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HORIZON-CL4-2025-03-DIGITAL-EMERGING-02

Quantum Computing – complementing the quantum computing FPAs with the development of a technology agnostic software stack (RIA) -

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  • HORIZON-CL4-2025-03-DIGITAL-EMERGING-01
    Continuation of the Quantum Technologies Flagship (CSA)

    MOTIVATION The quantum flagship should support all the single quantum calls, as explained during the NCP training

Call text (as on F&T portal)

View on F&T portal
Expected Outcome:

Project results are expected to contribute to the following expected outcomes:

  • Establishing a universal, interoperable quantum computing ecosystem that supports diverse hardware platforms through the creation of a technology-agnostic software stack.
  • Seamlessly integrating quantum computing with classical computing systems, including HPC and cloud services (including the EuroHPC Joint Undertaking’s supercomputers, and the quantum computers and simulators already integrated into them), and demonstrating practical quantum computing applications by showcasing use cases that combine quantum and classical computing capabilities
  • Advancing the development of standardized software architectures, compilers, and simulators that ensure application portability and performance across different quantum computing platforms.
  • Demonstration of workflows that effectively combine quantum and classical computing to address complex computational challenges, providing clear examples of the added value of quantum acceleration or showing a quantum advantage.
  • Support for initiatives aimed at training software developers in quantum programming and developing libraries for basic quantum algorithms, including the integration of quantum error correction mechanisms.

    • This topic emphasizes the strategic importance of collaboration between Horizon Europe quantum computing software and hardware projects and the EuroHPC Joint Undertaking’s quantum projects, including high-performance computing-quantum middleware, integration, and Quantum Excellence Centres. Successful applicants will be required to closely collaborate and agree on the interfaces for the main layers of the software stack at the beginning of their projects. It is crucial that the projects collaborate from the outset to define open interfaces for the main layers of the software stack. These interfaces should be open for consultation and incorporate input from existing initiatives to ensure they are well aligned with current developments in the field. All interface specifications should be properly documented as they will serve as the foundational basis for the development of different layers and facilitate seamless collaboration across projects.

    In line with the European Commission’s commitment to open access and reuse of software, when possible, all developments under this call should utilize open-source software platforms and be published in open repositories such as GitHub. Additionally, the use of appropriate software licenses, such as those listed as free by the Free Software Foundation and listed as open source by the Open Source Initiative, or under the European Union Public Licence (EUPL), is strongly recommended.

    Moreover, the beneficiaries will have to ensure open access to other research outputs like data and workflows under the principle ‘as open as possible and as closed as necessary’ and in accordance with the FAIR (Findable, Accessible, Interoperable, Reusable) data principles.

    Scope:

    Quantum APIs and cloud access form the transition layer between users and quantum machines in the quantum computation stack. This layer includes general-purpose quantum software development kits that are used to implement quantum algorithms for both gate-based systems, simulators and quantum annealers. This call seeks proposals that address the creation of a cohesive software stack that is agnostic to quantum hardware, facilitating the development, testing, and deployment of quantum applications across various platforms.

    Proposals are encouraged to build on, or seek collaboration with, existing projects, and develop synergies and ensure complementarities with other relevant European, national, or regional initiatives and funding programmes. In particular, links are encouraged with the following, as well as with the EuroHPC Joint Undertaking:

    • HORIZON-CL4-2021-DIGITAL-EMERGING-02-17: Framework Partnership Agreement for developing large-scale quantum simulation platform technologies (FPA)
    • HORIZON-CL4-2021-DIGITAL-EMERGING-02-15: Framework Partnership Agreement for developing the first large-scale quantum computers (FPA)
    • HORIZON-CL4-2023-DIGITAL-EMERGING-01-43: Framework Partnership Agreement for developing large-scale quantum Computing platform technologies (FPA)
    • HORIZON-CL4-QUANTUM-02-SGA - Developing large-scale quantum simulation platform technologies (SGA)
    • HORIZON-CL4-QUANTUM-01-SGA - Developing the first large-scale quantum computers (SGA)

    In addition, proposals are expected to develop synergies with relevant projects funded under the Digital Europe Programme (DEP).

    Proposals should also contribute to spreading excellence across Europe; for example, through the involvement of EU Widening Countries.

    In this topic the integration of the gender dimension (sex and/or gender analysis) in research and innovation content is not a mandatory requirement; however, should proposers consider it to be of relevance for their proposal, they are strongly encouraged to integrate it.

