ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,776,629, issued on Oct. 27, was assigned to Google LLC (Mountain View, Calif.).

"Polarization-insensitive optical amplifier" was invented by Massimiliano Salsi (Sunnyvale, Calif.), Valey Kamalov (Gainesville, Fla.), Giorgio Grasso (Lesmo, Italy), Aldo Righetti (Milan) and Alessandro Petocchi (Mirandola, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "Polarization-insensitive optical amplifiers are an alternative to current Erbium Doped Fiber Amplifiers, which provide wideband coverage while remaining cost and space effective for use in submarine cable applications. Polarization-insensitive optical amplifiers are an improvement to current semiconduc...