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

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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