Sparrow Quantum: Pioneering On-Chip Single-Photon Sources for Europe’s Quantum Future

Introduction: In a quiet laboratory beneath the historic Niels Bohr Institute in Copenhagen, a small team of physicists is forging a key piece of Europe’s quantum future. Sparrow Quantum, a Danish deep-tech startup, has emerged from decades of academic research to commercialize a tiny chip that emits single photons – the fundamental particles of light –…