ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,620, issued on Oct. 21, was assigned to PsiQuantum Corp. (Palo Alto, Calif.).
"Structure and method to remove semiconductor chip material for optical signal access to a photonic chip" was invented by George A. Kovall (Campbell, Calif.), Takashi Orimoto (Cupertino, Calif.), Gabriel Mendoza (San Francisco), Vimal Kamineni (Mechanicville, N.Y.), Himani Kamineni (Mechanicville, N.Y.) and Luu Nguyen (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device includes a photonic integrated circuit (PIC) die and an electronic integrated circuit (EIC) die bonded to the PIC die. The PIC die includes a waveguide layer including a waveguide and a...