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QUCUBE SIGNED

3D integration technology for silicon spin qubits

Total Cost €

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EC-Contrib. €

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Partnership

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 QUCUBE project word cloud

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

computers    host    freedom    modern    dauntingly    uncontrolled    digital    optical    ing    bits    compensated    small    multiplexing    industrial    particles    topological    opening    elementary    qubits    transistors    microscopic    microprocessors    powers    logical    consisting    encoded    planes    world    mechanics    computational    semiconductors    decoherence    gate    entanglement    individually    designed    originally    computing    realize    free    onto    qubit    metal    unexploited    atoms    essentially    unprecedented    evolution    charge    103    technological    accommodate    code    fidelity    leverages    computer    changed    schemes    living    hundreds    degrees    confined    unpredictable    conceived    containing    millions    macroscopic    theory    describe    served    least    dots    sensing    tolerant    qucube    separated    electrostatically    foundational    superposition    wiring    environment    electrical    simulations    quantum    entangled    surface    processor    readout    fault    hamiltonians    dimensional    silicon    remained    array    phenomena    layout    interact    purposely    inaccessible    architecture    lines    scalable    spin    physical    predict    operated   

Project "QUCUBE" data sheet

The following table provides information about the project.

Coordinator
COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES 

Organization address
address: RUE LEBLANC 25
city: PARIS 15
postcode: 75015
website: www.cea.fr

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 France [FR]
 Total cost 13˙990˙460 €
 EC max contribution 13˙990˙460 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2018-SyG
 Funding Scheme ERC-SyG
 Starting year 2019
 Duration (year-month-day) from 2019-02-01   to  2025-01-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES FR (PARIS 15) coordinator 10˙980˙316.00
2    CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS FR (PARIS) participant 3˙010˙143.00

Map

 Project objective

Originally conceived to describe the microscopic world of atoms and elementary particles, the theory of quantum mechanics has eventually served to predict macroscopic phenomena, e.g. the electrical and optical properties of semiconductors, resulting a wide range of technological applications that have changed our way of living. Foundational properties like quantum superposition and entanglement, however, have remained essentially unexploited. Their use may allow achieving computational powers inaccessible to classical digital computers, opening unprecedented opportunities. In a quantum computer, the elementary bits of information are encoded onto two-level quantum systems called qubits. Since qubits interact with the uncontrolled degrees of freedom of their environment, the evolution of their quantum states can become quickly unpredictable, leading to a reduced qubit fidelity. In topological quantum computing schemes, e.g. the surface code, the reduced fidelity is compensated by using decoherence-free logical qubits consisting of a large number (~103) of entangled physical qubits. As a result, a useful quantum processor should host at least millions of qubits. Although dauntingly large, this number is still small as compared to the number of transistors in a modern silicon microprocessors. QuCube leverages industrial-level silicon technology to realize a quantum processor containing hundreds of spin qubits confined to a two-dimensional array of electrostatically defined silicon quantum dots. To face the challenge of addressing the qubits individually, we use a three-dimensional architecture purposely designed to accommodate, on separated planes, the charge sensing devices necessary for qubit readout, and the metal gate lines for the electrical control and measurement. The gate lines are operated according to a multiplexing principle, enabling a scalable wiring layout. We shall implement fault-tolerant logical qubits and quantum simulations of complex Hamiltonians

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The information about "QUCUBE" are provided by the European Opendata Portal: CORDIS opendata.

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