ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,439,724, issued on Oct. 7, was assigned to Wisconsin Alumni Research Foundation (Madison, Wis.) and NewSouth Innovations Pty Ltd. (UNSW Sydney, Australia).
"Silicon-germanium alloy-based quantum dots with increased alloy disorder and enhanced valley splitting" was invented by Mark G. Friesen (Middleton, Wis.), Merritt Losert (Madison, Wis.) and Susan Nan Coppersmith (Redfern, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "Gate-controlled quantum dots based on silicon-germanium (SiGe) alloy heterostructures are provided. Also provided are quantum computing systems incorporating the gate-controlled quantum dots. The quantum dots are formed in a s...