US Patent Issued to Nokia Solutions and Networks on Dec. 30 for "Differential optical waveguide modulator" (American, German Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,794, issued on Dec. 30, was assigned to Nokia Solutions and Networks Oy (Espoo, Finland).

"Differential optical waveguide modulator" was invented by Alessandro Aimone (Berlin) and Philipp Thomas (Garwood, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A planar electro-optic Mach-Zehnder modulator (MZM) includes two optical waveguide arms and three drive electrodes extending along the optical waveguide arms to modulate light propagating therein. A middle one of the drive electrodes is between the two optical waveguide arms, and the two optical waveguide arms are between outer ones of the drive electrodes. An electrical drive circuit is connected...