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Pré-Publication, Document De Travail Année : 2022

Analyzing Strategies for Dynamical Decoupling Insertion on IBM Quantum Computer

Siyuan Niu
Aida Todri-Sanial

Résumé

Near-term quantum devices are subject to errors and decoherence error is one of the non-negligible sources. Dynamical decoupling (DD) is a well-known technique to protect idle qubits from decoherence error. However, the optimal approach to inserting DD sequences still remains unclear. In this paper, we identify different conditions that lead to idle qubits and evaluate strategies for DD insertion under these specific conditions. Specifically, we divide the idle qubit into crosstalkidle or idle-idle qubit depending on its coupling with other qubits and report the DD insertion strategies for the two types of idle qubits. We also perform Ramsey experiment to understand the reasons behind the strategy choice. Finally, we provide design guidelines for DD insertion for small circuits and insights for large-scale circuit design.
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lirmm-03655688 , version 1 (29-04-2022)

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Siyuan Niu, Aida Todri-Sanial. Analyzing Strategies for Dynamical Decoupling Insertion on IBM Quantum Computer. 2022. ⟨lirmm-03655688⟩
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