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US20120028806 Method For Planar Implementation Of PI/8 Gate In Chiral Topological Superconductors  
Disclosed herein is a topologically protected π/8-gate which becomes universal when combined with the gates available through quasi-particle braiding and planar quasi-particle interferometry. A...
US20120049162 Use Of Sack Geometry To Implement A Single Qubit Phase Gate  
An implementation of a single qubit phase gate for use in a quantum information processing scheme based on the υ=5/2 fractional quantum Hall (FQH) state is disclosed. Using sack geometry, a qubit...
US20110156008 METHOD FOR IMPLEMENTING THE PI/8 GATE IN A GENUS=1 ISING SYSTEM  
Disclosed herein is a protocol that enables the π/8-gate in chiral topological superconductors in which superconducting stiffness λ has been suppressed. The protocol enables a topologically...
US20120319085 ARRAY OF QUANTUM SYSTEMS IN A CAVITY FOR QUANTUM COMPUTING  
A device includes a volume bounded by electromagnetically conducting walls, an aperture in a bounding wall of the electromagnetically conducting walls, a plurality of quantum systems disposed...
US20110114920 SYSTEM AND METHOD OF QUANTUM COMPUTING USING THREE-STATE REPRESENTATION OF A QUBIT  
A method (and structure) of quantum computing. Two independent magnitudes of a three-state physical (quantum) system are set to simultaneously store two real, independent numbers as a qubit. The...
US20140264288 METHOD AND SYSTEM THAT IMPLEMENT A V-GATE QUANTUM CIRCUIT  
The current application is directed to methods and quantum circuits that prepare qubits in specified non-stabilizer quantum states that can, in turn, be used for a variety of different purposes,...
US20140354326 Quantum Computers Having Partial Interferometric Quantum Gates  
A quantum computer may include topologically protected quantum gates and non-protected quantum gates, which may be applied to topological qubits. The non-protected quantum gates may be implemented...
US20120124432 SYSTEM AND METHOD FOR PHASE ERROR REDUCTION IN QUANTUM SYSTEMS  
One embodiment of the invention includes a quantum system. The system includes a superconducting qubit that is controlled by a control parameter to manipulate a photon for performing quantum...
US20120319684 MODULAR ARRAY OF FIXED-COUPLING QUANTUM SYSTEMS FOR QUANTUM INFORMATION PROCESSING  
A quantum information processing system includes a first composite quantum system, a second composite quantum system, a plurality of electromagnetic field sources coupled to the system and an...
US20110054876 PHYSICAL REALIZATIONS OF A UNIVERSAL ADIABATIC QUANTUM COMPUTER  
Devices, methods and articles advantageously allow communications between qubits to provide an architecture for universal adiabatic quantum computation. The architecture includes a first coupled...
US20140124739 SELF-ASSEMBLED QUANTUM COMPUTERS AND METHODS OF PRODUCING THE SAME  
One aspect of the invention provides a self-assembled quantum computer including a plurality of quantum dots coupled by binding domains. Another aspect of the invention provides a method of...
US20130299783 Multi-Band Topological Nanowires  
A topological qubit wire hosts Majorana zero-energy modes and includes a superconductor, which may be an s-wave superconductor, and a quasi-1D nanowire, which may be a semi-conductor. The Majorana...
US20120320668 PHASE QUBIT CELL HAVING ENHANCED COHERENCE  
Methods and apparatuses are provided for storing a quantum bit. One apparatus includes a first phase qubit, a second phase qubit, and a common bias circuit configured to provide a first bias to...
US20140175380 SUPERCONDUCTING SINGLE FLUX QUANTUM INTEGRATED CIRCUIT DEVICE  
The present invention relates to a superconducting single flux quantum integrated circuit device, and eliminates the return current from a bias current and the effect the bias current itself has...
US20090121215 SYSTEMS, DEVICES, AND METHODS FOR ANALOG PROCESSING  
A system employs a plurality of physical qubits, each having a respective bias operable to up to six differentiable inputs to solve a Quadratic Unconstrained Binary Optimization problem. Some...
US20130196855 SUPERCONDUCTING QUANTUM CIRCUIT HAVING A RESONANT CAVITY THERMALIZED WITH METAL COMPONENTS  
A quantum electronic circuit device includes a housing having an internal resonant cavity, a qubit disposed within a volume of the internal resonant cavity and a non-superconducting metallic...
