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Deterministic photonic quantum technology company
sparrowquantum.comLast updated
In short: Sparrow Quantum secured €27.5 million in Series A funding and set a record by delivering 500 million usable photons per second.
The engineering breakthrough delivers over five hundred million photons per second into optical fiber while maintaining high purity and indistinguishability for scalable systems.
Previously Denmark's Tech Ambassador, she will lead commercial and international positioning.
The achievement enables bright, coherent single-photon emission, bridging quantum emitters with silicon photonics and fiber infrastructure. Partners include Ruhr University Bochum, University of Basel, and Niels Bohr Institute.
It reviews operational principles and presents prototype data with 99.9% purity, 97.1% indistinguishability, and 55.3% efficiency.
Researchers developed a deterministic source that delivers more than 500 million usable photons per second into optical fiber.
A quantum-dot-based photon emitter producing highly identical single photons at telecom wavelengths, offering stable, ...
The company’s core product, Sparrow Core, is already in use by several technology companies in Europe. The technology is a key element in photonic quantum...
Dec. 1, 2025 — With the completion of its Series A round totaling €27.5 million, Sparrow Quantum has taken a decisive step toward making...
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