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LONGSPIN SIGNED

Long-range coupling of hole spins on a silicon chip

Total Cost €

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EC-Contrib. €

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Partnership

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Project "LONGSPIN" 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 1˙998˙423 €
 EC max contribution 1˙998˙423 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2017-STG
 Funding Scheme ERC-STG
 Starting year 2018
 Duration (year-month-day) from 2018-03-01   to  2023-02-28

 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 1˙998˙423.00

Map

 Project objective

With the miniaturization of electronic devices, the semiconductor industry has to deal with complex technical barriers and is forced to introduce novel and innovative concepts. The project proposal is exactly in line with this new paradigm as it proposes to divert CMOS technology to explore a new path for quantum spintronics. Concretely the project aims at using spin-orbit interaction present in the valence band of silicon to drive ultra-fast and ultra-coherent hole spin quantum bits (qubits). The proposal builds on the first demonstration by the principal investigator of a hole spin qubit electrically driven in silicon. While spins are excellent quantum bits, their long-range coupling remains a challenge to tackle towards complex quantum computing architectures. Here I propose to take up this challenge using a microwave photon as a quantum mediator between qubits in silicon. The LONGSPIN project presents a unique approach by leveraging a standard silicon-on-insulator CMOS process for the implementation of the qubits co-integrated with superconducting microwave resonators. This research project will provide a CMOS quantum toolkit with optimized designs and materials for fast and coherent qubits with a profound understanding of the physical limitations to hole spin coherence and hole qubit gate fidelity in silicon. Eventually a microwave photon used as a quantum bus will allow the transfer of quantum information between distant spin qubits.

 Publications

year authors and title journal last update
List of publications.
2019 A. Crippa, R. Ezzouch, A. Aprá, A. Amisse, R. Laviéville, L. Hutin, B. Bertrand, M. Vinet, M. Urdampilleta, T. Meunier, M. Sanquer, X. Jehl, R. Maurand, S. De Franceschi
Gate-reflectometry dispersive readout and coherent control of a spin qubit in silicon
published pages: , ISSN: 2041-1723, DOI: 10.1038/s41467-019-10848-z
Nature Communications 10/1 2019-10-15
2018 Alessandro Crippa, Romain Maurand, Léo Bourdet, Dharmraj Kotekar-Patil, Anthony Amisse, Xavier Jehl, Marc Sanquer, Romain Laviéville, Heorhii Bohuslavskyi, Louis Hutin, Sylvain Barraud, Maud Vinet, Yann-Michel Niquet, Silvano De Franceschi
Electrical Spin Driving by g -Matrix Modulation in Spin-Orbit Qubits
published pages: , ISSN: 0031-9007, DOI: 10.1103/physrevlett.120.137702
Physical Review Letters 120/13 2019-06-11

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