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HORIZON-CL4-2026-04-DIGITAL-EMERGING-18

Large-Scale Photonic Quantum Computing Platform Technologies

RIACluster 4€10,000,00015 Apr 2026
Topic CodeHORIZON-CL4-2026-04-DIGITAL-EMERGING-18F&T Portal
Call IdentifierHORIZON-CL4-2026-04Call — DIGITAL (single stage)
InstrumentHORIZON-RIAResearch and Innovation Action
Budget ModelLump SumHORIZON-AG-LS
Funding Rate100%Annex G — RIA = 100%
Page Limit (Part B)45 pagesRIA + lump sum (Annex A)
Evaluation Thresholds3 / 3 / 3 · cum. 10Standard — no override
Expected Projects1~€10M (WP stated)
DestinationAchieving open strategic autonomy in digital and emerging enabling technologiesWP Part 7
Cluster / PillarCluster 4 / Pillar IIDigital, Industry and Space
China EligibilityExcluded ▲RIA excluded; startup-led
Special ConditionsStartup-led ▲EU comms restrictions apply
Verify: Open this topic on the F&T Portal →  ·  Sources: General Annexes 2026-2027, WP Part 7
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Chinese entities are excluded from RIA under this destination.
EU communications network restrictions apply. This startup-led topic is subject to restrictions for the protection of European communication networks.

Expected Outcomes

  1. Large-scale photonic quantum computing platforms are developed, demonstrating European capability in a key quantum computing paradigm.
  2. European startups and research institutions advance photonic quantum computing to competitive technology readiness levels, strengthening EU quantum sovereignty.

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