公开(公告)号：IL295270B2

公开(公告)日：2025-03-01

申请号：IL29527022

申请日：2022-08-01

Applicant: IBM ,  BALEEGH ABDO

Inventor： BALEEGH ABDO

IPC: G06N10/00

Abstract: A technique relates to a pulse shaping of microwave signals. A nondegenerate mixing device receives signals and a time-varying magnetic flux via input ports. The nondegenerate mixing device uses the signals and the time-varying magnetic flux to generate an output signal on an output port, the output signal having a waveform profile set by the time-varying magnetic flux.

公开(公告)号：GB2598059A

公开(公告)日：2022-02-16

申请号：GB202115090

申请日：2017-11-09

Applicant: IBM

Inventor： BALEEGH ABDO ,  JERRY CHOW

IPC: G06N10/00 ,  H03K17/92

Abstract: A system for qubit drive and readout comprises: a lossless, e.g. superconducting, microwave signal distributer and a lossless, e.g. superconducting, microwave switch connected to a quantum system. A first input is connectable to the signal distributer. A second input is connectable to the switch. The first input is configured to read out qubit state from the quantum system via the lossless microwave signal distributor. The system may further comprise a first circulator to connect the first input and a quantum-limited amplifier to the signal distributer. A second circulator may be provided to connect the second input and a load dump to the microwave switch. The quantum system may include qubits each connected individually to its own readout resonator at its own port, each qubit having a qubit frequency, all of the qubits may be driven by the microwave switch and read via the signal distributor. A microwave signal combiner may also be connected to the quantum system and the first input may read out the qubit state via the signal combiner as well as the signal distributor. The signal combiner may comprise an amplifier.

公开(公告)号：GB2581920B

公开(公告)日：2021-11-17

申请号：GB202007494

申请日：2017-12-15

Applicant: IBM

Inventor： BALEEGH ABDO

IPC: H01P3/08 ,  H03D7/00

Abstract: A microwave isolator device includes two nondegenerate microwave mixer devices, each mixer configured to receive a microwave input of an input frequency via a first port and to generate an idler signal of an idler frequency at a second port. The second ports of both mixers are coupled together. A first input/output (I/O) port is coupled to the first ports of the two mixers, and a second I/O port is also coupled to the first ports of the two mixers. A microwave signal (signal) communicated between the first I/O port and the second I/O port is transmitted while propagating in a first direction between the first I/O port to the second I/O port through the first mixer and the second mixer and to be blocked while propagating in a second direction between the second I/O port to the first I/O through the first mixer and the second mixer.

公开(公告)号：GB2581299A

公开(公告)日：2020-08-12

申请号：GB202006534

申请日：2017-11-23

Applicant: IBM

Inventor： BALEEGH ABDO

IPC: H01P1/10 ,  H01P1/18 ,  H01P5/18 ,  H03K17/92

Abstract: A microwave switch(400) comprises a first nondegenerate device(402_1) which includes a first port and a second port. A second nondegenerate device(402_2) includes another first port and another second port, the second port being coupled to the another second port, where the first nondegenerate device(402_1) and the second nondegenerate device(402_2) are configured to receive a phase difference in microwave drives. A first input/output port is coupled to the first port and the another first port. A second input/output port is coupled to the first port and the another first port, where communication between the first input/output port and the second input/output port is based on the phase difference.

公开(公告)号：GB2569511A

公开(公告)日：2019-06-19

申请号：GB201905374

申请日：2017-11-13

Applicant: IBM

Inventor： BALEEGH ABDO

IPC: H01P5/18 ,  G01R23/02

Abstract: A technique relates to a microwave detection device. A quantum non-demolition microwave photon detector(100) is connected to a quadrature microwave hybrid(210) coupler connected. A dispersive nonlinear element is coupled to the quadrature microwave hybrid coupler.

公开(公告)号：GB2598059B

公开(公告)日：2022-05-18

申请号：GB202115090

申请日：2017-11-09

Applicant: IBM

Inventor： BALEEGH ABDO ,  JERRY CHOW

IPC: G06N10/00 ,  H03K17/92

Abstract: A technique relates to qubit drive and readout. A first lossless microwave switch is connected to a quantum system. A second lossless microwave switch is connectable to the first lossless microwave switch. A quantum-limited amplifier is connectable to the second lossless microwave switch.

公开(公告)号：GB2569489B

公开(公告)日：2022-03-02

申请号：GB201904776

申请日：2017-11-10

Applicant: IBM

Inventor： BALEEGH ABDO

IPC: H03K17/92

Abstract: A technique relates to a quantum-limited microwave amplifier. A Josephson ring modulator (JRM) is connected to a first lumped-element resonator. The first lumped-element resonator includes one or more first lumped elements. A second lumped-element resonator is connected to the JRM, and the second lumped-element resonator includes one or more second lumped elements. The JRM, the first lumped-element resonator, and the second-lumped element resonator form a Josephson parametric converter (JPC). The one or more first lumped elements and the one or more second lumped elements have a value that is the same, thereby configuring the JPC to be spectrally degenerate.

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.

公开(公告)号：GB2581299B

公开(公告)日：2021-06-23

申请号：GB202006534

申请日：2017-11-23

Applicant: IBM

Inventor： BALEEGH ABDO

IPC: H01P1/10 ,  H01P1/18 ,  H01P5/18 ,  H03K17/92

Abstract: A technique relates to a microwave switch. A first nondegenerate device includes a first port and a second port. A second nondegenerate device includes another first port and another second port, the second port being coupled to the another second port, where the first nondegenerate device and the second nondegenerate device are configured to receive a phase difference in microwave drives. A first input/output port is coupled to the first port and the another first port. A second input/output port is coupled to the first port and the another first port, where communication between the first input/output port and the second input/output port is based on the phase difference.

公开(公告)号：GB2585459A

公开(公告)日：2021-01-13

申请号：GB202006397

申请日：2017-11-28

Applicant: IBM

Inventor： BALEEGH ABDO

IPC: H03K17/92

Abstract: A lossless multiple microwave device includes a first port, a plurality of ports operable to communicatively couple one at a time to the first port according to a pump drive.