S. K. Joshi et al “A trusted-node-free eight-user metropolitan quantum communication network,” in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optical Society of America, 2020), paper STh4G.1.
Complex quantum networks are vital for quantum technologies. Entanglement based networks are the most versatile in terms of supported applications (including beyond just quantum communication). Here we present an 8 user city wide entanglement network.