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8169231 |
Systems, methods, and apparatus for qubit state readout
A superconducting readout system includes a computation qubit; a measurement device to measure a state of the computation qubit; and a latch qubit that mediates communicative coupling between the...
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8018244 |
Architecture for local programming of quantum processor elements using latching qubits
An architecture for a quantum processor may include a set of superconducting flux qubits operated as computation qubits and a set of superconducting flux qubits operated as latching qubits....
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7843209 |
Architecture for local programming of quantum processor elements using latching qubits
An architecture for a quantum processor may include a set of superconducting flux qubits operated as computation qubits and a set of superconducting flux qubits operated as latching qubits....
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7800395 |
Systems, devices, and methods for controllably coupling qubits
A coupling system to couple a first and a second qubit in response to a state of the coupling system that may be set by two input signals.
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7724083 |
Method and apparatus for Josephson distributed output amplifier
The disclosure generally relates to a method and apparatus for providing high-speed, low signal power amplification. In an exemplary embodiment, the disclosure relates to a method for providing a...
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7643632 |
Ternary and multi-value digital signal scramblers, descramblers and sequence generators
Reversible and self reversing multi-value scrambling functions created by applying multi-value inverters are disclosed. The generation of possible multi-value inverters is also presented....
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7605600 |
Systems, methods and apparatus for anti-symmetric qubit-coupling
Apparatus, articles and methods relate to anti-symmetric superconducting devices for coupling superconducting qubits.
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7557600 |
Programmable Josephson voltage standard device employing microwave driving of multiple frequencies
The present invention relates to a finely programmable Josephson voltage standard device employing microwave driving of multiple frequencies. To this end, the programmable Josephson voltage...
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7459927 |
Superconductive crossbar switch
A superconductor crossbar switch for connecting a plurality of inputs with a plurality of outputs, including a switching cell having an input, an output and a circuit for connecting the input with...
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7443720 |
Method and circuit for reading quantum state
A single electron-transistor is used to read out charge states of two coupled qubits formed by two Cooper pair boxes. Detection is made about a gate voltage shift of the peak of the current that...
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7378865 |
Superconducting circuit for generating pulse signal
A superconducting circuit includes a first transformer to produce a first alternating-current output at a secondary-side inductor, a second transformer to produce a second alternating-current...
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7212026 |
Spin-orbital quantum cellular automata logic devices and systems
Spin-orbital quantum cellular automata logic devices and integrated circuits in the form of a substrate having a thin film of material on the substrate having strongly coupled spin-orbital states,...
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6865639 |
Scalable self-routing superconductor switch
A crossbar switch includes a cross-point matrix with n input rows of cross-points and m output columns of cross-points. The crossbar switch further includes n decoders connected to the n input...
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6836141 |
Superconductor ballistic RAM
A superconductor memory array (10) has a high associated throughput with low power dissipation and a simple architecture. The superconductor memory array (10) includes memory cells (12a-12d)...
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6734699 |
Self-clocked complementary logic
A superconducting self-clocked complementary SFQ logic family. The basic element of the circuit is a plurality of Josephson junctions and a control inductance coupled across a pair of voltage...
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6703857 |
Integrated circuit of superconducting circuit blocks and method of designing the same
An integrated circuit comprises plural superconducting circuit blocks connected through superconducting wiring strips, and each superconducting circuit block includes at least one superconducting...
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6420895 |
High-sensitivity, self-clocked receiver for multi-chip superconductor circuits
A receiver (50) for providing chip-to-chip communication in a superconductor integrated circuit. The receiver (50) includes a detector circuit (52) for asynchronously receiving an input current, a...
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6353330 |
Single-flux-quantum digital device
A single-flux-quantum digital device includes a first superconducting line extended in a large ring, a second superconducting line connected to the first superconducting line, a superconducting...
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6229332 |
Superconductive logic gate and random access memory
The present invention is a superconductive logic gate assembly (50, 100), a superconductive NOR gate assembly (10), and a superconductive random access memory (150). A superconductive logic gate...
