ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,743,649, issued on Sept. 22, was assigned to Massachusetts Institute of Technology (Cambridge, Mass.).

"High density fiber optic packaging for cryogenic applications" was invented by William John Nowak (Waltham, Mass.), John D. Cummings (Stoneham, Mass.), Paul Benjamin Dixon (Arlington, Mass.), Ryan P. Murphy (Cambridge, Mass.) and David Starling (Cambridge, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A quantum network may use long-lived quantum memories with optical interfaces incorporated into a scalable architecture. Color-center quantum emitters in diamond have emerged as a promising quantum-memory modality due to their optical properties ...