US Patent Issued to International Business Machines on Sept. 23 for "Solving optimization problems with photonic crossbars" (Swiss Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,882, issued on Sept. 23, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Solving optimization problems with photonic crossbars" was invented by Ghazi Sarwat Syed (Zurich) and Abu Sebastian (Adliswil, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention is directed to solving an optimization problem. The method operates a photonic crossbar array structure including N input lines and M output lines, which are interconnected at junctions via NxM photonic memory devices, where Nless than=2 and Mless than=2. The photonic memory devices are programmed to store respective weights in accordance with the optimizati...