US Patent Issued on Oct. 14 for "Heterogeneously integrated photonic platform with improved thermal performance" (California Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,906, issued on Oct. 14.

"Heterogeneously integrated photonic platform with improved thermal performance" was invented by Chong Zhang (Santa Barbara, Calif.), Minh Tran (Goleta, Calif.) and Tin Komljenovic (Goleta, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device includes a first element having a passive waveguide structure supporting a first optical mode, a second element providing heat spreading functionality, a third element thermally coupled to the second element, having an active waveguide structure supporting a second optical mode, and a fourth element, at least partly butt-coupled to the third element, having an intermediate wave...