US Patent Issued to National Technology & Engineering Solutions of Sandia on Aug. 4 for "Tin as nuclear spin qubit in silicon" (New Mexico Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,701,752, issued on Aug. 4, was assigned to National Technology & Engineering Solutions of Sandia LLC (Albuquerque, N.M.).

"Tin as nuclear spin qubit in silicon" was invented by Wayne Witzel (Albuquerque, N.M.), Dwight Ryan Luhman (Albuquerque, N.M.) and Jesse James Lutz (Albuquerque, N.M.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Coupling qubits is provided. The method comprises embedding a tin atom in a silicon substrate and forming a number of quantum dot electrodes over the silicon substrate. The quantum dot electrodes draw an electron from an electron source into the silicon substrate and performing an electron-nuclear controlled-phase gate oper...