ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,539, issued on May 26, was assigned to KING ABDULLAH UNIVERSITY OF SCIENCE AND TECHNOLOGY (Thuwal, Saudi Arabia).

"Tunable wavelength gain chip array for sensing and communication" was invented by Boon S. Ooi (Thuwal, Saudi Arabia), Omar Alkhazragi (Thuwal, Saudi Arabia) and Tien Khee Ng (Thuwal, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "An array of surface-emitting gain chips includes a common substrate, plural gain chips formed on the common substrate, each configured to generate a light beam, plural optical couplers, each located on a top surface of a corresponding gain chip of the plural gain chips, plural optical fibers, each c...