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5939895 |
Frozen wave high speed receiver
A high-speed receiver is disclosed for gathering data from an information signal carried on a superconducting transmission line. The high-speed receiver includes triggers that carry trigger pulses,...
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5598105 |
Elementary cell for constructing asynchronous superconducting logic circuits
An elementary cell uses single-flux-quanta as two-valued logic propagation signals and is effective for Constructing asynchronous superconducting logic circuits. The elementary cell comprises one...
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5345115 |
Superconducting input interface circuit for superconducting circuit
A superconducting interface circuit converting a signal sent from a normal conducting circuit into a small voltage swing signal suitable for a superconducting circuit includes a superconducting...
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5345114 |
Superconductor logic and switching circuits
Current controlled superconductor switches formed by reactive patterning or other fabrication techniques may be used to form logic circuits including OR, AND, NOR, NAND, and NOT gates, a circuit...
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5315163 |
Analogic neuronal network
The network comprises cells each constituted by a first channel (4, 4') of a material having selectively a superconductive state and a resistive state, refrigeration apparatus to maintain the first...
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5298485 |
Superconductive logic device
A logic circuit device includes a superconductive body formed of a ceramic superconductive material. The ceramic superconductive material has random grain boundaries which act as weak couplings....
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5295093 |
Polarity-convertible Josephson driver circuit
A polarity-convertible Josephson driver circuit includes first and second driving voltage generating circuits, a driven line, and a load resistor. Each of the first and second driving voltage...
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5121292 |
Field replaceable cryocooled computer logic unit
A cryocooled field-replaceable logic unit for use with a cryogenic cold head such as that of a cryocooler comprises a thermally conductive plate adapted to be disposed in thermal contact with the...
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5111082 |
Superconducting threshold logic circuit
A superconducting threshold logic circuit comprises current switching circuits each having a Josephson device. Bias currents of the switching circuits are varied independently to change weights for...
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5051787 |
Superconductor storage device and memory using superconductor storage devices as memory cells
A superconductor storage device and a memory constructed by arranging a plurality of superconductor storage devices are disclosed. The superconductor storage device is comprised of a word line, a...
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5041880 |
Logic device and memory device using ceramic superconducting element
A logic device includes a ceramic superconducting element having magneto-resistive characteristics, and three electrodes provided adjacent the ceramic superconducting element, and constructed in...
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5024993 |
Superconducting-semiconducting circuits, devices and systems
A hybrid superconducting-semiconducting field effect transistor-like circuit element comprised of a superconducting field effect transistor and a closely associated cryogenic semiconductor inverter...
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4198577 |
Loop decoder for Josephson memory arrays
Decoder circuit arrangements for use with Josephson memory device arrays are disclosed. In one circuit of N stages, an input circuit consists of a Josephson junction and a shunting impedance...
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3384794 |
Superconductive logic device
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3365584 |
CRYO-ELECTRONIC THRESHOLD COMPONENTS
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3364468 |
Cryogenic fault or error-detecting and correcting system having spare channel substitution
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3364467 |
Cryogenic fault or error-detection and correction device having spare channel substitution
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3351774 |
Superconducting circuit constructions employing logically related inductively coupled paths to reduce effective magnetic switching inductance
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3304466 |
Protective circuits for superconductive loads
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3299283 |
Superconductive circuitry
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3263220 |
Trapped-flux memory
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3222544 |
Superconductive, variable inductance logic circuit
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3202836 |
Heat-responsive superconductive devices
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3162775 |
Scanning device employing cryotron bridges connected in free-matrix for measuring magnitudes of selected input signals
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3141979 |
Cryotron arrangement and cryotrons suitable for use in such arrangements
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3122653 |
Superconductive shift register
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3060323 |
Superconductive electrical circuits for storage and read out
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3019349 |
Superconductor circuits
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2877448 |
Superconductive logical circuits
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