US Patent Issued to GlobalFoundries U.S. on April 8 for "Optical couplers for transitioning between a single-layer waveguide and a multiple-layer waveguide" (New York Inventors)

ALEXANDRIA, Va., April 9 -- United States Patent no. 12,271,030, issued on April 8, was assigned to GlobalFoundries U.S. Inc. (Malta, N.Y.).

"Optical couplers for transitioning between a single-layer waveguide and a multiple-layer waveguide" was invented by Yusheng Bian (Ballston Lake, N.Y.) and Won Suk Lee (Malta, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Structures for an optical coupler and methods of forming a structure for an optical coupler. The structure comprises a stacked waveguide core including a first waveguide core and a second waveguide core. The first waveguide core includes a first tapered section, and the second waveguide core includes a second tapered section positioned to overlap...