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Call key data
Core technologies for virtual worlds (Virtual Worlds and Photonics Partnerships)
Funding Program
Horizon Europe: Cluster 4 - Digital, Industry and Space
Call number
HORIZON-CL4-2025-03-HUMAN-14
deadlines
Opening
10.06.2025
Deadline
02.10.2025 17:00
Funding rate
100%
Call budget
€ 43,000,000.00
Estimated EU contribution per project
between € 5,000,000.00 and € 6,000,000.00
Link to the call
Link to the submission
Call content
short description
Virtual worlds will impact the way people live, work, create and share content, the way public administrations interact with citizens as well as the way businesses operate, innovate, produce and interact with customers.
Call objectives
Multimodal interaction and immersion are key dimensions of Virtual Worlds and will be supported by innovative optics and photonics technologies to achieve the full potential of Virtual Worlds core technologies.
A broader adoption of Virtual Worlds will need better and more realistic immersion and interaction, mixing modalities, sensors and actuators for an ever-improved user experience: touch, smell, haptics, etc will be better stimulated, bringing users closer to real-world sensations, serving Virtual Worlds.
Many challenges remain to be addressed to realize optics and photonics technical solutions that offer high-performance, excellent visual quality, high-quality user experience, and sustainable services and devices, for head-mounted displays (HMD), autostereoscopic displays or sensing devices.
Coupled with display and sensing technologies, algorithms and metrics should be considered to exploit the underlying light (transportation) models given the utilized modality and address e.g. scene representation, content generation, compression, transmission, content reconstruction, content-to-display adaptation, or rendering. Moreover, the quality of integration, both from a user and technological perspective, will be essential for a broad adoption of Virtual Worlds.
The Area A proposals under this topic should develop and demonstrate novel applications for Virtual Worlds that combine several modalities and aim to provide seamless and more realistic immersive interactions. Proposals should investigate novel scientific approaches or push the limit of existing ones to improve the synchronization and integration of the different modalities.
Proposals should focus on an enhanced use of multimodal technologies, integrating at least two modalities within an extended reality application. Modalities include haptics and force-feedback, vision, touch, smell, speech, etc.
The Area B proposals should address the development and integration of advanced innovative and high-performance Optics and Photonics technologies for display and sensing devices serving Virtual Worlds.
- For displays further improve current high-end microdisplays regarding power consumption (<1 mW), device efficiency, resolution (8K and beyond, pixel densities > 10kppi), high dynamic range (HDR), colour gamut, contrast and refresh rate holding the promise for truly immersive experiences;
- For sensing devices improve accuracy in diverse lighting conditions and with different eye physiologies.
Special attention should be given to the design and fabrication of suited waveguide optics, holographic elements, diffractive optics, reflective light guides, freeform optics (including micro-optics), or meta-surfaces with optimal optical properties and behaviour; to support the required field of view (FoV), to be lightweight and safe for the user, and provide excellent colour uniformity and high brightness efficiency; to satisfy the use case requirements for both professional use and mass adoption, i.e., be scalable to large volumes and cost-effective; to integrate targeted systems seamlessly into mixed-reality devices without increasing bulk or reducing comfort.
For both Area A and Area B proposals, the quality of integration, both from a user and technological perspective, will be essential for a broad adoption of Virtual Worlds. The proposals should include a focus on human perception and experience, from subjective, objective, and functional perspectives, and take into account EU values such as inclusivity, privacy, security and safety of users and the protection of their personal data, as well as diversity. Solutions should guarantee the privacy and rights of individuals and companies and ensure secure and trustworthy interactions to deliver and enhance uptake of suitable, accurate, ethical and safe solutions.
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Expected effects and impacts
The Consortium should pay attention to developing solutions that are reliable, robust and interoperable. Proposals should leverage existing open standards and technologies in the domain of eXtended Reality, while contributing to ongoing standardisation work. Applications should be tested and anchored in real world environments and aimed at least one application domain.
Proposals should involve the effective contribution of Social Sciences and Humanities (SSH) disciplines and SSH experts, in order to produce meaningful and significant effects enhancing the societal impact of the related research activities.
This topic is implemented through a joint effort from the co-programmed European Partnership for Virtual Worlds and the Photonics Partnership and all proposals are expected to allocate tasks for cohesion activities with both partnerships, including the CSA HORIZON-CL4-2025-03-HUMAN-17: Specific support for the Virtual Worlds Partnership and the Web 4.0 initiative.
