公开(公告)号：US20110065585A1

公开(公告)日：2011-03-17

申请号：US12991893

申请日：2009-10-08

申请人： Trevor Michael Lanting ,  Paul I. Bunyk ,  Andrew J. Berkley ,  Richard G. Harris ,  Sergey V. Uchaykin ,  Andrew Brock Wilson ,  Mark Johnson

发明人： Trevor Michael Lanting ,  Paul I. Bunyk ,  Andrew J. Berkley ,  Richard G. Harris ,  Sergey V. Uchaykin ,  Andrew Brock Wilson ,  Mark Johnson

IPC分类号： G01R33/035 ,  H01P1/201 ,  H01L39/00 ,  H03K3/38

CPC分类号： G01R33/0354 ,  G01R33/0017 ,  G01R33/0094

摘要： SQUIDs may detect local magnetic fields. SQUIDS of varying sizes, and hence sensitivities may detect different magnitudes of magnetic fields. SQUIDs may be oriented to detect magnetic fields in a variety of orientations, for example along an orthogonal reference frame of a chip or wafer. The SQUIDS may be formed or carried on the same chip or wafer as a superconducting processor (e.g., a superconducting quantum processor). Measurement of magnetic fields may permit compensation, for example allowing tuning of a compensation field via a compensation coil and/or a heater to warm select portions of a system. A SQIF may be implemented as a SQUID employing an unconventional grating structure. Successful fabrication of an operable SQIF may be facilitated by incorporating multiple Josephson junctions in series in each arm of the unconventional grating structure.

摘要翻译： SQUID可以检测局部磁场。 具有不同尺寸的SQUIDS，因此灵敏度可以检测不同的磁场强度。 SQUID可以被定向以检测各种取向中的磁场，例如沿着芯片或晶片的正交参考系。 SQUIDS可以与超导处理器（例如超导量子处理器）形成或携带在相同的芯片或晶片上。 磁场的测量可以允许补偿，例如允许通过补偿线圈和/或加热器对补偿场进行调谐以温暖系统的选择部分。 SQIF可以被实现为采用非常规光栅结构的SQUID。 可以通过将多个约瑟夫逊结串联在非常规光栅结构的每个臂中来促进可操作的SQIF的成功制造。

公开(公告)号：US08812066B2

公开(公告)日：2014-08-19

申请号：US12991893

申请日：2009-10-08

申请人： Trevor Michael Lanting ,  Paul I. Bunyk ,  Andrew J. Berkley ,  Richard G. Harris ,  Sergey V. Uchaykin ,  Andrew Brock Wilson ,  Mark Johnson

发明人： Trevor Michael Lanting ,  Paul I. Bunyk ,  Andrew J. Berkley ,  Richard G. Harris ,  Sergey V. Uchaykin ,  Andrew Brock Wilson ,  Mark Johnson

IPC分类号： G01R33/035 ,  G01R33/02 ,  H01L39/02 ,  H01P1/201 ,  H03K3/38

CPC分类号： G01R33/0354 ,  G01R33/0017 ,  G01R33/0094

摘要： SQUIDs may detect local magnetic fields. SQUIDS of varying sizes, and hence sensitivities may detect different magnitudes of magnetic fields. SQUIDs may be oriented to detect magnetic fields in a variety of orientations, for example along an orthogonal reference frame of a chip or wafer. The SQUIDS may be formed or carried on the same chip or wafer as a superconducting processor (e.g., a superconducting quantum processor). Measurement of magnetic fields may permit compensation, for example allowing tuning of a compensation field via a compensation coil and/or a heater to warm select portions of a system. A SQIF may be implemented as a SQUID employing an unconventional grating structure. Successful fabrication of an operable SQIF may be facilitated by incorporating multiple Josephson junctions in series in each arm of the unconventional grating structure.

摘要翻译： SQUID可以检测局部磁场。 具有不同尺寸的SQUIDS，因此灵敏度可以检测不同的磁场强度。 SQUID可以被定向以检测各种取向中的磁场，例如沿着芯片或晶片的正交参考系。 SQUIDS可以与超导处理器（例如超导量子处理器）形成或携带在相同的芯片或晶片上。 磁场的测量可以允许补偿，例如允许通过补偿线圈和/或加热器对补偿场进行调谐以温暖系统的选择部分。 SQIF可以被实现为采用非常规光栅结构的SQUID。 可以通过将多个约瑟夫逊结串联在非常规光栅结构的每个臂中来促进可操作的SQIF的成功制造。

公开(公告)号：US20110057169A1

公开(公告)日：2011-03-10

申请号：US12991891

申请日：2009-09-03

申请人： Richard G. Harris ,  Andrew J. Berkley ,  Jan Johansson ,  Mark Johnson ,  Mohammad Amin ,  Paul I. Bunyk

发明人： Richard G. Harris ,  Andrew J. Berkley ,  Jan Johansson ,  Mark Johnson ,  Mohammad Amin ,  Paul I. Bunyk

IPC分类号： H01L39/22 ,  B82Y10/00

CPC分类号： H01L39/223 ,  B82Y10/00 ,  G06N99/002 ,  H01L27/18

摘要： Apparatus and methods enable active compensation for unwanted discrepancies in the superconducting elements of quantum processor. A qubit may include a primary compound Josephson junction (CJJ) structure, which may include at least a first secondary CJJ structure to enable compensation for Josephson junction asymmetry in the primary CJJ structure. A qubit may include a series LC-circuit coupled in parallel with a first CJJ structure to provide a tunable capacitance. A qubit control system may include means for tuning inductance of a qubit loop, for instance a tunable coupler inductively coupled to the qubit loop and controlled by a programming interface, or a CJJ structure coupled in series with the qubit loop and controlled by a programming interface.

