US Patent Issued to INTERNATIONAL BUSINESS MACHINES on Feb. 10 for "Multi-mode coupler for quantum gates" (New York Inventor)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,547,919, issued on Feb. 10, was assigned to INTERNATIONAL BUSINESS MACHINES Corp. (Armonk, N.Y.).

"Multi-mode coupler for quantum gates" was invented by Muir Kumph (Croton on Hudson, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques and couplers for managing coupling between qubits are presented. A coupler can be between, and connected to, a first qubit and second qubit. The coupler can comprise three Josephson junctions (JJs). The first and second JJs can be symmetrical, which facilitates creation of a first mode of oscillation and second mode of oscillation opposite of the first mode. Third JJ facilitates a division between the first and ...