WO2022147168A3 - Optimal calibration of gates in a quantum computing system - Google Patents

Optimal calibration of gates in a quantum computing system Download PDF

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Publication number
WO2022147168A3
WO2022147168A3 PCT/US2021/065569 US2021065569W WO2022147168A3 WO 2022147168 A3 WO2022147168 A3 WO 2022147168A3 US 2021065569 W US2021065569 W US 2021065569W WO 2022147168 A3 WO2022147168 A3 WO 2022147168A3
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WO
WIPO (PCT)
Prior art keywords
quantum
qubit
qubits
gates
quantum circuits
Prior art date
Application number
PCT/US2021/065569
Other languages
French (fr)
Other versions
WO2022147168A2 (en
Inventor
Andrii MAKSYMOV
Pradeep Niroula
Yunseong Nam
Original Assignee
IonQ, Inc.
University Of Maryland
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US17/531,520 external-priority patent/US20220206866A1/en
Application filed by IonQ, Inc., University Of Maryland filed Critical IonQ, Inc.
Priority to JP2023565340A priority Critical patent/JP2024505312A/en
Priority to EP21881344.2A priority patent/EP4272132A2/en
Priority to CN202180095064.2A priority patent/CN117280354A/en
Publication of WO2022147168A2 publication Critical patent/WO2022147168A2/en
Publication of WO2022147168A3 publication Critical patent/WO2022147168A3/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N10/00—Quantum computing, i.e. information processing based on quantum-mechanical phenomena
    • G06N10/20—Models of quantum computing, e.g. quantum circuits or universal quantum computers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N10/00—Quantum computing, i.e. information processing based on quantum-mechanical phenomena
    • G06N10/40—Physical realisations or architectures of quantum processors or components for manipulating qubits, e.g. qubit coupling or qubit control
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/12—Computing arrangements based on biological models using genetic models
    • G06N3/126—Evolutionary algorithms, e.g. genetic algorithms or genetic programming

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Evolutionary Computation (AREA)
  • Biophysics (AREA)
  • Data Mining & Analysis (AREA)
  • Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Pure & Applied Mathematics (AREA)
  • Evolutionary Biology (AREA)
  • Physiology (AREA)
  • Genetics & Genomics (AREA)
  • Biomedical Technology (AREA)
  • Computational Linguistics (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)

Abstract

A method of performing a quantum computation process includes mapping, by a classical computer, logical qubits to physical qubits of a quantum processor so that quantum circuits are executable using the physical qubits of the quantum processor and a total infidelity of the plurality of quantum circuits is minimized, wherein each of the physical qubits comprise a trapped ion, and each of the plurality of quantum circuits comprises single-qubit gates and two-qubit gates within the plurality of the logical qubits, calibrating, by a system controller, two-qubit gates within a first plurality of pairs of physical qubits, such that infidelity of the two-qubit gates within the first plurality of pairs of physical qubit is lowered, executing the plurality of quantum circuits on the quantum processor, by applying laser pulses that each cause a single-qubit gate operation and a two-qubit gate operation in each of the plurality of quantum circuits on the plurality of physical qubits, measuring, by the system controller, population of qubit states of the physical qubits in the quantum processor after executing the plurality of quantum circuits on the quantum processor, and outputting, by the classical computer, the measured population of qubit states of the physical qubits as a result of the execution the plurality quantum circuits, wherein the result of the execution the plurality quantum circuits are configured to be displayed on a user interface, stored in a memory of the classical computer, or transferred to another computational device.
PCT/US2021/065569 2020-12-31 2021-12-29 Optimal calibration of gates in a quantum computing system WO2022147168A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2023565340A JP2024505312A (en) 2020-12-31 2021-12-29 Optimal calibration of gates in quantum computing systems
EP21881344.2A EP4272132A2 (en) 2020-12-31 2021-12-29 Optimal calibration of gates in a quantum computing system
CN202180095064.2A CN117280354A (en) 2020-12-31 2021-12-29 Optimal calibration of gates in quantum computing systems

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US202063132954P 2020-12-31 2020-12-31
US63/132,954 2020-12-31
US17/531,520 US20220206866A1 (en) 2020-12-31 2021-11-19 Optimal calibration of gates in a quantum computing system
US17/531,520 2021-11-19

Publications (2)

Publication Number Publication Date
WO2022147168A2 WO2022147168A2 (en) 2022-07-07
WO2022147168A3 true WO2022147168A3 (en) 2022-08-18

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PCT/US2021/065569 WO2022147168A2 (en) 2020-12-31 2021-12-29 Optimal calibration of gates in a quantum computing system

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200125985A1 (en) * 2018-10-21 2020-04-23 President And Fellows Of Harvard College Qubit allocation for noisy intermediate-scale quantum computers

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200125985A1 (en) * 2018-10-21 2020-04-23 President And Fellows Of Harvard College Qubit allocation for noisy intermediate-scale quantum computers

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WO2022147168A2 (en) 2022-07-07

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