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1. WO2017127205 - TUNABLE BUS-MEDIATED COUPLING BETWEEN REMOTE QUBITS

Publication Number WO/2017/127205
Publication Date 27.07.2017
International Application No. PCT/US2016/067827
International Filing Date 20.12.2016
IPC
H01L 49/00 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
49Solid state devices not provided for in groups H01L27/-H01L47/99; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof
H01L 39/22 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
39Devices using superconductivity or hyperconductivity; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof
22Devices comprising a junction of dissimilar materials, e.g. Josephson-effect devices
G06N 99/00 2010.1
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
NCOMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS
99Subject matter not provided for in other groups of this subclass
CPC
B82Y 10/00
BPERFORMING OPERATIONS; TRANSPORTING
82NANOTECHNOLOGY
YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
10Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
G06F 13/4027
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
13Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
38Information transfer, e.g. on bus
40Bus structure
4004Coupling between buses
4027using bus bridges
G06F 13/4068
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
13Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
38Information transfer, e.g. on bus
40Bus structure
4063Device-to-bus coupling
4068Electrical coupling
G06N 10/00
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
NCOMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS
10Quantum computers, i.e. computer systems based on quantum-mechanical phenomena
H01L 39/025
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
39Devices using superconductivity; Processes or apparatus peculiar to the manufacture or treatment thereof or of parts thereof
02Details
025for Josephson devices
H01L 39/223
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
39Devices using superconductivity; Processes or apparatus peculiar to the manufacture or treatment thereof or of parts thereof
22Devices comprising a junction of dissimilar materials, e.g. Josephson-effect devices
223Josephson-effect devices
Applicants
  • NORTHROP GRUMMAN SYSTEMS CORPORATION [US]/[US]
Inventors
  • NAAMAN, Ofer
  • KEANE, Zachary Kyle
  • STOUTIMORE, Micah
  • FERGUSON, David George
Agents
  • HARRIS, Christopher P.
Priority Data
15/003,23221.01.2016US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) TUNABLE BUS-MEDIATED COUPLING BETWEEN REMOTE QUBITS
(FR) COUPLAGE ASSISTÉ PAR BUS RÉGLABLE ENTRE QUBITS ÉLOIGNÉS
Abstract
(EN)
A tunable bus-mediated coupling system is provided that includes a first input port coupled to a first end of a variable inductance coupling element through a first resonator and a second input port coupled to a second end of the variable inductance coupling element through a second resonator. The first input port is configured to be coupled to a first qubit, and the second output port is configured to be coupled to a second qubit. A controller is configured to control the inductance of the variable inductance coupling element between a low inductance state to provide strong coupling between the first qubit and the second qubit and a high inductance state to provide isolation between the first qubit and the second qubit.
(FR)
La présente invention concerne un système de couplage assisté par bus réglable qui comprend un premier port d'entrée couplé à une première extrémité d'un élément de couplage à inductance variable par l'intermédiaire d'un premier résonateur et un second port d'entrée couplé à une seconde extrémité de l'élément de couplage à inductance variable par l'intermédiaire d'un second résonateur. Le premier port d'entrée est conçu pour être couplé à un premier qubit, et le second port de sortie est conçu pour être couplé à un second qubit. Un contrôleur est conçu pour commander l'inductance de l'élément de couplage à inductance variable entre un état à faible inductance pour fournir un couplage fort entre le premier qubit et le second qubit et un état à haute inductance afin de fournir une isolation entre le premier qubit et le second qubit.
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