US Patent Issued to Intel on Sept. 8 for "Low loss splitter-combiner waveguide structures in photonic circuits" (California Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,730,259, issued on Sept. 8, was assigned to Intel Corp. (Santa Clara, Calif.).

"Low loss splitter-combiner waveguide structures in photonic circuits" was invented by Boris Vulovic (Campbell, Calif.) and Wenhua Lin (Fremont, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are embodiments of a waveguide structure, comprising: a deep rib waveguide on a slab and a plurality of shallow rib waveguides on the slab. The deep rib waveguide has a first etch-depth, the plurality of shallow rib waveguides has a second etch-depth, and the first etch-depth is greater than the second etch-depth."

The patent was filed on Sept. 8, 2023, under App...