公开(公告)号：US20240346350A1

公开(公告)日：2024-10-17

申请号：US18048574

申请日：2022-10-21

Applicant: Massachusetts Institute of Technology ,  SOCPRA SCIENCES ET GENIE S.E.C., A/S TransferTech Sherbrooke

Inventor： Augustin DI PAOLO ,  William D. OLIVER ,  Catherine LEROUX ,  Alexandre BLAIS

IPC: G06N10/40 ,  H10N60/12

CPC classification number: G06N10/40 ,  H10N60/12

Abstract: A system and method provide two-qubit gates and quantum computing circuits built therefrom. Pairs of qubits are inductively or capacitively coupled using a coupler that is driven using an off-resonant microwave drive. By controlling the drive, the ZZ interaction between the qubits can be precisely controlled. In particular, the interaction may be selectively reduced or suppressed, thereby isolating the qubits from each other, or the interaction may be increased to provide fast, controlled-Z, two-qubit gates with high fidelity. Moreover, qubits and couplers may be arranged according to their resonant frequencies into unit cells and replicated to arbitrary size, thereby forming a quantum computer.