    News flashes

    2025-08-13

    Please note that due to a technical issue, during the first days of publication of this call, the topic page did not display the description of the corresponding destination. This problem is now solved.

    In addition to the information published in the topic page, you can always find a full description of the Destination 4 ("Achieving open strategic autonomy in digital and emerging enabling technologies") that are relevant for the call in the Work Programme 2025 part for "Digital, Industry and Space". Please select from the work programme the destination relevant to your topic and take into account the description and expected impacts of that destination for the preparation of your proposal.

    2025-08-13
    The submission session is now available for: HORIZON-CL4-2025-03-DIGITAL-EMERGING-02, HORIZON-CL4-2025-03-HUMAN-14, HORIZON-CL4-2025-03-HUMAN-16, HORIZON-CL4-2025-03-DATA-09, HORIZON-CL4-2025-03-DIGITAL-EMERGING-03, HORIZON-CL4-2025-03-MATERIALS-47, HORIZON-CL4-2025-03-DIGITAL-EMERGING-01, HORIZON-CL4-2025-03-DIGITAL-EMERGING-07, HORIZON-CL4-2025-03-DATA-08, HORIZON-CL4-2025-03-HUMAN-19, HORIZON-CL4-2025-03-DIGITAL-EMERGING-08, HORIZON-CL4-2025-03-DATA-12, HORIZON-CL4-2025-03-DATA-13, HORIZON-CL4-2025-03-HUMAN-18, HORIZON-CL4-2025-03-HUMAN-15, HORIZON-CL4-2025-03-DATA-10, HORIZON-CL4-2025-03-DIGITAL-EMERGING-04, HORIZON-CL4-2025-03-DIGITAL-EMERGING-09, HORIZON-CL4-2025-03-DATA-11, HORIZON-CL4-2025-03-MATERIALS-46, HORIZON-CL4-2025-03-HUMAN-17
    2025-08-13

    Please note that due to a technical issue, during the first days of publication of this call, the topic page did not display the description of the corresponding destination. This problem is now solved.

    In addition to the information published in the topic page, you can always find a full description of the Destination 4 ("Achieving open strategic autonomy in digital and emerging enabling technologies") that are relevant for the call in the Work Programme 2025 part for "Digital, Industry and Space". Please select from the work programme the destination relevant to your topic and take into account the description and expected impacts of that destination for the preparation of your proposal.

    2025-08-13
    The submission session is now available for: HORIZON-CL4-2025-03-DIGITAL-EMERGING-02, HORIZON-CL4-2025-03-HUMAN-14, HORIZON-CL4-2025-03-HUMAN-16, HORIZON-CL4-2025-03-DATA-09, HORIZON-CL4-2025-03-DIGITAL-EMERGING-03, HORIZON-CL4-2025-03-MATERIALS-47, HORIZON-CL4-2025-03-DIGITAL-EMERGING-01, HORIZON-CL4-2025-03-DIGITAL-EMERGING-07, HORIZON-CL4-2025-03-DATA-08, HORIZON-CL4-2025-03-HUMAN-19, HORIZON-CL4-2025-03-DIGITAL-EMERGING-08, HORIZON-CL4-2025-03-DATA-12, HORIZON-CL4-2025-03-DATA-13, HORIZON-CL4-2025-03-HUMAN-18, HORIZON-CL4-2025-03-HUMAN-15, HORIZON-CL4-2025-03-DATA-10, HORIZON-CL4-2025-03-DIGITAL-EMERGING-04, HORIZON-CL4-2025-03-DIGITAL-EMERGING-09, HORIZON-CL4-2025-03-DATA-11, HORIZON-CL4-2025-03-MATERIALS-46, HORIZON-CL4-2025-03-HUMAN-17
    Found 1 annotations in info base click to see
    call topic details
    Call status: Open
    Publication date: 2025-05-15 (2 months ago)
    Opening date: 2025-06-10 (2 months ago)
    Closing date: 2025-10-02 (1 month from now)
    Procedure: single-stage

    Budget: 10000000
    Expected grants: 2
    Contribution: 5000000 - 5000000
    News flashes

    This call topic has been appended 4 times by the EC with news.

    • 2025-08-13
      please note that due to a technical issu...
    • 2025-08-13
      the submission session is now available...
    • 2025-08-13
      please note that due to a technical issu...
    • 2025-08-13
      the submission session is now available...
    Call

    HORIZON-CL4-2025-03

    Call topics are often grouped together in a call. Sometimes this is for a thematic reason, but often it is also for practical reasons.