摘要翻译： 装置和方法能够对量子处理器的超导元件中的有害偏差进行有效补偿。 量子位可以包括主复合约瑟夫逊结（CJJ）结构，其可以包括至少第一次级CJJ结构，以能够补偿主CJJ结构中的约瑟夫逊结不对称性。 量子位可以包括与第一CJJ结构并联耦合以提供可调电容的串联LC电路。 量子位控制系统可以包括用于调整量子位环路的电感的装置，例如感应耦合到量子位循环并由编程接口控制的可调谐耦合器件，或与量子位循环串联耦合并由编程接口控制的CJJ结构 。

公开(公告)号：US07990662B2

公开(公告)日：2011-08-02

申请号：US12256330

申请日：2008-10-22

申请人： Andrew J. Berkley ,  Sergey V. Uchaykin ,  Thomas F. W. Mahon

发明人： Andrew J. Berkley ,  Sergey V. Uchaykin ,  Thomas F. W. Mahon

IPC分类号： H02H7/00

CPC分类号： H05K9/0077 ,  B82Y10/00 ,  G01R33/0017 ,  G01R33/0354 ,  G06N99/002 ,  H01F6/00

摘要： A localized area is at least partially contained within a perimeter of a shield ring formed by a closed superconducting current path of a material that is superconductive below a critical temperature. The shield ring is at least partially within a perimeter of a compensation coil that is coupled to a current source. One or more measurement devices are responsive to magnetic fields in the vicinity of the localized area, allowing compensation by controlling current to the compensation coil. A heater can raise temperature of the shield ring out of a superconducting condition.

摘要翻译： 局部区域至少部分地包含在由超过低于临界温度的材料的封闭超导电流路径形成的屏蔽环的周边内。 屏蔽环至少部分地在耦合到电流源的补偿线圈的周边内。 一个或多个测量装置响应于局部区域附近的磁场，通过控制到补偿线圈的电流来进行补偿。 加热器可以将屏蔽环的温度升高到超导状态。

公开(公告)号：US20090168286A1

公开(公告)日：2009-07-02

申请号：US12256330

申请日：2008-10-22

申请人： Andrew J. Berkley ,  Sergey V. Uchaykin ,  Thomas F.W. Mahon

发明人： Andrew J. Berkley ,  Sergey V. Uchaykin ,  Thomas F.W. Mahon

IPC分类号： H01H47/00

CPC分类号： H05K9/0077 ,  B82Y10/00 ,  G01R33/0017 ,  G01R33/0354 ,  G06N99/002 ,  H01F6/00

摘要： A localized area is at least partially contained within a perimeter of a shield ring formed by a closed superconducting current path of a material that is superconductive below a critical temperature. The shield ring is at least partially within a perimeter of a compensation coil that is coupled to a current source. One or more measurement devices are responsive to magnetic fields in the vicinity of the localized area, allowing compensation by controlling current to the compensation coil. A heater can raise temperature of the shield ring out of a superconducting condition.

摘要翻译： 局部区域至少部分地包含在由超过低于临界温度的材料的封闭超导电流路径形成的屏蔽环的周边内。 屏蔽环至少部分地在耦合到电流源的补偿线圈的周边内。 一个或多个测量装置响应于局部区域附近的磁场，通过控制到补偿线圈的电流来进行补偿。 加热器可以将屏蔽环的温度升高到超导状态。

公开(公告)号：US20120094838A1

公开(公告)日：2012-04-19

申请号：US13325785

申请日：2011-12-14

申请人： Paul I. Bunyk ,  Felix Maibaum ,  Andrew J. Berkley ,  Thomas Mahon

发明人： Paul I. Bunyk ,  Felix Maibaum ,  Andrew J. Berkley ,  Thomas Mahon

IPC分类号： H03M1/66 ,  H01L39/02 ,  G11C11/44

CPC分类号： B82Y10/00 ,  G06N99/002 ,  H03M1/66

摘要： A superconducting flux digital-to-analog converter includes a superconducting inductor ladder circuit. The ladder circuit includes a plurality of closed superconducting current paths that each includes at least two superconducting inductors coupled in series to form a respective superconducting loop, successively adjacent or neighboring superconducting loops are connected in parallel with each other and share at least one of the superconducting inductors to form a flux divider network. A data signal input structure provides a respective bit of a multiple bit signal to each of the superconducting loops. The data signal input structure may include a set of superconducting quantum interference devices (SQUIDs). The data signal input structure may include a superconducting shift register, for example a single-flux quantum (SFQ) shift register or a flux-based superconducting shift register comprising a number of latching qubits.

