About us
Sparrow Quantum Aps is a privately held company that develops and commercializes quantum light sources as key enabling components of quantum technologies. We are an enthusiastic team of expert entrepreneurs and skilled scientists and engineers with a thrill for quantum photonics and the revolutionary benefits it could bring to society.
Discover Our Team

Field-ready single-photon quantum technology
Sponsor: The Danish Innovation Fund
Collaborators:
- The Niels Bohr Institute
- Aarhus University
- The Technical University of Denmark
- SiPhotonIC
- NanoPHAB
- Swabian Instruments
4-year project
Start: March 2020
End: February 2024

Single-Photon Light Sources for Quantum Technologies
Sponsor: European Innovation Council (EIC)
2-year project
Start: January 2022
End: December 2023

Quantum sensors for metrology based on single-atom-like device technology
Sponsor: European Metrology Programme for Innovation and Research (EMPIR)
Direct collaborators:
- Danish Fundamental Metrology
3-year project
Start: June 2021
End: May 2024

Quantum Cryptography with Single-Photon Sources
Sponsor: The Danish Ministry of Defence
Collaborators:
- The Niels Bohr Institute
- Cryptomathic
3-year project
Start: February 2021
End: January 2024
Our Milestones
First demonstration of control over quantum dot emission
First photonic crystal waveguide single photon source demonstrated
Foundational patent portfolio on deterministic single-photon source technology established
Sparrow Quantum was founded
Sparrow Quantum receives VC seed funding
Sparrow Quantum conducts world’s first on-site operation of integrated single photon source
Sparrow Quantum operating in stealth mode
Sparrow joins the Fire-Q project. Developing field-ready quantum technology
World’s first demonstration of scalable integrated single-photon source enabling quantum advantage
Sparrow Quantum leads the Qrypton project. Demonstrating next generation quantum key distribution systems
Roadmap for scalable photonic quantum information processing with Sparrow Quantum technology
Sparrow Quantum announces major funding through VC partners and EIC Accelerator
What People Say About Us

19 Companies Lighting Up The Quantum Photonics Sector

Quantum Technology In Denmark

The Danish QC Startup With Wings