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Expected results
Proposals are expected to contribute to developing core technologies for Virtual Worlds, with a focus on better, more realistic and more performant interaction and immersion, at application and components levels. The following outcomes are expected:
- Area A: Better and more realistic immersion through multimodal interaction. Project results are expected to contribute to the following expected outcome:
- Improvement of the multimodal immersion experience combining eXtended Reality with advanced and innovative technologies.
- Area B: Innovative photonics technologies for projection, sensing and perception in virtual worlds. Project results are expected to contribute to the following expected outcome:
- Improved performance of microdisplays or sensing devices serving Virtual Worlds by using innovative Optics and Photonics technologies.
Proposals are expected to focus on either Area A or Area B. The area should be clearly identified within the proposal. Special attention will be given to proposals (whether Area A or Area B) including transdisciplinary research in order to deliver and enhance uptake of suitable, accurate, ethical and safe solutions.
Proposed applications should aim at increasing awareness, acceptance and adoption of virtual worlds applications across sectors.
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Eligibility Criteria
Regions / countries for funding
Moldova (Moldova), Albania (Shqipëria), Armenia (Հայաստան), Bosnia and Herzegovina (Bosna i Hercegovina / Босна и Херцеговина), Canada, Faeroes (Føroyar / Færøerne), Georgia (საქართველო), Iceland (Ísland), Israel (ישראל / إِسْرَائِيل), Kosovo (Kosova/Kosovë / Косово), Montenegro (Црна Гора), Morocco (المغرب), New Zealand (Aotearoa), North Macedonia (Северна Македонија), Norway (Norge), Serbia (Srbija/Сpбија), Switzerland (Schweiz/Suisse/Svizzera), Tunisia (تونس /Tūnis), Türkiye, Ukraine (Україна), United Kingdom
eligible entities
EU Body, Education and training institution, Non-Profit Organisation (NPO) / Non-Governmental Organisation (NGO), Other, Private institution, incl. private company (private for profit), Public Body (national, regional and local; incl. EGTCs), Research Institution incl. University, Small and medium-sized enterprise (SME)
Mandatory partnership
Yes
Project Partnership
To be eligible for funding, applicants must be established in one of the following countries:
- the Member States of the European Union, including their outermost regions
- the Overseas Countries and Territories (OCTs) linked to the Member States
- countries associated to Horizon Europe - see list of particpating countries
Only legal entities forming a consortium are eligible to participate in actions provided that the consortium includes, as beneficiaries, three legal entities independent from each other and each established in a different country as follows:
- at least one independent legal entity established in a Member State; and
- at least two other independent legal entities, each established in different Member States or Associated Countries.
Any legal entity, regardless of its place of establishment, including legal entities from non-associated third countries or international organisations (including international European research organisations) is eligible to participate (whether it is eligible for funding or not), provided that the conditions laid down in the Horizon Europe Regulation have been met, along with any other conditions laid down in the specific call topic.
A ‘legal entity’ means any natural or legal person created and recognised as such under national law, EU law or international law, which has legal personality and which may, acting in its own name, exercise rights and be subject to obligations, or an entity without legal personality.
Specific cases:
- Affiliated entities (i.e. entities with a legal or capital link to a beneficiary which participate in the action with similar rights and obligations to the beneficiaries, but which do not sign the grant agreement and therefore do not become beneficiaries themselves) are allowed, if they are eligible for participation and funding.
- Associated partners (i.e. entities which participate in the action without signing the grant agreement, and without the right to charge costs or claim contributions) are allowed, subject to any conditions regarding associated partners set out in the specific call conditions.
- Entities which do not have legal personality under their national law may exceptionally participate, provided that their representatives have the capacity to undertake legal obligations on their behalf, and offer guarantees to protect the EU’s financial interests equivalent to those offered by legal persons.
- Legal entities created under EU law (EU bodies) including decentralised agencies may be part of the consortium, unless provided for otherwise in their basic act.
- International European research organisations are eligible to receive funding. International organisations with headquarters in a Member State or Associated Country are eligible to receive funding for ‘Training and mobility’ actions or when provided for in the specific call/topic conditions. Other international organisations are not eligible to receive funding, unless provided for in the specific call/topic conditions, or if their participation is considered essential for implementing the action by the granting authority.
- Joint Research Centre (JRC)— Where provided for in the specific call conditions, applicants may include in their proposals the possible contribution of the JRC but the JRC will not participate in the preparation and submission of the proposal. Applicants will indicate the contribution that the JRC could bring to the project based on the scope of the topic text. After the evaluation process, the JRC and the consortium selected for funding may come to an agreement on the specific terms of the participation of the JRC. If an agreement is found, the JRC may accede to the grant agreement as beneficiary requesting zero funding or participate as an associated partner, and would accede to the consortium as a member.
