ALEXANDRIA, Va., July 30 -- United States Patent no. 12,374,855, issued on July 29, was assigned to Lightmatter Inc. (Boston).

"Fiber-coupled laser light source" was invented by Shashank Gupta (Newton, Mass.), Michael Gould (Woburn, Mass.), James Carr (Tewksbury, Mass.), Nicholas C. Harris (Boston), Sven Mahnkopf (Maple Glen, Pa.) and David Demmer (Toronto).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are photonic sources and related system architectures that can satisfy the optical power requirements of large photonic accelerators. Some embodiments relate to a computer comprising a photonic accelerator configured to perform matrix multiplication; a fiber array optically coupled to the phot...