sizes (< 12 quantum dots)* Develop geometric graph-based translationally invariant machine learning models and benchmark them on the theoretically generated data sets.

Annual report (opens in new window)

Annual report with latest material developments and resources information. Also month 24 and 36.

IGNITE website (opens in new window)

Creation of IGNITE website: central platform for communication

Data management plan (opens in new window)

Elaboration of an efficient Data Management Plan

Germanium workshop and conference (opens in new window)

Also in month 30.Coordinating the organization of the Germanium Day in Austria (IST) and 'The germanium quantum information route' conference (UKON) together with all IGNITE WPs, an event to showcase the milestones and achievements of IGNITE - (UKON, IST, all)

Publications

Protocols to measure the non-Abelian Berry phase by pumping a spin qubit through a quantum-dot loop (opens in new window)

Author(s): Baksa Kolok and András Pályi
Published in: Physical Review B, Issue 109, 2024, ISSN 2469-9969
Publisher: Purpose -led Publishing
DOI: 10.1103/PhysRevB.109.045438

Electrically driven spin resonance with bichromatic driving (opens in new window)

Author(s): https://doi.org/10.1103/PhysRevB.106.155412
Published in: Physical Review B, Issue 106, 2022, ISSN 2469-9969
Publisher: Purpose-Led Publishing
DOI: 10.1103/PhysRevB.106.155412

Bichromatic Rabi Control of Semiconductor Qubits (opens in new window)

Author(s): 10.1103/PhysRevLett.132.067001
Published in: PHYSICAL REVIEW LETTERS, Issue 067001, 2024, ISSN 1079-7114
Publisher: PHYSICAL REVIEW LETTERS
DOI: 10.1103/PhysRevLett.132.067001

Compressively Strained Epitaxial Ge Layers for Quantum Computing Applications (opens in new window)

Author(s): Yosuke Shimura; Clement Godfrin; Andriy Hikavyy; Roy Li; Juan Aguilera; Georgios Katsaros; Paola Favia; Han Han; Danny Wan; Kristiaan De Greve; Roger Loo
Published in: ScienceDirect, Issue Volume 174, 108231, 2024, ISSN 1873-4081
Publisher: Elsevier
DOI: 10.1016/j.mssp.2024.108231

Classification and magic magnetic field directions for spin-orbit-coupled double quantum dots (opens in new window)

Author(s): https://doi.org/10.1103/PhysRevB.108.245406
Published in: PHYSICAL REVIEW, Issue 108, 2023, ISSN 2469-9969
Publisher: Purpose-led Publishing
DOI: 10.1103/PhysRevB.108.245406

Parity-conserving Cooper-pair transport and ideal superconducting diode in planar germanium (opens in new window)

Author(s): https://doi.org/10.1038/s41467-023-44114-0
Published in: Nature Communications, Issue 169, 2024, ISSN 2041-1723
Publisher: Springer Nature
DOI: 10.1038/s41467-023-44114-0

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