公开(公告)号：GB2628721A8

公开(公告)日：2025-04-09

申请号：GB202407066

申请日：2022-08-23

Applicant: IBM

Inventor： ABHINAV KANDALA ,  DAVID MCKAY ,  SRIKANTH SRINIVASAN ,  EASWAR MAGESAN ,  JAY GAMBETTA

IPC: G06N10/70

Abstract: Systems and techniques that facilitate Stark shift cancellation are provided. In various embodiments, a system can comprise a control qubit that is coupled to a target qubit. In various cases, the control qubit can be driven by a first tone that entangles the control qubit with the target qubit. In various aspects, the control qubit can be further driven by a second tone simultaneously with the first tone. In various cases, the second tone can have an opposite detuning sign than the first tone. In various instances, the first tone can cause a Stark shift in an operational frequency of the control qubit, and the second tone can cancel the Stark shift.

公开(公告)号：GB2628721B

公开(公告)日：2025-05-07

申请号：GB202407066

申请日：2022-08-23

Applicant: IBM

Inventor： ABHINAV KANDALA ,  DAVID MCKAY ,  SRIKANTH SRINIVASAN ,  EASWAR MAGESAN ,  JAY GAMBETTA

IPC: G06N10/70

Abstract: Systems and techniques that facilitate Stark shift cancellation are provided. In various embodiments, a system can comprise a control qubit that is coupled to a target qubit. In various cases, the control qubit can be driven by a first tone that entangles the control qubit with the target qubit. In various aspects, the control qubit can be further driven by a second tone simultaneously with the first tone. In various cases, the second tone can have an opposite detuning sign than the first tone. In various instances, the first tone can cause a Stark shift in an operational frequency of the control qubit, and the second tone can cancel the Stark shift.

公开(公告)号：GB2574552A

公开(公告)日：2019-12-11

申请号：GB201913518

申请日：2017-11-24

Applicant: IBM

Inventor： BALEEGH ABDO ,  JARED BARNEY HERTZBERG ,  EASWAR MAGESAN ,  JAY GAMBETTA

IPC: H01L29/06

Abstract: A technique relates to a superconducting quantum device. A fixed frequency transmon qubit (110A) is provided. A tunable frequency transmon qubit (110B) is provided. The fixed frequency transmon qubit (110A) is coupled to the tunable frequency transmon qubit (110B) to form a single qubit (100).

公开(公告)号：GB2628721A

公开(公告)日：2024-10-02

申请号：GB202407066

申请日：2022-08-23

Applicant: IBM

Inventor： ABHINAV KANDALA ,  DAVID MCKAY ,  SHRIKANTH SRINIVASEN ,  EASWAR MAGESAN ,  JAY GAMBETTA

IPC: G06N10/70

Abstract: Systems and techniques that facilitate Stark shift cancellation are provided. In various embodiments, a system can comprise a control qubit that is coupled to a target qubit. In various cases, the control qubit can be driven by a first tone that entangles the control qubit with the target qubit. In various aspects, the control qubit can be further driven by a second tone simultaneously with the first tone. In various cases, the second tone can have an opposite detuning sign than the first tone. In various instances, the first tone can cause a Stark shift in an operational frequency of the control qubit, and the second tone can cancel the Stark shift.

公开(公告)号：GB2574552B

公开(公告)日：2022-02-16

申请号：GB201913518

申请日：2017-11-24

Applicant: IBM

Inventor： BALEEGH ABDO ,  JARED BARNEY HERTZBERG ,  EASWAR MAGESAN ,  JAY GAMBETTA

IPC: H01L39/22 ,  B82Y10/00 ,  G06N10/00

Abstract: A technique relates to providing a superconducting quantum device. A fixed frequency transmon qubit is provided. A tunable frequency transmon qubit is provided. The fixed frequency transmon qubit is coupled to the tunable frequency transmon qubit to form a single qubit.