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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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Partnership

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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.

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

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

Map

 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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