-
公开(公告)号:US11802663B2
公开(公告)日:2023-10-31
申请号:US17144964
申请日:2021-01-08
Applicant: International Business Machines Corporation
Inventor: Antonio Corcoles-Gonzalez , Patryk Gumann , Jerry M. Chow
IPC: F17C3/08
CPC classification number: F17C3/085 , F17C2203/0391
Abstract: Techniques facilitating multiple cryogenic systems sectioned within a common vacuum space are provided. In one example, a cryostat can comprise a plurality of thermal stages and a thermal switch. The plurality of thermal stages can intervene between a 4-Kelvin (K) stage and a Cold Plate stage. The plurality of thermal stages can include a Still stage and an intermediate thermal stage that can be directly coupled mechanically to the Still stage via a support rod. The thermal switch can be coupled to the intermediate thermal stage and an adjacent thermal stage. The thermal switch can facilitate modifying a thermal profile of the cryostat by providing a switchable thermal path between the intermediate thermal stage and the adjacent thermal stage.
-
公开(公告)号:US20230094612A1
公开(公告)日:2023-03-30
申请号:US17490364
申请日:2021-09-30
Applicant: International Business Machines Corporation
Inventor: Edward Hong Chen , Andrew W. Cross , Youngseok Kim , Neereja Sundaresan , Maika Takita , Antonio Corcoles-Gonzalez , Theodore James Yoder
Abstract: Techniques regarding calibrating one or more quantum decoder algorithms are provided. For example, one or more embodiments described herein can comprise a system, which can comprise a memory that can store computer executable components. The system can also comprise a processor, operably coupled to the memory, and that can execute the computer executable components stored in the memory. The computer executable components can comprise a correlation inversion decoder component that can calibrate a quantum decoder algorithm for decoding a quantum error-correcting code by estimating hyperedge probabilities of a decoding hypergraph that are consistent with a syndrome dataset.
-
公开(公告)号:US20200210879A1
公开(公告)日:2020-07-02
申请号:US16810302
申请日:2020-03-05
Applicant: International Business Machines Corporation
Inventor: Paul Kristan Temme , Salvatore Bernardo Olivadese , Antonio Corcoles-Gonzalez , Jay M. Gambetta , Lev Samuel Bishop
Abstract: Systems, computer-implemented methods, and computer program products to facilitate external port measurement of qubit port responses are provided. According to an embodiment, a system can comprise a memory that stores computer executable components and a processor that executes the computer executable components stored in the memory. The computer executable components can comprise an analysis component that can analyze responses of a multi-mode readout device coupled to a qubit. The computer executable components can further comprise an assignment component that can assign a readout state of the qubit based on the responses. In some embodiments, the multi-mode readout device can be electrically coupled to at least one of the qubit or an environment of the qubit based on a defined electrical coupling value.
-
公开(公告)号:US20240020569A1
公开(公告)日:2024-01-18
申请号:US17813082
申请日:2022-07-18
Applicant: International Business Machines Corporation
Inventor: Ken Inoue , MAIKA TAKITA , Antonio Corcoles-Gonzalez , Scott Douglas Lekuch
Abstract: One or more systems, devices, computer program products and/or computer-implemented methods of use provided herein relate to a process to dynamically determine a threshold for determining a state of a qubit and apply the threshold for operating a pulse to de-excite the qubit. A system can comprise a memory that stores computer executable components, and a processor that executes the computer executable components stored in the memory, wherein the computer executable components can comprise a decision component that is configured to determine a threshold of a plurality of thresholds to apply to measurement of a state of a qubit based on a probability distribution of state of the qubit, wherein a measurement at one side of the threshold is representative of the qubit being in the ground state, and wherein a measurement at another side of the threshold is representative of the qubit being in an excited state.
-
公开(公告)号:US11295223B2
公开(公告)日:2022-04-05
申请号:US16185616
申请日:2018-11-09
Applicant: International Business Machines Corporation
Inventor: Antonio Corcoles-Gonzalez , Paul Kristan Temme , Jay M. Gambetta
Abstract: Techniques and a system to facilitate quantum computation are provided. In one example, a system includes a processor that executes computer executable components stored in a memory; a quantum feature map circuit component that estimates a kernel associated with a feature map; and a support vector machine component that performs a classification using the estimated kernel.
