US Patent Issued to The Government of the United States of America, as represented by the Secretary of the Navy on Sept. 23 for "Micromechanically-tunable polarization rotator for photonic integrated circuits" (Maryland, Virginia Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,620, issued on Sept. 23, was assigned to The Government of the United States of America, as represented by the Secretary of the Navy (Arlington, Va.).

"Micromechanically-tunable polarization rotator for photonic integrated circuits" was invented by Marcel W. Pruessner (Chevy Chase, Md.), Todd H. Stievater (Arlington, Va.) and Nathan F. Tyndall (Alexandria, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus includes a polarization rotator or a polarization splitter. The polarization rotator and the polarization splitter each includes a first optical waveguide. The polarization rotator further includes a movable symmetry-breaking micro-e...