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Scalable Continuous Variable Cluster State Quantum Technologies

Project description

DEENESFRITPL

Scalable quantum technologies with continuous variables

Continuous-variable (CV) quantum systems use physical observables whose numerical values belong to continuous intervals. The recent generation and manipulation of CV cluster states, comprising thousands of entangled modes, paves the way for scalable CV quantum computing and networking systems. The EU-funded CLUSTEC project will work towards realising the full potential of CV cluster state technology by making conceptual and technical breakthroughs in three different directions. First, researchers will develop scalable optical platforms for massive CV cluster states by using advanced topological tools. New measurement induced CV quantum computational and networking protocols and algorithms will be developed. Ultimately, researchers will develop novel quantum error-correcting CV protocols and technologies that should facilitate the realisation of practical fault-tolerant quantum technologies.

Objective

Continuous variable (CV) quantum technologies have in recent years made significant impact on the fields of quantum communication, sensing, and computing, as signified by the detection of gravitational waves and demonstration of quantum advantage via Gaussian boson sampling. Moreover, the recent generation and manipulation of CV cluster states, comprising thousands of entangled modes, have direct implications for future developments of scalable CV quantum computing and networking systems. In CLUSTEC, we will pursue an interdisciplinary approach to unfold the full potential of CV cluster state technology by making conceptual and technical breakthroughs along three different directions. First, we will develop two complementary optical platforms for scalable generation of massive CV cluster states of different entanglement topologies and generation of hardware efficient error-correcting codes. The two systems will be based on a well-established low-loss fiber platform and the emerging, highly promising integrated photonics platform of thin-film Lithium Niobate. Second, we will develop and test radically new measurement-induced CV quantum computational and networking protocols and algorithms with certified quantum advantage and real-life applications. Third, we will explore and develop, theoretically and experimentally, novel quantum error-correcting CV protocols and technologies that facilitate the realization of practical fault-tolerant quantum technologies for quantum computing, communication and sensing with true scalability potential. With these activities, CLUSTEC will create a new path towards scalable quantum technologies and accelerate the development of practical quantum technologies with potentially radical impact on European society and economy. The results will pave the way for industrial uptake and exploitation in the near and long term, and in turn support the development of European leadership and autonomy in emerging strategic technologies.

Fields of science

Programme(s)

Topic(s)

Call for proposal

HORIZON-CL4-2021-DIGITAL-EMERGING-02

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Funding Scheme

HORIZON-AG - HORIZON Action Grant Budget-Based

Coordinator

DANMARKS TEKNISKE UNIVERSITET
Net EU contribution
€ 1 014 058,75
Address
Anker engelunds vej 101
2800 Kongens lyngby
Denmark

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Region
Danmark Hovedstaden Københavns omegn
Activity type
Higher or Secondary Education Establishments
Links
Other funding
€ 0,00

Participants (7)

Partners (1)

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EC signature date 14 September 2022
Last update: 26 September 2022

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Permalink: https://cordis.europa.eu/project/id/101080173

European Union, 2023