2004
2004

First demonstration of control over quantum dot emission

Control of spontaneously emitted light lies at the heart of quantum optics. It is essential for diverse applications ranging from miniature lasers and light-emitting diodes, to single-photon sources for quantum information, and to solar energy harvesting…

2008
2008

First photonic crystal waveguide single photon source demonstrated

We present time-resolved spontaneous emission measurements of single quantum dots embedded in photonic crystal waveguides. Quantum dots that couple to a photonic crystal waveguide are found to decay up to 27 times faster than…

2015
2015

Foundational patent portfolio on deterministic single-photon source technology established

2015
2015

Sparrow Quantum was founded

Sparrow Quantum is a Danish quantum technology company dedicated to advancing light-matter interfaces for quantum technologies.

2016
2016

Sparrow Quantum receives pre-seed funding

2017-2020
2017-2020

Sparrow Quantum operating in stealth mode

2020
2020

Sparrow joins the Fire-Q project. Developing field-ready quantum technology

Secure communication and data protection is an increased key focus area on an international as well as national level. Unbreakable and secure communication is furthermore vital within essential fields of…

2020
2020

World’s first demonstration of scalable integrated single-photon source enabling quantum advantage

Photonic qubits are key enablers for quantum information processing deployable across a distributed quantum network. An on-demand and truly scalable source of indistinguishable single photons is the essential component….

2021
2021

Sparrow Quantum leads the Qrypton project. Demonstrating next generation quantum key distribution systems

2021
2021

Sparrow Quantum receives the EIC Accelerator grant

Sparrow Quantum is a commercial endeavour resulting from several years of world class research at the Niels Bohr Institute (University of Copenhagen, Denmark), founded to leverage single-photon light sources into real-world applications….

2022
2022

Sparrow Quantum joins the Micro Transfer Printing for Quantum (mTP4Q) project for prototyping quantum photonic integrated circuits

2023
2023

Sparrow Quantum secures €4.1M in seed funding

Sparrow Quantum Aps. announced today that it had secured 31 million DKK (€4.1m) in seed funding, the largest investment to date in a Danish quantum technology company…