- Associations and interest groupings — Entities composed of members (e.g. European research infrastructure consortia (ERICs)) may participate as ‘sole beneficiaries’ or ‘beneficiaries without legal personality’. However, if the action is in practice implemented by the individual members, those members should also participate (either as beneficiaries or as affiliated entities, otherwise their costs will NOT be eligible.
- EU restrictive measures — Entities subject to EU restrictive measures under Article 29 of the Treaty on the European Union (TEU) and Article 215 of the Treaty on the Functioning of the EU (TFEU) as well as Article 75 TFEU, are not eligible to participate in any capacity, including as beneficiaries, affiliated entities, associated partners, third parties giving in-kind contributions, subcontractors or recipients of financial support to third parties (if any).
- Legal entities established in Russia, Belarus, or in non-government controlled territories of Ukraine — Given the illegal invasion of Ukraine by Russia and the involvement of Belarus, there is currently no appropriate context allowing the implementation of the actions foreseen in this programme with legal entities established in Russia, Belarus, or in non-government controlled territories of Ukraine. Therefore, even where such entities are not subject to EU restrictive measures, such legal entities are not eligible to participate in any capacity. This includes participation as beneficiaries, affiliated entities, associated partners, third parties giving in-kind contributions, subcontractors or recipients of financial support to third parties (if any). Exceptions may be granted on a case-by-case basis for justified reasons.
With specific regard to measures addressed to Russia, following the adoption of the Council Regulation (EU) 2024/1745 of 24 June 2024 (amending Council Regulation (EU) No 833/2014 of 31 July 2014) concerning restrictive measures in view of Russia’s actions destabilising the situation in Ukraine, legal entities established outside Russia but whose proprietary rights are directly or indirectly owned for more than 50% by a legal person, entity or body established in Russia are also not eligible to participate in any capacity. - Measures for the protection of the Union budget against breaches of the principles of the rule of law in Hungary — Following the Council Implementing Decision (EU) 2022/2506, as of 16 December 2022, no legal commitments can be entered into with Hungarian public interest trusts established under the Hungarian Act IX of 2021 or any entity they maintain. Affected entities may continue to apply to calls for proposals and can participate without receiving EU funding, as associated partners, if allowed by the call conditions. However, as long as the Council measures are not lifted, such entities are not eligible to participate in any funded role (beneficiaries, affiliated entities, subcontractors, recipients of financial support to third parties, etc.).In case of multi-beneficiary grant calls, applicants will be invited to remove or replace that entity in any funded role and/or to change its status into associated partner. Tasks and budget may be redistributed accordingly.
other eligibility criteria
Subject to restrictions for the protection of European communication networks.
Additional information
Topics
Relevance for EU Macro-Region
EUSDR - EU Strategy for the Danube Region, EUSBSR - EU Strategy for the Baltic Sea Region, EUSALP - EU Strategy for the Alpine Space, EUSAIR - EU Strategy for the Adriatic and Ionian Region
UN Sustainable Development Goals (UN-SDGs)
project duration
36 months
Additional Information
Applications must be submitted electronically via the Funders & Tenders Portal electronic submission system (accessible via the topic page in the Search Funding & Tenders section). Paper submissions are NOT possible.
Applications must be submitted using the forms provided inside the electronic submission system (not the templates available on the topic page, which are only for information). The structure and presentation must correspond to the instructions given in the forms.
Applications must be complete and contain all parts and mandatory annexes and supporting documents.
The application form will have two parts:
- Part A (to be filled in directly online) contains administrative information about the applicant organisations (future coordinator and beneficiaries and affiliated entities), the summarised budget for the proposal and call-specific questions;
- Part B (to be downloaded from the Portal submission system, completed and then assembled and re-uploaded as a PDF in the system) contains the technical description of the project.
Annexes and supporting documents will be directly available in the submission system and must be uploaded as PDF files (or other formats allowed by the system).
The limit for a full application (Part B) is 45 pages.
Activities are expected to start at TRL 3 and achieve TRL 5 by the end of the project.
To ensure a balanced portfolio covering the two areas described, grants will be awarded to applications not only in order of ranking but at least also to two proposals that are the highest ranked within each of the two areas described, provided that the applications attain all thresholds.
Call documents
Horizon Europe Work Programme 2025 Cluster 4 - Digital, Industry and SpaceHorizon Europe Work Programme 2025 Cluster 4 - Digital, Industry and Space(kB)
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