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Cold atom-semiconductor quantum interface

Objective

A group III/V semiconductor quantum dot will be interfaced with an ensemble of ultracold alkali atoms (first group). This interface will allow to combine efficient single photon generation in quantum dots with the excellent properties of cold atom quantum memories to build a key element for future high-speed quantum networks.

Semiconductor quantum dots have been developed into one of the best single-photon sources, providing single-photon generation on demand at a high rate and with high spectral purity. Independently, ultracold atoms have emerged as excellent quantum memories, providing single-photon storage with high efficiency and long lifetime. Using a new type of quantum dot that emits single photons at a wavelength compatible with rubidium atoms and a new broadband quantum memory scheme, we will directly interface these two systems for the first time. A single photon emitted from the quantum dot will be stored in the atomic ensemble and retrieved again on demand, realizing a key element of a quantum network. These achievement, which constitutes the primary goal of this project, wil form the basis for future experiments where the system will be used to create entanglement between two atomic ensembles and ultimately between the atoms and the quantum dot spin. These experiments will establish a new technology for quantum communication and distributed quantum computation, combining high bandwidth, high efficiency, and long storage time.

Fields of science (EuroSciVoc)

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Keywords

Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)

Programme(s)

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Topic(s)

Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.

Funding Scheme

Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.

MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)

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Call for proposal

Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.

(opens in new window) H2020-MSCA-IF-2015

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Coordinator

UNIVERSITAT BASEL
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 187 419,60
Address
PETERSPLATZ 1
4051 Basel
Switzerland

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Region
Schweiz/Suisse/Svizzera Nordwestschweiz Basel-Stadt
Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 187 419,60
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