US Patent Issued to International Business Machines on Nov. 11 for "Photonic content-addressable memory and applications thereof" (Swiss Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,469,550, issued on Nov. 11, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Photonic content-addressable memory and applications thereof" was invented by Ghazi Sarwat Syed (Zurich) and Abu Sebastian (Adliswil, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "Photonic content-addressable memories (CAMs) and applications thereof are provided. The CAM includes a photonic cross-bar array comprising a plurality of row and column waveguides, and a plurality of photonic filter devices. Each filter device is selectively programmable in first and second states representing respective stored bit values that filters out light accor...