Near-maximal two-photon entanglement for quantum communications at 2.1 $\mu$m

Adetunmise C. Dada, Jędrzej Kaniewski, Corin Gawith +4

Owing to a reduced solar background and low propagation losses in the atmosphere, the 2- to 2.5-$\mu$m waveband is a promising candidate for daylight quantum communication. This spec…