Bulletin of the American Physical Society
2023 APS March Meeting
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session F72: Benchmarking Gates and Quantum Processes
8:00 AM–11:00 AM,
Tuesday, March 7, 2023
Room: Room 406
Sponsoring
Unit:
DQI
Chair: Corey Ostrove, Sandia National Laboratories
Abstract: F72.00002 : Markovianization through Dynamical Decoupling in Randomized Benchmarking
8:12 AM–8:24 AM
Presenter:
Pedro Figueroa Romero
(IQM Quantum Computers)
Authors:
Pedro Figueroa Romero
(IQM Quantum Computers)
Miha Papic
(IQM)
Adrian Auer
(IQM Quantum Computers)
Inés de Vega
(IQM Germany)
Kavan Modi
(Centre for Quantum Technology, Transport for New South Wales, Australia)
Min-Hsiu Hsieh
(Foxconn Quantum Computing Center, Taiwan)
We analytically predict a non-Markovian Average Sequence Fidelity (ASF) decay reducing to its Markovian counterpart, plus perturbative non-Markovian corrections, upon the application of suitable ideal DD pulses on a broad class of non-Markovian noise models. Furthermore, under finite-width DD pulses, we simulate and analyze the ASF for realistic noise sources, still obtaining an effective Markovianization of RB data in the fast and small-width DD sequence limit. Our results show a convenient and effective way of consuming non-Markovianity while benchmarking the error rates of the resulting Markovianized noise.
[1] G. D. Berk et. al., arXiv:2110.02613 [quant-ph] (2021).
[2] N. Ezzel et. al., arXiv:2207.03670 [quant-ph] (2022).
[3] J. Helsen et. al., PRX Quantum, 3, 020357 (2022).
[4] P. Figueroa-Romero, K. Modi & M.-H. Hsieh, arXiv:2202.11338 [quant-ph] (2022).
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