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公开(公告)号：US12249641B1
公开(公告)日：2025-03-11
申请号：US18383009
申请日：2023-10-23
Applicant: PsiQuantum Corp
Inventor： Faraz Najafi , Qiaodan Jin Stone , Andrea Bahgat Shehata
IPC: H01L29/66 , H01L23/34 , H01L29/861 , H01L29/868 , H01L31/09 , H01L31/107 , H10N60/30 , H10N69/00
Abstract: The various embodiments described herein include methods, devices, and systems for fabricating and operating diodes. In one aspect, an electrical circuit includes: (1) a diode component having a particular energy band gap; (2) an electrical source electrically coupled to the diode component and configured to bias the diode component in a particular state; and (3) a heating component thermally coupled to a junction of the diode component and configured to selectively supply heat corresponding to the particular energy band gap.
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公开(公告)号：US12218640B2
公开(公告)日：2025-02-04
申请号：US17963097
申请日：2022-10-10
Applicant: PsiQuantum Corp.
Inventor： Qiaodan Jin Stone
Abstract: The various embodiments described herein include methods, devices, and systems for fabricating and operating superconducting circuitry. In one aspect, an amplification circuit includes: (1) a superconducting component; (2) an amplifier coupled in parallel with the superconducting component such that the superconducting component is in a feedback loop of the amplifier; (3) a voltage source coupled to a first input of the amplifier; (4) one or more resistors coupled to a second input of the amplifier; and (5) an output terminal coupled to an output of the amplifier.
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公开(公告)号：US11569816B1
公开(公告)日：2023-01-31
申请号：US16840182
申请日：2020-04-03
Applicant: PsiQuantum Corp
Inventor： Faraz Najafi , Qiaodan Jin Stone
Abstract: The various embodiments described herein include methods, devices, and circuits for reducing switch transition time of superconductor switches. In some embodiments, an electrical circuit includes: (i) an input component configured to generate heat in response to an electrical input; and (ii) a first superconducting component thermally-coupled to the input component. The electrical circuit is configured such that, in the absence of the electrical input, at least a portion of the first superconducting component is maintained in a non-superconducting state in the absence of the electrical input; and, in response to the electrical input, the first superconducting component transitions to a superconducting state.
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公开(公告)号：US11362664B2
公开(公告)日：2022-06-14
申请号：US17135861
申请日：2020-12-28
Applicant: PsiQuantum Corp.
Inventor： Faraz Najafi , Qiaodan Jin Stone
IPC: H03K19/195 , G01J1/44 , H01L39/10 , H01L39/16
Abstract: A programmable circuit includes a superconducting component arranged in a multi-dimensional array of alternating narrow and wide portions. The programmable circuit further includes a plurality of heat sources, each heat source configured to selectively provide heat to a respective narrow portion sufficient to transition the respective narrow portion from a superconducting state to a non-superconducting state. The programmable circuit further includes a plurality of electrical terminals, each electrical terminal coupled to a respective wide portion of the multi-dimensional array.
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公开(公告)号：US12261604B2
公开(公告)日：2025-03-25
申请号：US18439641
申请日：2024-02-12
Applicant: PSIQUANTUM CORP.
Inventor： Faraz Najafi , Qiaodan Jin Stone
IPC: H03K19/195 , G01J1/44 , H10N60/30 , H10N60/84
Abstract: An example circuit includes a superconducting component having a plurality of narrow portions and a plurality of wide portions. The example circuit further includes a plurality of photon detector components, each photon detector component coupled to a corresponding narrow portion of the plurality of narrow portions and configured to provide an output that causes the corresponding narrow portion to transition from a superconducting state to a non-superconducting state. The example circuit also includes an output component coupled to the superconducting component, the output component configured to determine a number of the plurality of narrow portions of the superconducting component that are in the non-superconducting state.
