Company · Europe

Sparrow Quantum

Deterministic single-photon sources and photonic chips. A €21.5 million raise. Sole Danish pick for the EU Quantum Grand Challenge and a pillar lead in the €50 million P4Q photonic pilot line. September 2026 claims of record photon flux (more than 500 million photons per second into fibre).

Photonic

Company-asserted Photon flux >500 million/s into fibre (Sep 2026 claim)

Location
Copenhagen, Denmark
Region
Europe
Stage
Private
People
Niels Bohr Institute spinout; Søren Stobbe is associated with the photonic science base
Funding
Reported A €21.5 million raise. Sole Danish pick for the EU Quantum Grand Challenge.
Website
https://sparrowquantum.com/

Sources

Links are the organisation’s site or a primary page checked for this revision. They are not an audit of every figure in the summary.

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