US Patent Issued to Aeva on Dec. 30 for "Polarization splitter-rotator having silicon based waveguide with silicon nitride segment" (California, Texas Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,641, issued on Dec. 30, was assigned to Aeva Inc. (Mountain View, Calif.).

"Polarization splitter-rotator having silicon based waveguide with silicon nitride segment" was invented by Bing Shen (Sunnyvale, Calif.), Kevin Masuda (Alhambra, Calif.), Brett E. Huff (Keller, Texas) and Pradeep Srinivasan (Fremont, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polarization splitter-rotator (PSR) is described. The PSR having a silicon nitride based waveguide including a first silicon nitride segment comprising a tapered width in a longitudinal direction and a ridge extending in a transverse direction and an adiabatic coupler coupled with the first...