US Patent Issued to Google on March 18 for "Polarization-folding coherent optical technology for short reach optical communication" (California Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,692, issued on March 18, was assigned to Google LLC (Mountain View, Calif.).

"Polarization-folding coherent optical technology for short reach optical communication" was invented by Xiang Zhou (Sunnyvale, Calif.), Cedric F. Lam (San Jose, Calif.), Ryohei Urata (San Carlos, Calif.) and Hong Liu (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Coherent optical communications technology for recovery of 1D and 2D formatted optical signals. For example, 1D or 2D formatted signals that travel through fiber optic media may be recovered by separating the light into X- and Y-polarization components, rotating one polarization component (e.g....