Patents in Class 326/3

Matches 1 - 50 out of 73

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Match	Document	Document Title
1	8111083	Quantum processor One embodiment of the invention includes a quantum processor system. The quantum processor system includes a first resonator having a first characteristic frequency and a second resonator having a...
2	8102185	Systems, devices, and methods for controllably coupling qubits A transverse coupling system may include a first qubit, a second qubit, a first conductive path capacitively connecting the first qubit and the second qubit, a second conductive path connecting the...
3	8050648	Superconducting digital mixer Digital mixers which permit mixing of asynchronous signals may be constructed of Rapid Single Flux Quantum (RSFQ) logic elements. The logic elements may include an RSFQ non-destructive readout cell...
4	8022722	Quantum logic gates utilizing resonator mediated coupling Systems and methods are provided for performing a quantum gate operation. A first classical control parameter, configured to tune an associated frequency of a first qubit, is adjusted from a first...
5	7932515	Quantum processor Multiple substrates that carry quantum devices are coupled to provide quantum mechanical communicators therebetween, for example, using superconducting interconnects, vias, solder and/or magnetic...
6	7898282	Systems, devices, and methods for controllably coupling qubits A system for communicably coupling between two superconducting qubits may include an rf-SQUID coupler having a loop of superconducting material interrupted by a compound Josephson junction and a...
7	7893708	Quantum gate operations with a common coupled resonator Systems and methods are provided for performing a quantum gate operation. A first classical control parameter is associated with a first qubit and coupled to a resonator. The first classical...
8	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.
9	7786748	Method and apparatus for signal inversion in superconducting logic gates In one embodiment, the disclosure relates to a single-flux quantum logic gate capable of providing output from one of the two inputs, which is also known as the A and NOT B gate. The logic gate...
10	7750664	Digital programmable phase generator A programmable phase shifter is constructed of Rapid Single Flux Quantum (RSFQ) logic elements. The logic elements may include an RSFQ inverter and an RSFQ T flip-flop. A digital word comprising N...
11	7724020	Single flux quantum circuits Superconducting single flux quantum circuits are disclosed herein, each having at least one Josephson junction which will flip when the current through it exceeds a critical current. Bias current...
12	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...
13	7714605	Arbitrary quantum operations with a common coupled resonator A quantum logic gate is formed from multiple qubits coupled to a common resonator, wherein quantum states in the qubits are transferred to the resonator by transitioning a classical control...
14	7639035	Qubit state copying Systems and methods for copying the classical state of a source qubit to a target qubit are provided. These techniques may be used to read out the states of an array of qubits.
15	7605600	Systems, methods and apparatus for anti-symmetric qubit-coupling Apparatus, articles and methods relate to anti-symmetric superconducting devices for coupling superconducting qubits.
16	7508230	Digital programmable phase generator A programmable phase shifter is constructed of Rapid Single Flux Quantum (RSFQ) logic elements. The logic elements may include an RSFQ inverter and an RSFQ T flip-flop. A digital word comprising N...
17	7498832	Arbitrary quantum operations with a common coupled resonator A quantum logic gate is formed from multiple qubits coupled to a common resonator, wherein quantum states in the qubits are transferred to the resonator by transitioning a classical control...
18	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...
19	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...
20	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...
21	7268576	Superconducting qubit with a plurality of capacitive couplings A first qubit having a superconducting loop interrupted by a plurality of Josephson junctions is provided. Each junction interrupts a different portion of the superconducting loop and each...
22	7253654	Superconducting qubits having a plurality of capacitive couplings A first qubit having a superconducting loop interrupted by a plurality of Josephson junctions is provided. Each junction interrupts a different portion of the superconducting loop and each...
23	7170960	Instantaneous clock recovery circuit A clock recovery circuit (10) for a superconductor system that enables the phase of a system clock to be instantaneously reset without any pulse interaction. The clock recovery circuit (10)...
24	7002366	Superconducting constant current source An on-chip current regulator for a superconducting logic circuit isolates the superconducting logic circuit from external noise, reduces the effects of process fluctuations on the performance of...
25	6917216	Superconductor output amplifier A single flux quantum (SFQ) pulse is generated (502) by injecting a superconductor output signal as a first signal at a “start” input (108) coupled to a superconductor delay element (104). The SFQ...
26	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)...
27	6784451	Multi-junction phase qubit In one embodiment, a two-junction phase qubit includes a superconducting loop and two Josephson junctions separated by a mesoscopic island on one side and a bulk loop on another side. The material...
