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LOQO-MOTIONS SIGNED

Local quantum operations achieved through the motion of spins

Total Cost €

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EC-Contrib. €

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 Outcomes and results

 LOQO-MOTIONS project word cloud

Explore the words cloud of the LOQO-MOTIONS project. It provides you a very rough idea of what is the project "LOQO-MOTIONS" about.

entanglement    code    vigorously    motion    times    quantum    couplings    processors    defects    photons    blueprint    defect    spins    spin    measured    lacking    exceptionally    cryogenic    hours    coherence    controllably    limited    materials    addressable    silicon    tools    ion    motions    physically    phenomena    formidable    nuclear    operations    motivation    components    platform    physical    local    nano    mobile    manner    scanning    fidelity    donors    generate    route    interactions    assembles    couple    surface    operation    technologies    achievements    powerful    implantation    optical    explore    combined    probe    positional    groups    electron    coherent    exhibit    donor    inspired    sensors    realisable    loqo    carries    coupling    appreciated    versatile    seconds    shown    microwave    shot    static    single    pursued    emerged    accuracy    permitting    exchange    dipolar    tolerant    atomic    scalable    optically    engineering    fault    explored    magnetometry    lifetimes    synergies    sensing   

Project "LOQO-MOTIONS" data sheet

The following table provides information about the project.

Coordinator		 UNIVERSITY COLLEGE LONDON 

Organization address
address: GOWER STREET
city: LONDON
postcode: WC1E 6BT
website: n.a.

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.
 Coordinator Country United Kingdom [UK]
 Project website http://www.ucl.ac.uk/quantum-spins
 Total cost 2˙264˙167 €
 EC max contribution 2˙264˙167 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2017-COG
 Funding Scheme ERC-COG
 Starting year 2018
 Duration (year-month-day) from 2018-02-01   to  2023-01-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITY COLLEGE LONDON UK (LONDON) coordinator 2˙264˙167.00

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 Project objective

Spins have long been appreciated as versatile tools for studying coherent quantum phenomena in a range of materials and have emerged as powerful components for the development of technologies such as quantum information processors and sensors. Results from the past 5 years have shown that spins can exhibit exceptionally long coherence lifetimes (seconds for the electron spin, hours for the nuclear spin), and can be measured with high fidelity in a single shot and at the single spin level. These achievements provide strong motivation to address what remains an open challenge: how to controllably couple such coherent spins in a scalable manner. This goal is being vigorously pursued by many groups following approaches such as those based on exchange interactions between spins, or coupling spins to optical or microwave photons and measurement-based entanglement. However, each of these approaches carries formidable challenges and a clearly realisable route to a scalable technology is still currently lacking.

The aim of LOQO-MOTIONS is to exploit the long coherence times observed in spins of atomic defects in materials and open up a new approach for coupling spins based on dipolar interactions combined with physical motion to achieve local quantum operations. This approach is inspired by a recent blueprint for the implementation of a surface code using donors in silicon, permitting fault-tolerant operation even with the limited positional accuracy of ion implantation. LOQO-MOTIONS assembles a comprehensive set of tools required to explore and exploit physically mobile spins, including: versatile single- donor spin measurement, coupling of donor spins and optically-addressable defect spins, and cryogenic scanning of probe spins over static spins to generate entanglement. In addition to developing a new platform for engineering spin-spin couplings, LOQO-MOTIONS has strong synergies with spin-based magnetometry and nano-scale quantum sensing applications will be explored.

 Publications

year authors and title journal last update
List of publications.
2019 Philipp Ross, Brendon C. Rose, Cheuk C. Lo, Mike L.W. Thewalt, Alexei M. Tyryshkin, Stephen A. Lyon, John J.L. Morton
Electron Spin Resonance of P Donors in Isotopically Purified Si Detected by Contactless Photoconductivity
published pages: 54014, ISSN: 2331-7019, DOI: 10.1103/PhysRevApplied.11.054014 		Physical Review Applied 11/5 2019-12-10
2019 Salahuddin Nur, Hee-Jin Lim, Jeroen Elzerman, John J. L. Morton
Silicon photonic crystal cavities at near band-edge wavelengths
published pages: 91101, ISSN: 0003-6951, DOI: 10.1063/1.5067358 		Applied Physics Letters 114/9 2019-12-10

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