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Content archived on 2024-06-18

Long-range interacting quantum systems and devices

Objective

Controlled correlations in a quantum network are at the heart of emerging quantum technologies for communication, information processing and computation. The scaling to a large number of interconnected nodes has so far remained an open challenge. Here mesoscopic ensembles of atoms which can be well controlled in their geometry and which provide rapidly switchable long range interactions promise an alternative approach with a significant simplification for quantum devices and networks. Finite temperatures up to even above room temperature operation of the resulting quantum devices might be possible and the upscaling to quantum networks with millions of nodes seems within reach.
Therefore I propose to study Rydberg interacting mesoscopic ensembles at low and high temperatures. In the first part fundamental building blocks for quantum devices and networks based on the so called Rydberg blockade in mesoscopic ensembles will be studied in an ultracold environment. In the second part I will investigate how to transfer these ideas to scalable ensembles in thermal micro-vapor cells. As the range of interaction can be on the order of micrometers, standard techniques in lithography can be used to produce mesoscopic ensembles confined in glass cells. Display fabrication technologies used for the production of TFT LC (thin-film transistor liquid crystal) displays can be used to scale the number of connected mesoscopic ensembles up dramatically. I will investigate to what extend the interdisciplinary combination of micro- and display technology and atomic physics enables the parallel operation of many scalable single photon sources for example to feed a large linear optical quantum network. This resulting ground-breaking perspective for the applicability of quantum devices and networks justifies the risk to explore fundamentally and technologically unexplored territory.

Fields of science (EuroSciVoc)

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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.

Call for proposal

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ERC-2010-AdG_20100224
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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.

ERC-AG - ERC Advanced Grant

Host institution

UNIVERSITY OF STUTTGART
EU contribution
€ 2 407 200,00
Address
KEPLERSTRASSE 7
70174 Stuttgart
Germany

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Region
Baden-Württemberg Stuttgart Stuttgart, Stadtkreis
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.

No data

Beneficiaries (1)

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