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1. WO2020198581 - ERROR CORRECTION WHILE MAINTAINING BOSONIC NATURE OF THE SYSTEM

Publication Number WO/2020/198581
Publication Date 01.10.2020
International Application No. PCT/US2020/025204
International Filing Date 27.03.2020
IPC
G06F 11/07 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
11Error detection; Error correction; Monitoring
07Responding to the occurrence of a fault, e.g. fault tolerance
G06F 11/08 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
11Error detection; Error correction; Monitoring
07Responding to the occurrence of a fault, e.g. fault tolerance
08Error detection or correction by redundancy in data representation, e.g. by using checking codes
G06F 11/10 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
11Error detection; Error correction; Monitoring
07Responding to the occurrence of a fault, e.g. fault tolerance
08Error detection or correction by redundancy in data representation, e.g. by using checking codes
10Adding special bits or symbols to the coded information, e.g. parity check, casting out nines or elevens
H01L 39/22 2006.01
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
H01L 39/24 2006.01
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
24Processes or apparatus specially adapted for the manufacture or treatment of devices provided for in group H01L39/135
H04B 10/70 2013.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
10Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
70Photonic quantum communication
Applicants
  • YALE UNIVERSITY [US]/[US]
Inventors
  • NOH, Kyungjoo
  • GIRVIN, Steven, M.
  • JIANG, Liang
Agents
  • MORRIS, James, H.
  • AMUNDSEN, Eric, L.
  • BAKER, C., Hunter
  • ALAM, Saad
  • ATTISHA, Michael, J.
Priority Data
62/825,61528.03.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ERROR CORRECTION WHILE MAINTAINING BOSONIC NATURE OF THE SYSTEM
(FR) CORRECTION D'ERREURS TOUT EN MAINTENANT LA NATURE BOSONIQUE DU SYSTÈME
Abstract
(EN)
Systems and methods for performing bosonic quantum error correction (QEC) using Gottesman-Kitaev-Preskill (GKP) states are provided. An ancilla quantum mechanical oscillator is used to probe Gaussian noise experienced by a data quantum mechanical oscillator without disturbing the state of the data quantum mechanical oscillator. The ancilla quantum mechanical oscillator is initialized with a GKP state and entangled with the state of a data quantum mechanical oscillator to correlate any noise experienced by the data state with the state of the ancilla quantum mechanical oscillator. The states are then disentangled, and momentum and position quadrature operators of the ancilla quantum mechanical oscillator are measured and used to perform QEC on the information stored in the data quantum mechanical oscillator.
(FR)
L'invention concerne des systèmes et des procédés permettant d'effectuer une correction d'erreurs quantiques bosoniques (QEC) à l'aide d'états de Gottesman-Kitaev-Preskill (GKP). Un oscillateur mécanique quantique auxiliaire est utilisé pour sonder un bruit gaussien subi par un oscillateur mécanique quantique de données sans perturber l'état de l'oscillateur mécanique quantique de données. L'oscillateur mécanique quantique auxiliaire est initialisé avec un état de GKP et intriqué dans l'état d'un oscillateur mécanique quantique de données pour corréler tout bruit subi par l'état de données avec l'état de l'oscillateur mécanique quantique auxiliaire. Les états sont ensuite désintriqués, et des opérateurs de quadrature de moment et de position de l'oscillateur mécanique quantique auxiliaire sont mesurés et utilisés pour effectuer une QEC sur les informations mémorisées dans l'oscillateur mécanique quantique de données.
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