US20080116449 PROCESSING RELATIONAL DATABASE PROBLEMS USING ANALOG PROCESSORS  
Systems, methods and articles solve queries or database problems through the use of graphs. An association graph may be formed based on a query graph and a database graph. The association graph...
US20130087766 SCALABLE QUANTUM COMPUTER ARCHITECTURE WITH COUPLED DONOR-QUANTUM DOT QUBITS  
A quantum bit computing architecture includes a plurality of single spin memory donor atoms embedded in a semiconductor layer, a plurality of quantum dots arranged with the semiconductor layer and...
US20150171325 QUANTUM INTERFERENCE DEVICE, ATOMIC OSCILLATOR, ELECTRONIC APPARATUS, AND MOVING OBJECT  
A quantum interference device includes a wiring board, a second unit including a gas cell in which metal atoms are sealed, a first unit that includes a light emission unit emitting light, which...
US20140264285 MULTIPLE-QUBIT WAVE-ACTIVATED CONTROLLED GATE  
A device includes a housing, at least two qubits disposed in the housing and a resonator disposed in the housing and coupled to the at least two qubits, wherein the at least two qubits are...
US20140264287 REMOVAL OF SPURIOUS MICROWAVE MODES VIA FLIP-CHIP CROSSOVER  
A coplanar waveguide device includes a coplanar waveguide structure disposed on a substrate, at least one qubit coupled to the coplanar waveguide structure and an add-on chip having a metallized...
US20120326130 JOSEPHSON QUANTUM COMPUTING DEVICE AND INTEGRATED CIRCUIT USING SUCH DEVICES  
A Josephson quantum computing device and an integrated circuit using Josephson quantum computing devices which can realize a NOT gate operation controlled with 2 bits will be provided. The...
US20150179916 Catalytic Growth of Josephson Junction Tunnel Barrier  
A tunnel barrier layer in a superconducting device, such as a Josephson junction, is made from catalytically grown silicon dioxide at a low temperature (<100 C, e.g., 20-30 C) that does not...
US20150060771 ATOMISTIC QUANTUM DOTS  
A quantum device is provided that includes controllably quantum mechanically coupled dangling bonds extending from a surface of a semiconductor material. Each of the controllably quantum...
US20120112168 Coherent Quantum Information Transfer Between Topological And Conventional Qubits  
Computing bus devices that enable quantum information to be coherently transferred between topological and conventional qubits are disclosed. A concrete realization of such a topological quantum...
US20150242758 COHERENT QUANTUM INFORMATION TRANSFER BETWEEN CONVENTIONAL QUBITS  
Computing bus devices that enable quantum information to be coherently transferred between conventional qubit pairs are disclosed. A concrete realization of such a quantum bus acting between...
US20120187378 Coherent Quantum Information Transfer Between Conventional Qubits  
Computing bus devices that enable quantum information to be coherently transferred between conventional qubit pairs are disclosed. A concrete realization of such a quantum bus acting between...
US20120258861 TWISTED TRACK INTERFEROMETER FOR PRODUCING MAGIC STATES  
A twisted track interferometer (TTI) for producing magic states is disclosed. The spin of ½-vortices may be exploited to produce magic states. The disclosed “twisted track interferometer” is a...
US20150155468 CHIP MODE ISOLATION AND CROSS-TALK REDUCTION THROUGH BURIED METAL LAYERS AND THROUGH-VIAS  
A method for fabricating a chip surface base includes preparing a first substrate, preparing a plurality of vias in the first substrate, depositing metal fillings into the plurality of vias,...
US20140274725 CHIP MODE ISOLATION AND CROSS-TALK REDUCTION THROUGH BURIED METAL LAYERS AND THROUGH-VIAS  
A method for fabricating a chip surface base includes preparing a first substrate, preparing a plurality of vias in the first substrate, depositing metal fillings into the plurality of vias,...
US20070215862 Methods for preparing entangled quantum states  
Various embodiments of the present invention are directed to methods for generating an entangled state of qubits. In one embodiment of the present invention, a method for preparing an entangled...
US20090173936 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...