    There are 20 other topics in this call:

    Source information

    Showing the latest information. Found 6 versions of this call topic in the F&T portal.

    Information from

    • 2025-07-02_03-30-36
    • 2025-06-12_03-30-21
    • 2025-06-10_03-30-11
    • 2025-06-03_03-30-14
    • 2025-05-21_03-30-08
    • 2025-05-16_03-30-07

    Check the differences between the versions.

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    Work Programme info
    Added 6 days ago by Alrun Hauke
    Eligibility for this topic is restricted under art. 22.5 and art. 22.6 of the Horizon Europe regulation (see [1]). Specifically, under art. 22.5, participation for projects under this call topic is restricted to legal entities established in EU member states, Iceland, Norway, Canada, Israel, the Republic of Korea, New Zealand, Switzerland and the United Kingdom. Under art. 22.6, any entities considered high-risk suppliers of mobile network communication equipment are expressly excluded from participating. This currently concerns companies Huawei and ZTE (see [2]) as well as any entities fully or partially owned / controlled by them. As part of the proposal submission for this topic, consortium members have to fill in the ownership control declaration (see pages 1-4 in [3] below). The coordinator has to collect these forms from all partners and submit them as a single appendix to the proposal. The ownership control declarations are examined by the EC as part of the evaluation process. If it is found that a consortium partner is established in one of the eligible countries listed above, but controlled by an entity established in a non-eligible third country, the partner in question will be asked to provide a guarantee (see pages 5-8 of [3] below) during grant agreement preparation which ensures that the EU's strategic interests are protected. The European Commission (EC) will examine this guarantee and - if approved - will forward it to the government of the eligible country of establishment of the partner for national approval. The partner in question may participate in the project only if both the EC and the respective national authority approve the guarantee. If either or both of these bodies do not approve the guarantee, the partner in question will be removed from the consortium during grant agreement preparation. [1] https://eur-lex.europa.eu/eli/reg/2021/695/oj/eng [2] https://digital-strategy.ec.europa.eu/en/library/communication-commission-implementation-5g-cybersecurity-toolbox [3] https://ec.europa.eu/info/funding-tenders/opportunities/docs/2021-2027/common/temp-form/af/ownership-control-declaration_en.docx

    Events

    This is just a very first implementation, better visualisation coming

    Horizon Europe info days - Cluster 4

    2025-05-13 -> 2025-05-14

    online

    This event aims to inform potential applicants about the funding opportunities within the Work Programme 2025 of the Horizon Europe Cluster 4 'Digital, Industry and Space'.

    Horizon Europe Cluster 4 Digital - Face2Face Brokerage 2025

    2025-05-15 -> 2025-10-02

    online

    Ideal-ist, the network of National Contact Points (NCPs) for ICT in Horizon Europe, together with the Enterprise Europe Network invites you to participate in a brokerage event with pre-arranged online Face2Face meetings complementing the Info Days for Horizon Europe Cluster 4.

    This brokerage event is a unique networking opportunity for actors in the DIGITAL field!

    Events are added by the ideal-ist NCP community and are hand-picked. If you would like to suggest an event, please contact idealist@ffg.at.

    Call topic timeline

    What phase of the topic timeline are we in? This timeline contains some suggestions on what are realistic actions you should or could take at this moment. The timeline is based on the information provided by the call topic.

    1. Work programme available

      - 4 months ago

      The call topics are published first in the Work Programme, which is available a while before the call opens. By following up the Work Programme publications, you can get a headstart.

    2. Publication date

      - 2 months ago

      The call was published on the Funding & Tenders Portal.

    3. Opening date

      - 2 months ago

      The call opened for submissions.

    4. Today

    5. Closing date

      - 1 month from now

      Deadline for submitting a project.

    6. Time to inform applicants Estimate

      - 6 months from now

      The maximum time to inform applicants (TTI) of the outcome of the evaluation is five months from the call closure date.

    7. Sign grant agreement Estimate

      - 9 months from now

      The maximum time to sign grant agreements (TTG) is three months from the date of informing applicants.

    Funded Projects

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    Project information comes from CORDIS (for Horizon 2020 and Horizon Europe) and will be sourced from F&T Portal (for Digital Europe projects)

    Bubbles

    This call topic is part of:

    Quantum

    Quantum related stuff