US Patent Issued to OpenLight Photonics on May 12 for "Waveguide transitions for hybrid thin-silicon/III-V photonics" (California Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,319, issued on May 12, was assigned to OpenLight Photonics Inc. (Goleta, Calif.).

"Waveguide transitions for hybrid thin-silicon/III-V photonics" was invented by Han Yun (Santa Clara, Calif.), Erik Johan Norberg (Santa Barbara, Calif.) and John Parker (Goleta, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device comprises a substrate having lower and upper silicon layers separated by a lower dielectric layer and a III-V structure bonded to the substrate, with first, second, and third sections along an optical axis. The first section comprises a first upper waveguide segment of the upper silicon layer, increasing in width from a first width ...