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Trapped Ion Quantum Computing

Individually-addressed quantum gate interactions using dynamical decoupling

arXiv

Authors: M. C. Smith, A. D. Leu, M. F. Gely, D. M. Lucas

Year

2023

Paper ID

55166

Status

Preprint

Abstract Read

~2 min

Abstract Words

118

Citations

N/A

Abstract

A leading approach to implementing small-scale quantum computers has been to use laser beams, focused to micron spot sizes, to address and entangle trapped ions in a linear crystal. Here we propose a method to implement individually-addressed entangling gate interactions, but driven by microwave fields, with a spatial-resolution of a few microns, corresponding to 10^-5 microwave wavelengths. We experimentally demonstrate the ability to suppress the effect of the state-dependent force using a single ion, and find the required interaction introduces 3.7(4)times 10^-4 error per emulated gate in a single-qubit benchmarking sequence. We model the scheme for a 17-qubit ion crystal, and find that any pair of ions should be addressable with an average crosstalk error of sim 10^-5.

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This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
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A leading approach to implementing small-scale quantum computers has been to use laser beams, focused to micron spot sizes, to address and entangle trapped ions in a linear...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2309.02125 [2] arXiv https://arxiv.org/abs/2309.02125 [3] Publisher https://arxiv.org/abs/2309.02125

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