ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,514, issued on April 29, was assigned to PSIQUANTUM CORP. (Palo Alto, Calif.).
"Fabrication method for photonic devices" was invented by Nikhil Kumar (Palo Alto, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Electro-optical devices and methods for constructing electro-optical devices such as a switch or phase shifter. An electrode layer is deposited on a substrate layer, a waveguide structure is deposited on the electrode layer, a first cladding layer is deposited on the waveguide structure, and the first cladding layer is planarized and bonded to a wafer. The substrate layer is removed and the electrode layer is etched to split the electrode...