ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,456,515, issued on Oct. 28, was assigned to OXFORD UNIVERSITY INNOVATION Ltd. (Oxford, Great Britain).

"Photonic content addressable memory" was invented by James Tan You Sian (Oxford, Great Britain), Harish Bhaskaran (Oxford, Great Britain) and Johannes Feldmann (Oxford, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A photonic content addressable memory (CAM) (100) is provided. The photonic CAM (100) comprises: N search lines (101) and a plurality of match lines (102), each match line comprising N photonic CAM cells (110). Each search line (101) is configured to receive a search optical signal and each search optical signal comprises a d...