US Patent Issued to LEO SPACE PHOTONICS on April 7 for "Integrated coherent receiver having a single MMI coupler optical hybrid, non-intersecting optical paths and uniform electrical paths" (Greek Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,598,003, issued on April 7, was assigned to LEO SPACE PHOTONICS (Agia Paraskevi, Greece).

"Integrated coherent receiver having a single MMI coupler optical hybrid, non-intersecting optical paths and uniform electrical paths" was invented by Leontios Stampoulidis (Agia Paraskevi, Greece), Ahmed Osman (Agia Paraskevi, Greece) and Ilias Sourikopoulos (Agia Paraskevi, Greece).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coherent receiver optical sub-assembly photonic integrated circuit has optical input ports, electrical output ports, photodetectors, and a single multi-mode interference (MMI) coupler. The optical input ports receive a phase modulated opt...