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公开(公告)号：US20230394342A1
公开(公告)日：2023-12-07
申请号：US18155903
申请日：2023-01-18
申请人： Rigetti & Co, LLC
发明人： Benjamin Jacob Bloom , Shane Arthur Caldwell , Michael James Curtis , Matthew J. Reagor , Chad Tyler Rigetti , Eyob A. Sete , William J. Zeng , Peter Jonathan Karalekas , Nikolas Anton Tezak , Nasser Alidoust
IPC分类号： G06N10/00 , H03K19/195
CPC分类号： G06N10/00 , H03K19/195
摘要： In a general aspect, calibration is performed in a quantum computing system. In some cases, domains of a quantum computing system are identified, where the domains include respective domain control subsystems and respective subsets of quantum circuit devices in a quantum processor of the quantum computing system. Sets of measurements are obtained from one of the domains and stored in memory. Device characteristics of the quantum circuit devices of the domain are obtained based on the set of measurements, and the device characteristics are stored in a memory of the control system. Quantum logic control parameters for the subset of quantum circuit devices of the domain are obtained based on the set of measurements and stored in memory.
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公开(公告)号：US11977956B2
公开(公告)日：2024-05-07
申请号：US18155903
申请日：2023-01-18
申请人： Rigetti & Co, LLC
发明人： Benjamin Jacob Bloom , Shane Arthur Caldwell , Michael James Curtis , Matthew J. Reagor , Chad Tyler Rigetti , Eyob A. Sete , William J. Zeng , Peter Jonathan Karalekas , Nikolas Anton Tezak , Nasser Alidoust
IPC分类号： G06N10/70 , G06N10/00 , G06N10/40 , H03K19/195
CPC分类号： G06N10/70 , G06N10/00 , G06N10/40 , H03K19/195
摘要： In a general aspect, calibration is performed in a quantum computing system. In some cases, domains of a quantum computing system are identified, where the domains include respective domain control subsystems and respective subsets of quantum circuit devices in a quantum processor of the quantum computing system. Sets of measurements are obtained from one of the domains and stored in memory. Device characteristics of the quantum circuit devices of the domain are obtained based on the set of measurements, and the device characteristics are stored in a memory of the control system. Quantum logic control parameters for the subset of quantum circuit devices of the domain are obtained based on the set of measurements and stored in memory.
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公开(公告)号：US20220366288A1
公开(公告)日：2022-11-17
申请号：US17549434
申请日：2021-12-13
申请人： Rigetti & Co, LLC
发明人： Matthew J. Reagor , William J. Zeng , Michael Justin Gerchick Scheer , Benjamin Jacob Bloom , Nikolas Anton Tezak , Nicolas Didier , Christopher Butler Osborn , Chad Tyler Rigetti
IPC分类号： G06N10/00 , G06F15/82 , H03K19/195 , G06F15/76
摘要： In a general aspect, a quantum computing method is described. In some aspects, a control system in a quantum computing system assigns subsets of qubit devices in a quantum processor to respective cores. The control system identifies boundary qubit devices residing between the cores in the quantum processor and generates control sequences for each respective core. A signal delivery system in communication with the control system and the quantum processor receives control signals to execute the control sequences, and the control signals are applied to the respective cores in the quantum processor.
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公开(公告)号：US12033032B2
公开(公告)日：2024-07-09
申请号：US17119089
申请日：2020-12-11
申请人： Rigetti & Co, LLC
发明人： Michael Justin Gerchick Scheer , Maxwell Benjamin Block , Benjamin Jacob Bloom , Matthew J. Reagor , Alexander Papageorge , Kamal Yadav , Nasser Alidoust , Colm Andrew Ryan , Shane Arthur Caldwell , Yuvraj Mohan , Anthony Polloreno , John Morrison Macaulay , Blake Robert Johnson
IPC分类号： G06F15/78 , G06F30/373 , G06F30/392 , G06F30/3947 , G06N10/40
CPC分类号： G06N10/40 , G06F15/7896 , G06F30/373 , G06F30/392 , G06F30/3947
摘要： In a general aspect, a quantum processor has a modular architecture. In some aspects, a modular quantum processor includes first and second quantum processor chips and a cap structure. The first quantum processor chip is supported on a substrate layer and includes a first plurality of qubit devices. The second quantum processor chip is supported on the substrate layer and includes a second plurality of qubit devices. The cap structure is supported on the first and second quantum processor chips and includes a coupler device that provides coupling between at least one of the first plurality of qubit devices with at least one of the second plurality of qubit devices. In some instances, the coupler device is an active coupler device that is configured to selectively couple at least one of the first plurality of qubit devices with at least one of the second plurality of qubit devices.
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公开(公告)号：US11954562B2
公开(公告)日：2024-04-09
申请号：US17549434
申请日：2021-12-13
申请人： Rigetti & Co, LLC
发明人： Matthew J. Reagor , William J. Zeng , Michael Justin Gerchick Scheer , Benjamin Jacob Bloom , Nikolas Anton Tezak , Nicolas Didier , Christopher Butler Osborn , Chad Tyler Rigetti
IPC分类号： G06F8/40 , G06F15/76 , G06F15/82 , G06N10/00 , H03K19/195
CPC分类号： G06N10/00 , G06F15/76 , G06F15/82 , H03K19/195
摘要： In a general aspect, a quantum computing method is described. In some aspects, a control system in a quantum computing system assigns subsets of qubit devices in a quantum processor to respective cores. The control system identifies boundary qubit devices residing between the cores in the quantum processor and generates control sequences for each respective core. A signal delivery system in communication with the control system and the quantum processor receives control signals to execute the control sequences, and the control signals are applied to the respective cores in the quantum processor.
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公开(公告)号：US11875222B1
公开(公告)日：2024-01-16
申请号：US16134177
申请日：2018-09-18
申请人： Rigetti & Co, LLC
发明人： Matthew J. Reagor , Christopher Butler Osborn , Alexa Nitzan Staley , Sabrina Sae Byul Hong , Benjamin Jacob Bloom , Alexander Papageorge , Nasser Alidoust
摘要： In a general aspect, a method executed in a quantum computing system includes performing a calibration process in the quantum computing system to identify a value of a parameter of the quantum computing system. The method also includes analyzing a variation of the value in response to a change in a condition of the quantum computing system, thereby determining a stability of the parameter. The method additionally includes scheduling a recalibration of the parameter based on the stability of the parameter and executing a quantum algorithm in the quantum computing system based on the value of the parameter identified by the calibration process.
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公开(公告)号：US11593698B2
公开(公告)日：2023-02-28
申请号：US17338024
申请日：2021-06-03
申请人： Rigetti & Co, LLC
发明人： Benjamin Jacob Bloom , Shane Arthur Caldwell , Michael James Curtis , Matthew J. Reagor , Chad Tyler Rigetti , Eyob A. Sete , William J. Zeng , Peter Jonathan Karalekas , Nikolas Anton Tezak , Nasser Alidoust
IPC分类号： G06N10/00 , H03K19/195
摘要： In a general aspect, calibration is performed in a quantum computing system. In some cases, domains of a quantum computing system are identified, where the domains include respective domain control subsystems and respective subsets of quantum circuit devices in a quantum processor of the quantum computing system. Sets of measurements are obtained from one of the domains and stored in memory. Device characteristics of the quantum circuit devices of the domain are obtained based on the set of measurements, and the device characteristics are stored in a memory of the control system. Quantum logic control parameters for the subset of quantum circuit devices of the domain are obtained based on the set of measurements and stored in memory.
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