US Patent Issued to Tesat-Spacecom on Oct. 21 for "Self-compensating polarization modulator having directional phase shifter" (German Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,969, issued on Oct. 21, was assigned to Tesat-Spacecom GmbH & Co. KG (Backnang, Germany).

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

According to the abstract* released by the U.S. Patent & Trademark Office: "A modulator unit for modulating the phase of a polarization component of an optical signal contains a polarizing beam splitter and a phase shifter. The beam splitter splits an input signal into a first and a second polarization components having different polarization directions and sends the components in opposite directions via an optical ring contain...