US Patent Issued to The Government of the United States of America, as represented by the Secretary of the Navy on June 2 for "Methods and apparatuses for photonic filtering using nonuniform lattice filters" (Virginia Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,645,029, issued on June 2, was assigned to The Government of the United States of America, as represented by the Secretary of the Navy (Arlington, Va.).

"Methods and apparatuses for photonic filtering using nonuniform lattice filters" was invented by Todd H. Stievater (Arlington, Va.) and Nathan Tyndall (Alexandria, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Method and apparatuses for photonic filtering using n-stage nonuniform lattice filters are provided. The n-stage nonuniform lattice filters include a plurality of directional coupler-differential delay devices connected in series. Each device includes a directional coupler section and a diffe...