ALEXANDRIA, Va., July 7 -- United States Patent no. 12,675,009, issued on July 7, was assigned to HyperLight Corp. (Cambridge, Mass.).

"Electro-optic devices having engineered electrodes" was invented by Prashanta Kharel (Cambridge, Mass.), Mian Zhang (Cambridge, Mass.), Christian Reimer (Wellesley, Mass.), Kevin Luke (Cambridge, Mass.) and Lingyan He (Brookline, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical device including a waveguide and an electrode is described. The waveguide includes at least one optical material having an electro-optic effect. The electrode includes a channel region and extensions protruding from the channel region. The extensions are closer to a portion of the waveg...