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Error-Proof Optical Bell-State Analyzer

Objective

We propose to solve the long-standing problem of building a complete Bell-state analyser that is free from measurement errors. The realisation of such an error-proof Bell-state analyser constitutes a groundbreaking milestone for information technologies as it forms the key component for universal optical quantum computers and long-distance quantum communication. Reliable Bell-state detection will immediately impact the development of emerging quantum technologies, facilitate high-precision time-keeping and sensing, and enable future technologies such as secure communication or quantum cloud computing. This major conceptual and technological advancement will be made possible by combining two of the most recent breakthroughs at the frontier of quantum optics and nanophotonics: (i) ultra-strong quantum optical nonlinearities obtained from Rydberg-atom interactions or from a single quantum emitter strongly coupled to an optical microresonator and (ii) nanofabricated optical waveguide chips that permit high-level control of light propagation at the wavelength scale. The ambitious goal of the ErBeStA-project will be reached within a consortium which combines the essential conceptual and technological expertise in all required key areas and contributes complementary cutting-edge experimental setups that facilitate all necessary technological developments. Building the proposed Bell-state analyser will involve the development of advanced optical devices such as nondestructive photon-number-resolving detectors as well as configurable photon-number-specific filters and sorters, all of which constitute major scientific and technological breakthroughs on their own. Overall, ErBeStA will provide the first nonlinear light-matter interface coupled to on-chip complex optical circuitry, and, thereby, lay the foundation for future technology built on scalable quantum nonlinear devices.

Call for proposal

H2020-FETOPEN-2016-2017

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Sub call

H2020-FETOPEN-1-2016-2017

Coordinator

TECHNISCHE UNIVERSITAET WIEN
Net EU contribution
€ 424 887,50
Address
Karlsplatz 13
1040 Wien
Austria

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Region
Wien Wien
Activity type
Higher or Secondary Education Establishments
Non-EU contribution
€ 0,00

Participants (10)

UNIVERSITAET ROSTOCK
Germany
Net EU contribution
€ 338 917,50
Address
Universitatsplatz 1
18055 Rostock

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Region
Baden-Württemberg Stuttgart Stuttgart, Stadtkreis
Activity type
Higher or Secondary Education Establishments
Non-EU contribution
€ 0,00
THE UNIVERSITY OF NOTTINGHAM
United Kingdom
Net EU contribution
€ 385 476,25
Address
University Park
NG7 2RD Nottingham

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Region
East Midlands (England) Derbyshire and Nottinghamshire Nottingham
Activity type
Higher or Secondary Education Establishments
Non-EU contribution
€ 0,00
UNIVERSITAT WIEN
Austria
Net EU contribution
€ 306 436,25
Address
Universitatsring 1
1010 Wien

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Region
Wien Wien
Activity type
Higher or Secondary Education Establishments
Non-EU contribution
€ 0,00
SYDDANSK UNIVERSITET

Participation ended

Denmark
Net EU contribution
€ 291 733,71
Address
Campusvej 55
5230 Odense M

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Region
Danmark Syddanmark Fyn
Activity type
Higher or Secondary Education Establishments
Non-EU contribution
€ 0,00
AARHUS UNIVERSITET
Denmark
Net EU contribution
€ 318 073,75
Address
Nordre Ringgade 1
8000 Aarhus C

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Region
Danmark Midtjylland Østjylland
Activity type
Higher or Secondary Education Establishments
Non-EU contribution
€ 0,00
FORSCHUNGSVERBUND BERLIN EV

Participation ended

Germany
Net EU contribution
€ 254 405,79
Address
Rudower Chaussee 17
12489 Berlin

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Region
Berlin Berlin Berlin
Activity type
Research Organisations
Non-EU contribution
€ 0,00
EBERHARD KARLS UNIVERSITAET TUEBINGEN
Germany
Net EU contribution
€ 184 375,00
Address
Geschwister-scholl-platz
72074 Tuebingen

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Region
Baden-Württemberg Tübingen Tübingen, Landkreis
Activity type
Higher or Secondary Education Establishments
Non-EU contribution
€ 0,00
HUMBOLDT-UNIVERSITAET ZU BERLIN
Germany
Net EU contribution
€ 200 292,50
Address
Unter Den Linden 6
10117 Berlin

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Region
Baden-Württemberg Stuttgart Stuttgart, Stadtkreis
Activity type
Higher or Secondary Education Establishments
Non-EU contribution
€ 0,00
RHEINISCHE FRIEDRICH-WILHELMS-UNIVERSITAT BONN
Germany
Net EU contribution
€ 217 755,04
Address
Regina Pacis Weg 3
53113 Bonn

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Region
Nordrhein-Westfalen Köln Bonn, Kreisfreie Stadt
Activity type
Higher or Secondary Education Establishments
Non-EU contribution
€ 0,00
FERDINAND-BRAUN-INSTITUT GGMBH LEIBNIZ- INSTITUT FUR HOCHSTFREQUENZTECNIK
Germany
Net EU contribution
€ 74 300,46
Address
Gustav-kirchhoff-strasse 4
12489 Berlin

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Region
Berlin Berlin Berlin
Activity type
Research Organisations
Non-EU contribution
€ 0,00