US20140054552 DOUBLE-MASKING TECHNIQUE FOR INCREASING FABRICATION YIELD IN SUPERCONDUCTING ELECTRONICS  
An improved microfabrication technique for Josephson junctions in superconducting integrated circuits, based on the use of a double-layer lithographic mask for partial anodization of the...
US20070080341 Systems, methods and apparatus for factoring numbers  
Systems, methods and apparatus for factoring numbers are provided. The factoring may be accomplished by creating a factor graph, mapping the factor graph onto an analog processor, initializing the...
US20100006825 SUPERCONDUCTING JUNCTION ELEMENT AND SUPERCONDUCTING JUNCTION CIRCUIT  
A superconducting junction element has a lower electrode formed by a superconductor layer, a barrier layer provided on a portion of a surface of the lower electrode, an upper electrode formed by a...
US20110175062 MICROWAVE READOUT FOR FLUX-BIASED QUBITS  
A method for determining whether a quantum system comprising a superconducting qubit is occupying a first basis state or a second basis state once a measurement is performed is provided. The...
US20110018612 SYSTEM, DEVICES AND METHODS FOR COUPLING QUBITS  
A ladder structure is ferromagnetically coupled to a first qubit where the ladder structure has a monostable energy potential in use, such that the first qubit and the ladder structure effectively...
US20090289638 MICROWAVE READOUT FOR FLUX-BIASED QUBITS  
A method for determining whether a quantum system comprising a superconducting qubit is occupying a first basis state or a second basis state once a measurement is performed is provided. The...
US20090261319 Josephson quantum computing device and integrated circuit using such devices  
A Josephson quantum computing device and an integrated circuit using Josephson quantum computing devices which can realize a NOT gate operation controlled with 2 bits will be provided. The...
US20140264284 FREQUENCY SEPARATION BETWEEN QUBIT AND CHIP MODE TO REDUCE PURCELL LOSS  
A system, method, and chip to control Purcell loss are described. The chip includes qubits formed on a first surface of a substrate. The method includes determining frequencies of the qubits, and...
US20140097405 SYSTEMS AND DEVICES FOR QUANTUM PROCESSOR ARCHITECTURES  
Quantum processor architectures employ unit cells tiled over an area. A unit cell may include first and second sets of qubits where each qubit in the first set crosses at least one qubit in the...
US20090321720 SYSTEMS AND DEVICES FOR QUANTUM PROCESSOR ARCHITECTURES  
A quantum processor may employ a heterogeneous qubit-coupling architecture to reduce the average number of intermediate coupling steps that separate any two qubits in the quantum processor, while...
US20090233798 JOSEPHSON JUNCTION AND JOSEPHSON DEVICE  
A novel Josephson junction and a novel Josephson junction device are provided which eliminates the need to form an insulating barrier layer. The Josephson junction (1) comprises a superconductor...
US20120302446 JOSEPHSON MAGNETIC SWITCH  
New type of Josephson switch based on Josephson superconductor/insulator/ferromagnet/superconductor (SIFS) junction is disclosed. This Josephson SIFS junction has a ferromagnetic (F-) barrier...
US20110175061 SYSTEMS AND METHODS FOR SUPERCONDUCTING INTEGRATED CIRCUITS  
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...
US20110222848 Method and Apparatus for Fault-Tolerant Quantum Communication Based on Solid-State Photon Emitters  
A novel method and apparatus for long distance quantum communication in realistic, lossy photonic channels is disclosed. The method uses single emitters of light as intermediate nodes in the...
US20150119253 METHOD FOR INCREASING THE INTEGRATION LEVEL OF SUPERCONDUCTING ELECTRONICS CIRCUITS, AND A RESULTING CIRCUIT  
A method for increasing the integration level of superconducting electronic circuits, comprising fabricating a series of planarized electrically conductive layers patterned into wiring, separated...
US20100133514 SUPERCONDUCTING SHIELDING FOR USE WITH AN INTEGRATED CIRCUIT FOR QUANTUM COMPUTING  
An integrated circuit for quantum computing may include a superconducting shield to limit magnetic field interactions.
US20090078932 SYSTEMS, DEVICES, AND METHODS FOR CONTROLLABLY COUPLING QUBITS  
A coupling system may include first and second magnetic flux inductors communicatively coupled to a Josephson junction of an rf SQUID. The coupling system may allow transverse coupling between...
US20090319757 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....

Matches 1 - 50 out of 99 1 2 >