ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,398, issued on Nov. 4, was assigned to PsiQuantum Corp. (Palo Alto, Calif.).
"Phase shifter employing electro-optic material sandwich" 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...