-
公开(公告)号:US10305015B1
公开(公告)日:2019-05-28
申请号:US15827718
申请日:2017-11-30
Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
Inventor: Markus Brink , Antonio Corcoles-Gonzalez , Jay M. Gambetta , Sami Rosenblatt , Firat Solgun
IPC: H01L39/22 , G06N99/00 , H01L39/24 , H01P3/08 , H01L25/065
Abstract: A technique relates to a structure. A first surface includes an inductive element of a resonator. A second surface includes a first portion of a capacitive element of the resonator and at least one qubit. A second portion of the capacitive element of the resonator is on the first surface.
-
公开(公告)号:US12099903B2
公开(公告)日:2024-09-24
申请号:US17813082
申请日:2022-07-18
Applicant: International Business Machines Corporation
Inventor: Ken Inoue , Maika Takita , Antonio Corcoles-Gonzalez , Scott Douglas Lekuch
Abstract: One or more systems, devices, computer program products and/or computer-implemented methods of use provided herein relate to a process to dynamically determine a threshold for determining a state of a qubit and apply the threshold for operating a pulse to de-excite the qubit. A system can comprise a memory that stores computer executable components, and a processor that executes the computer executable components stored in the memory, wherein the computer executable components can comprise a decision component that is configured to determine a threshold of a plurality of thresholds to apply to measurement of a state of a qubit based on a probability distribution of state of the qubit, wherein a measurement at one side of the threshold is representative of the qubit being in the ground state, and wherein a measurement at another side of the threshold is representative of the qubit being in an excited state.
-
公开(公告)号:US20240013077A1
公开(公告)日:2024-01-11
申请号:US18183602
申请日:2023-03-14
Applicant: International Business Machines Corporation
Inventor: Ken Inoue , Maika Takita , Antonio Corcoles-Gonzalez , Scott Douglas Lekuch
IPC: G06N10/00 , G06F17/16 , G06N10/20 , G06F18/2411
CPC classification number: G06N10/00 , G06F17/16 , G06N10/20 , G06F18/2411
Abstract: Systems, computer-implemented methods, and computer program products that can facilitate determining a state of a qubit are described. According to an embodiment, a system can comprise a memory that stores computer executable components and a processor that executes the computer executable components stored in the memory. The computer executable components can comprise an output receiving component that can receive, in response to a request, output representative of a quantum state of a qubit of a quantum computing device, and a classifying component that classifies the quantum state of the qubit of the quantum computing device based on the output representative of the quantum state of the qubit. The system can further include a configuring component that can configure the classifying component based on a characteristic of the request.
-
公开(公告)号:US20220147855A1
公开(公告)日:2022-05-12
申请号:US17096170
申请日:2020-11-12
Applicant: International Business Machines Corporation
Inventor: Oliver Dial , Antonio Corcoles-Gonzalez , Maika Takita , David C. Mckay
Abstract: Systems and techniques that facilitate strategic pausing for quantum state leakage mitigation are provided. In various embodiments, a system can comprise a detection component that can detect a quantum state leakage associated with one or more qubits. In various aspects, the system can further comprise a pause component that can, in response to detecting the quantum state leakage, generate a time pause prior to execution of a quantum circuit on the one or more qubits. In various embodiments, the pause component can generate the time pause after execution of a previous quantum circuit on the one or more qubits, where the quantum state leakage arises during the execution of the previous quantum circuit. In some cases, the quantum state leakage can decay during the time pause.
-
公开(公告)号:US11989621B2
公开(公告)日:2024-05-21
申请号:US17369376
申请日:2021-07-07
Applicant: International Business Machines Corporation
Inventor: Moein Malekakhlagh , Jared Barney Hertzberg , Easwar Magesan , Antonio Corcoles-Gonzalez , Maika Takita , David C. Mckay , Jason S. Orcutt
IPC: G06N10/00
CPC classification number: G06N10/00
Abstract: Techniques regarding tiling a CR gate configuration to one or more lattices characterizing quantum circuit topologies are provided. For example, one or more embodiments described herein can comprise a system, which can comprise a memory that can store computer executable components. The system can also comprise a processor, operably coupled to the memory, and that can execute the computer executable components stored in the memory. The computer executable components can comprise a tiling component that can generate a cross-resonance gate configuration that delineates a control qubit assignment and a target qubit assignment in conjunction with a frequency allocation onto a lattice characterizing a quantum circuit topology.
-
-
-
-
-
-
-
-
-