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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.

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

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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