US Patent Issued to Tesat-Spacecom on May 26 for "Self-compensating polarization modulator" (German Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,813, issued on May 26, was assigned to Tesat-Spacecom GmbH & Co. KG (Backnang, Germany).

"Self-compensating polarization modulator" was invented by Julian Struck (Backnang, Germany) and Thomas Hiemstra (Backnang, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A modulator unit for modulating the polarization of an optical signal includes a light source, a polarization-dependent phase modulator, and a reflector. The light source outputs an optical signal and emits it as the input signal directed at the phase modulator. The optical signal contains a first and a second polarization components having a first and a second polarization directions, r...