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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.

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

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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