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Quantum Error Correction Fault Tolerance Quantum Circuit Design Gate Engineering Quantum Machine Learning

QSweep: Pulse-Optimal Single-Qudit Synthesis

arXiv
Authors: Ed Younis, Noah Goss

Year

2023

Paper ID

53430

Status

Preprint

Abstract Read

~2 min

Abstract Words

91

Citations

N/A

Abstract

The synthesis of single-qudit unitaries has mainly been understudied, resulting in inflexible and non-optimal analytical solutions, as well as inefficient and impractical numerical solutions. To address this challenge, we introduce QSweep, a guided numerical synthesizer that produces pulse-optimal single-qudit decompositions for any subspace gateset, outperforming all prior solutions. When decomposing ququart gates, QSweep created circuits 4100x (up to 23500x) faster than QSearch with an average of 7.9 fewer pulses than analytical solutions, resulting in an overall 1.54x and 2.36x improvement in experimental single-qutrit and ququart gate fidelity as measured by randomized benchmarking.

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  • The synthesis of single-qudit unitaries has mainly been understudied, resulting in inflexible and non-optimal analytical solutions, as well as inefficient and impractical...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2312.09990 [2] arXiv https://arxiv.org/abs/2312.09990 [3] Publisher https://arxiv.org/abs/2312.09990

Local Citation Graph (Related-Paper Links)

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