28	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...
29	6724216	Rapid single-flux-quantum logic circuit and rapid single-flux-quantum output conversion circuit A rapid single-flux-quantum RSFQ logic circuit includes a first circuit portion having a first end grounded and having in-series connected first and second Josephson junctions. A second circuit...
30	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...
31	6518786	Combinational logic using asynchronous single-flux quantum gates An asynchronous SFQ logic cell that is amenable to being used in combinational logic circuits. Rather than encode each digital logic bit as one SFQ pulse, each logic bit is encoded as a series of...
32	6486694	Universal delay-insensitive logic cell The invention provides a universal, delay-insensitive RSFQ logic cell comprising two input circuits and two clock circuits, each containing a plurality of Josephson elements. The two input circuits...
33	6486756	Superconductor signal amplifier A superconductor signal amplifier which receives an extremely small high-frequency signal having a frequency of tens of GHz generated in a superconductive circuit, amplifies the voltage of the...
34	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...
35	6310488	Superconductive single flux quantum logic circuit In a superconductive single flux quantum logic circuit having two superconductive closed loops each comprising a Josephson junction and one or more inductors, a load inductance part is comprised of...
36	6294946	Switching circuit with intermittently loaded charged capacitance A switching circuit, comprising: a first node for receiving a first voltage; a second node 502 for providing an output; a third node for receiving a second voltage; a capacitance 506 coupled...
37	6242939	Superconducting circuit having superconductive circuit device of voltage-type logic and superconductive circuit device of fluxoid-type logic device selectively used therein A superconducting circuit device of a voltage-type logic device is large in current driving capability and, accordingly, electric power consumption; however, the switching speed is not so fast, and...
38	6188236	Arrangement and method relating to digital information in superconducting circuits A logic circuit arrangement includes signal input and signal output devices and a number of SFQ circuits having Josephson junctions in which carrier devices are used for carrying digital...
39	5831278	Three-terminal devices with wide Josephson junctions and asymmetric control lines A three-terminal device constructed from a Josephson junction with one or more asymmetric control lines is disclosed. The device is constructed with high temperature superconducting materials. The...
40	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...
41	5568068	Buffer circuit for regulating driving current A buffer circuit with driving current adjusting function is provided which may automatically set a driving current characteristics of a buffer to the most suitable value according to a system where...
42	5455519	Josephson logic circuit A Josephson logic circuit includes a Josephson element inserted between an input terminal and a reference electric potential such as ground, a resistor inserted between the input terminal and an...
43	5424656	Continuous superconductor to semiconductor converter circuit Apparatus for converting superconductor low level signals to semiconductor signal levels utilizing a continuous superconductor to semiconductor converter circuit biased for maximum gain and without...
44	5389837	Superconducting flux flow digital circuits A NOR/inverter logic gate circuit and a flip flop circuit implemented with superconducting flux flow transistors (SFFTs). Both circuits comprise two SFFTs with feedback lines. They have extremely...
45	5365476	Three-port Josephson memory cell for superconducting digital computer A three-port Josephson memory cell has one input port (a data line) and two output ports (first and second sense lines). The memory cell receives a write enable pulse on a write line to store a bit...
46	5315180	Synchronizing interface circuit between semiconductor element circuit and a Josephson junction element circuit In an interface circuit transferring a data signal from a semiconductor element circuit to a Josephson junction element circuit, a first unit detects a change switching of a first clock signal...
47	5164618	Superconducting gate array cells Superconducting timed gate array cells for use in single-rail logic circuits are provided by adding inputs to modified variable threshold logic (MVTL) timed inverter circuits. Data signals which...
48	5151617	Superconducting logic circuit A superconducting logic circuit is configured by using two kinds of input-output type quantum flux parametrons (QFP), that is, a periodically excited input-output type QFP and an arbitrarily...
49	5146119	Switching circuit and its signal transmission method A switching circuit which comprises a digital circuit formed of a superconductor, a transmission line connected to the digital circuit through magnetic coupling, and a resistor element disposed in...
50	5126598	Josephson integrated circuit having an output interface capable of providing output data with reduced clock rate A Josephson integrated circuit includes a Josephson logic processor operated at a first clock rate, and a latch circuit formed of Josephson devices operated at the first clock rate for receiving...

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