ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,482, issued on May 20, was assigned to HyperLight Corp. (Cambridge, Mass.).

"Velocity matched electro-optic devices" was invented by Prashanta Kharel (Cambridge, Mass.), Mian Zhang (Cambridge, Mass.) and Christian Reimer (Wellesley, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A velocity mismatch between optical signals and microwave electrical signals in electro-optic devices, such as modulators, may be compensated by utilizing different lengths of bends in the optical waveguides as compared to the microwave electrodes to match the velocity of the microwave signal propagating along the coplanar waveguide to the velocity of the optical signa...