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Patent Agency Ranking
公开(公告)号：US12245524B2
公开(公告)日：2025-03-04
申请号：US18632077
申请日：2024-04-10
Applicant: PsiQuantum Corp. , Government of the United States of America, as Represented by the Secretary of Commerce
Inventor： Faraz Najafi , Qiaodan Jin Stone , Adam Nykoruk McDaughan
Abstract: An example electric circuit includes a superconductor component having a first terminal at a first end and a second terminal at a second end. The superconductor component includes a first portion coupled to the first terminal, a second portion coupled to the second terminal, and a third portion coupling the first portion and the second portion. The third portion has a curved shape such that the first portion of the superconductor component is proximate to, and thermally coupled to, the second portion of the superconductor component. The example electric circuit further includes a coupling component coupled to the third portion of the superconductor component, and a gate component configured to generate a resistive heat that exceeds a superconducting threshold temperature of the superconductor component, where the gate component is separated from the superconductor component by the coupling component.
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公开(公告)号：US20240080029A1
公开(公告)日：2024-03-07
申请号：US18387402
申请日：2023-11-06
Applicant: PsiQuantum Corp.
Inventor： Faraz Najafi , Qiaodan Jin Stone
IPC: H03K19/195 , G01J1/44 , H10N60/30 , H10N60/84
CPC classification number: H03K19/195 , G01J1/44 , H10N60/30 , H10N60/84 , G01J2001/442
Abstract: A programmable circuit includes a superconducting multi-dimensional array. The programmable circuit further includes a plurality of photon detectors coupled to respective portions of the superconducting multi-dimensional array, each photon detector configured to selectively provide input to a corresponding respective portion sufficient to transition the corresponding respective portion from a superconducting state to a non-superconducting state. The programmable circuit also includes one or more electrical terminals coupled to respective second portions of the superconducting multi-dimensional array.
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公开(公告)号：US11811394B2
公开(公告)日：2023-11-07
申请号：US17838917
申请日：2022-06-13
Applicant: PsiQuantum Corp.
Inventor： Faraz Najafi , Qiaodan Jin Stone
IPC: H03K19/195 , G01J1/44 , H10N60/30 , H10N60/84
CPC classification number: H03K19/195 , G01J1/44 , H10N60/30 , H10N60/84 , G01J2001/442
Abstract: A programmable circuit includes a superconducting component arranged in a multi-dimensional array of alternating narrow and wide portions. The programmable circuit further includes a plurality of heat sources, each heat source configured to selectively provide heat to a respective narrow portion sufficient to transition the respective narrow portion from a superconducting state to a non-superconducting state. The programmable circuit further includes a plurality of electrical terminals, each electrical terminal coupled to a respective wide portion of the multi-dimensional array.
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公开(公告)号：US20210351778A1
公开(公告)日：2021-11-11
申请号：US17135861
申请日：2020-12-28
Applicant: PsiQuantum Corp.
Inventor： Faraz Najafi , Qiaodan Jin Stone
IPC: H03K19/195 , G01J1/44 , H01L39/10 , H01L39/16
Abstract: A programmable circuit includes a superconducting component arranged in a multi-dimensional array of alternating narrow and wide portions. The programmable circuit further includes a plurality of heat sources, each heat source configured to selectively provide heat to a respective narrow portion sufficient to transition the respective narrow portion from a superconducting state to a non-superconducting state. The programmable circuit further includes a plurality of electrical terminals, each electrical terminal coupled to a respective wide portion of the multi-dimensional array.
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公开(公告)号：US10972104B2
公开(公告)日：2021-04-06
申请号：US16473547
申请日：2019-02-12
Applicant: PSIQUANTUM CORP.
Inventor： Faraz Najafi , Qiaodan Jin Stone
IPC: H03K19/195 , G01J1/44 , H01L39/10 , H01L39/16
Abstract: The various embodiments described herein include methods, devices, and systems for operating superconducting circuitry. In one aspect, a superconducting component includes: (1) a superconductor having a plurality of alternating narrow and wide portions, each wide portion having a corresponding terminal; and (2) a plurality of heat sources, each heat source thermally coupled to a corresponding narrow portion such that heat from the heat source is transmitted to the corresponding narrow portion; where the plurality of heat sources is electrically isolated from the superconductor.
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