Two-photon quantum interference and entanglement at 2.1 μm

• DOI: 10.1126/sciadv.aay5195
• Publication Date: 2020-03-27T23:15:35Z
• Authors: Shashi Prabhakar; Taylor Shields; Adetunmise C. Dada; Mehdi Ebrahim; Gregor G. Taylor; Dmitry Morozov; Kleanthis Erotokr...; Shigehito Miki; Masahiro Yabuno; Hirotaka Terai; Corin Gawith; Michael Kues; Lucia Caspani; Robert H. Hadfield; Matteo Clerici
• Keywords: Quantum interference; Quantum sensor

Our results show a viable route to free-space quantum-secured communication in an unexplored atmospheric transparency window.