US Patent Issued to GlobalFoundries U.S. on April 1 for "Electro-absorption modulators with stacked waveguide tapers" (American, Belgian Inventors)

ALEXANDRIA, Va., April 2 -- United States Patent no. 12,265,255, issued on April 1, was assigned to GlobalFoundries U.S. Inc. (Malta, N.Y.).

"Electro-absorption modulators with stacked waveguide tapers" was invented by Yusheng Bian (Ballston Lake, N.Y.), Steven M. Shank (Jericho, Vt.), Judson Holt (Ballston Lake, N.Y.), Michal Rakowski (Ballston Lake, N.Y.) and Bartlomiej Jan Pawlak (Leuven, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "Structures including an electro-absorption modulator and methods of forming such structures. The structure comprises a waveguide core including a first tapered section, a second tapered section, and a longitudinal axis. The first tapered section and the second tapere...