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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.

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

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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