Patent application number | Description | Published |
20120319085 | 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 within the volume and an electromagnetic field source coupled to the volume via the aperture. | 12-20-2012 |
20120319684 | 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 adjustable electromagnetic coupling between the first composite quantum system and the second composite quantum system. | 12-20-2012 |
20120326720 | 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 adjustable electromagnetic coupling between the first composite quantum system and the second composite quantum system. | 12-27-2012 |
20140167811 | QUANTUM CIRCUIT WITHIN WAVEGUIDE-BEYOND-CUTOFF - A quantum information processing system includes a waveguide having an aperture, a non-linear quantum circuit disposed in the waveguide and an electromagnetic control signal source coupled to the aperture. | 06-19-2014 |
20140167836 | QUANTUM CIRCUIT WITHIN WAVEGUIDE-BEYOND-CUTOFF - A quantum information processing system includes a waveguide having an aperture, a non-linear quantum circuit disposed in the waveguide and an electromagnetic control signal source coupled to the aperture. | 06-19-2014 |
20140235450 | MULTI-TUNABLE SUPERCONDUCTING CIRCUITS - A method of characterizing a tunable superconducting circuit, includes selecting an operating direct current (DC) flux for a first charge island from a plurality of coupled charge islands residing in the tunable superconducting circuit coupled to a first resonator and a second resonator, tuning operating DC flux values for at least two charge islands from the plurality of coupled charge islands, measuring coupling energies of the first resonator and the second resonator and measuring frequencies from each of the plurality of coupled charge islands. | 08-21-2014 |
20140264283 | FREQUENCY ARRANGEMENT FOR SURFACE CODE ON A SUPERCONDUCTING LATTICE - A device lattice arrangement including a plurality of devices, a plurality of physical connections for the plurality of devices, wherein each of the plurality of devices are coupled to at least two of the plurality of physical connections, a plurality of identity labels associated with individual devices of the plurality of devices and an arrangement of identity labels such that pairs of devices of the plurality of devices connected by some number of the plurality of connections have different identity labels. | 09-18-2014 |
20140264284 | 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 controlling a separation between the frequencies of the qubits and chip mode frequencies of the chip. | 09-18-2014 |
20140264285 | 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 maintained at a fixed frequency and are statically coupled to one another via the resonator, wherein energy levels |03> and |12> are closely aligned, wherein a tuned microwave signal applied to the qubit activates a two-qubit phase interaction. | 09-18-2014 |
20140264787 | DIFFERENTIAL EXCITATION OF PORTS TO CONTROL CHIP-MODE MEDIATED CROSSTALK - A differential port and a method of arranging the differential port are described. The method includes arranging a first electrode to receive a drive signal, and arranging a second electrode to receive a guard signal, the guard signal having a different phase than the drive signal and the first electrode and the second electrode having a gap therebetween. The method also includes disposing a signal line from the first electrode to drive a radio frequency (RF) device. | 09-18-2014 |
20140266406 | SYMMETRIC PLACEMENT OF COMPONENTS ON A CHIP TO REDUCE CROSSTALK INDUCED BY CHIP MODES - A method and system to control crosstalk among qubits on a chip are described. The method includes placing two or more components symmetrically on the chip, the chip including the qubits, and driving two or more ports symmetrically to control the crosstalk based on controlling coupling of chip mode frequencies and qubit frequencies. | 09-18-2014 |
20140327120 | DIFFERENTIAL EXCITATION OF PORTS TO CONTROL CHIP-MODE MEDIATED CROSSTALK - A differential port and a method of arranging the differential port are described. The method includes arranging a first electrode to receive a drive signal, and arranging a second electrode to receive a guard signal, the guard signal having a different phase than the drive signal and the first electrode and the second electrode having a gap therebetween. The method also includes disposing a signal line from the first electrode to drive a radio frequency (RF) device. | 11-06-2014 |
20140368234 | 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 maintained at a fixed frequency and are statically coupled to one another via the resonator, wherein energy levels |03> and |12> are closely aligned, wherein a tuned microwave signal applied to the qubit activates a two-qubit phase interaction. | 12-18-2014 |
20150028970 | MULTI-TUNABLE SUPERCONDUCTING CIRCUITS - A tunable superconducting circuit includes a first charge island, a second charge island, a third charge island, a fourth charge island, a first junction loop electrically coupled to the first and third charge islands, a second junction loop coupled to the second and third charge islands and a third junction loop coupled to the third and fourth charge islands, wherein the first, second and third junction loops are tuned in frequency to operate together as a qubit. | 01-29-2015 |