US Patent Issued to The Boeing on May 27 for "Optical high-power amplifier circuit with switchable polarized output state" (California, Missouri Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,378, issued on May 27, was assigned to The Boeing Co. (Arlington, Va.).

"Optical high-power amplifier circuit with switchable polarized output state" was invented by Yuanjian Xu (Thousand Oaks, Calif.), James Franklin (Manhattan Beach, Calif.), Brian K. Pheiffer (Palos Verdes Estates, Calif.) and Stephen G. Lambert (Maryland Heights, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical high-power amplifier ("OPHA") circuit, e.g., for a spaceborne satellite-based communication network, includes fiberoptic gain and polarization maintenance ("PM") stages, a polarization splitter, first and second photodetectors, and an electronic control unit ...