Nu Quantum

Nu Quantum is a Cambridge, UK-based deep-tech company developing photonic quantum networking hardware spun out of research at the Cavendish Laboratory, University of Cambridge. The company's core technology focuses on single-photon sources, detectors, and routing components — the building blocks of quantum repeater networks that could enable quantum-secure communication over intercontinental distances. Terrestrial fiber-based quantum key distribution (QKD) is limited to roughly 500 km due to photon loss, and cannot be simply amplified (the no-cloning theorem prevents classical signal repeating