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SMERC SIGNED

Strong Microwave Erbium Coupling

Total Cost €

EC-Contrib. €

Partnership

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SMERC project word cloud

Explore the words cloud of the SMERC project. It provides you a very rough idea of what is the project "SMERC" about.

smerc millisecond detection microwave spins remarkable 0431 spin time exceedingly concentrate photon arxiv ideal obstacle defects list sufficient designed outstanding earth integration times resonators moment quantum constrictions org crystalline solids couple matrices detect computers magnetic demonstrated nuclear https abs superconducting signals nanoscale 15 computing j joining qubit candidate josephson ion circuits coupling individual 1611 consisting erbium ground qubits single er candidates location hyperfine rare electronic solid coherence constants

Project "SMERC" 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	185˙076 €
EC max contribution	185˙076 € (100%)
Programme	1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
Code Call	H2020-MSCA-IF-2017
Funding Scheme	MSCA-IF-EF-ST
Starting year	2019
Duration (year-month-day)	from 2019-01-01 to 2020-12-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES 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.	FR (PARIS 15)	coordinator	185˙076.00

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Project objective

Electronic and nuclear spins in solids have remarkable coherence properties which makes them ideal qubit candidates for future quantum computers. However, microwave detection and coupling of individual spins remains an outstanding challenge, and this is the main obstacle to their use for quantum computing. The rare earth element erbium (Er) is a very promising candidate for single-spin detection due to its exceedingly large electronic ground-state moment (J=15/2). Furthermore, Er has recently demonstrated 1.3 second hyperfine spin coherence (https://arxiv.org/abs/1611.0431), thus joining a very short list of solid state defects with coherence times of over a second. The Strong Microwave Erbium Coupling (SMERC) proposal aims to use superconducting circuits consisting of resonators and Josephson qubits to detect and couple individual Er spins in crystalline matrices. The superconducting circuits will be designed so as to enhance their magnetic coupling to the individual Er spins. In particular, nanoscale constrictions will be used to concentrate the microwave magnetic field at the Er ion location. This will result in Er-microwave photon coupling constants sufficient to detect a single Er spin within less than a millisecond integration time with microwave signals.

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