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1. (WO2019063117) REDUCTION AND/OR MITIGATION OF CROSSTALK IN QUANTUM BIT GATES
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Pub. No.: WO/2019/063117 International Application No.: PCT/EP2017/083556
Publication Date: 04.04.2019 International Filing Date: 19.12.2017
IPC:
G06N 99/00 (2010.01) ,H03K 5/15 (2006.01) ,H04B 14/02 (2006.01)
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
N
COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS
99
Subject matter not provided for in other groups of this subclass
H ELECTRICITY
03
BASIC ELECTRONIC CIRCUITRY
K
PULSE TECHNIQUE
5
Manipulating pulses not covered by one of the other main groups in this subclass
15
Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
B
TRANSMISSION
14
Transmission systems not characterised by the medium used for transmission
02
characterised by the use of pulse modulation
Applicants:
INTERNATIONAL BUSINESS MACHINES CORPORATION [US/US]; New Orchard Road Armonk, New York 10504, US
IBM UNITED KINGDOM LIMITED [GB/GB]; PO Box 41, North Harbour Portsmouth Hampshire PO6 3AU, GB (MG)
Inventors:
BISHOP, Lev, Samuel; US
GAMBETTA, Jay; US
Agent:
FOURNIER, Kevin; GB
Priority Data:
15/721,19429.09.2017US
Title (EN) REDUCTION AND/OR MITIGATION OF CROSSTALK IN QUANTUM BIT GATES
(FR) RÉDUCTION ET/OU ATTÉNUATION DE DIAPHONIE DANS DES PORTES À BITS QUANTIQUES
Abstract:
(EN) Techniques facilitating reduction and/or mitigation of crosstalk in quantum bit gates of a quantum computing circuit are provided. A system can comprise a memory that stores computer executable components and a processor that executes the computer executable components stored in the memory. The computer executable components can comprise a signal generation component that implements a control sequence that comprises a single pulse type for a first quantum bit and at least a second quantum bit of a quantum circuit. The computer- executable components can also comprise a coordination component that synchronizes a first pulse of a first channel of the first quantum bit and at least a second pulse of at least a second channel of the second quantum bit. The coordination component can simultaneously apply the first pulse to the first quantum bit and at least the second pulse to at least the second quantum bit.
(FR) L'invention concerne des techniques facilitant la réduction et/ou l'atténuation de la diaphonie dans des portes à bits quantiques d'un circuit informatique quantique. Un système peut comprendre une mémoire qui stocke des composants exécutables par ordinateur, et un processeur qui exécute les composants exécutables par ordinateur stockés dans la mémoire. Les composants exécutables par ordinateur peuvent comprendre un composant de production de signal qui met en œuvre une séquence de commande qui comprend un seul type d'impulsion pour un premier bit quantique et au moins un deuxième bit quantique d'un circuit quantique. Les composants exécutables par ordinateur peuvent également comprendre un composant de coordination qui synchronise une première impulsion d'un premier canal du premier bit quantique et au moins une deuxième impulsion d'au moins un deuxième canal du deuxième bit quantique. Le composant de coordination peut appliquer simultanément la première impulsion au premier bit quantique et au moins la deuxième impulsion au moins au deuxième bit quantique.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)