摘要翻译： 超导通量数模转换器包括超导电感梯形电路。 梯形电路包括多个封闭的超导电流路径，每个超导电流路径均包括至少两个串联耦合的超导电感器，以形成相应的超导环路，相邻或邻近的超导环路彼此并联连接并且共享至少一个超导 电感器形成一个分流网络。 数据信号输入结构为每个超导环提供多位信号的相应位。 数据信号输入结构可以包括一组超导量子干涉装置（SQUID）。 数据信号输入结构可以包括超导移位寄存器，例如单通量量子（SFQ）移位寄存器或包括多个锁存量子位的基于磁通的超导移位寄存器。

公开(公告)号：US08604944B2

公开(公告)日：2013-12-10

申请号：US13228219

申请日：2011-09-08

申请人： Andrew J. Berkley ,  Paul I. Bunyk ,  Geordie Rose

发明人： Andrew J. Berkley ,  Paul I. Bunyk ,  Geordie Rose

IPC分类号： H03M1/00

CPC分类号： B82Y10/00 ,  G06N99/002

摘要： Systems, methods and apparatus for a scalable quantum processor architecture. A quantum processor is locally programmable by providing a memory register with a signal embodying device control parameter(s), converting the signal to an analog signal; and administering the analog signal to one or more programmable devices.

摘要翻译： 用于可扩展量子处理器架构的系统，方法和装置。 量子处理器通过向存储器寄存器提供体现设备控制参数的信号，将该信号转换成模拟信号来进行本地编程; 以及将模拟信号施加到一个或多个可编程设备。

公开(公告)号：US08035540B2

公开(公告)日：2011-10-11

申请号：US12944509

申请日：2010-11-11

申请人： Andrew J. Berkley ,  Paul I. Bunyk ,  Geordie Rose

发明人： Andrew J. Berkley ,  Paul I. Bunyk ,  Geordie Rose

IPC分类号： H03M1/00

CPC分类号： B82Y10/00 ,  G06N99/002

摘要： Systems, methods and apparatus for a scalable quantum processor architecture. A quantum processor is locally programmable by providing a memory register with a signal embodying device control parameter(s), converting the signal to an analog signal; and administering the analog signal to one or more programmable devices.

公开(公告)号：US20120005456A1

公开(公告)日：2012-01-05

申请号：US13228219

申请日：2011-09-08

申请人： Andrew J. Berkley ,  Paul I. Bunyk ,  Geordie Rose

发明人： Andrew J. Berkley ,  Paul I. Bunyk ,  Geordie Rose

IPC分类号： G06F15/76 ,  G06F9/06

CPC分类号： B82Y10/00 ,  G06N99/002

摘要： Systems, methods and apparatus for a scalable quantum processor architecture. A quantum processor is locally programmable by providing a memory register with a signal embodying device control parameter(s), converting the signal to an analog signal; and administering the analog signal to one or more programmable devices.

摘要翻译： 用于可扩展量子处理器架构的系统，方法和装置。 量子处理器通过向存储器寄存器提供体现设备控制参数的信号，将该信号转换成模拟信号来进行本地编程; 以及将模拟信号施加到一个或多个可编程设备。

公开(公告)号：US20110175061A1

公开(公告)日：2011-07-21

申请号：US12944518

申请日：2010-11-11

申请人： Andrew J. Berkley ,  Mark W. Johnson ,  Paul I. Bunyk

发明人： Andrew J. Berkley ,  Mark W. Johnson ,  Paul I. Bunyk

IPC分类号： H01L39/22

CPC分类号： G06N99/002 ,  B82Y10/00 ,  H01L23/53285 ,  H01L27/18 ,  H01L2924/0002 ,  H01L2924/00

摘要： A superconducting integrated circuit may include a magnetic flux transformer having an inner inductive coupling element and an outer inductive coupling element that surrounds the inner inductive coupling element along at least a portion of a length thereof. The magnetic flux transformer may have a coaxial-like geometry such that a mutual inductance between the first inductive coupling element and the second inductive coupling element is sub-linearly proportional to a distance that separates the first inner inductive coupling element from the first outer inductive coupling element. At least one of the first inductive coupling element and the second inductive coupling element may be coupled to a superconducting programmable device, such as a superconducting qubit.

摘要翻译： 超导集成电路可以包括具有内部感应耦合元件和外部感应耦合元件的磁通量变换器，该外部感应耦合元件沿其长度的至少一部分围绕内部感应耦合元件。 磁通变压器可以具有类似同轴的几何形状，使得第一感应耦合元件和第二感应耦合元件之间的互感与将第一内部感应耦合元件与第一外部电感耦合器分开的距离成亚线性比例 元件。 第一电感耦合元件和第二电感耦合元件中的至少一个可以耦合到超导可编程器件，例如超导量子位。