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Conference Papers Year : 2021

Analyzing crosstalk error in the NISQ era

Siyuan Niu
Aida Todri-Sanial

Abstract

Noisy Intermediate-Scale Quantum (NISQ) hardware has unavoidable noises, and crosstalk error is a significant error source. When multiple quantum operations are executed simultaneously, the quantum state can be corrupted due to the crosstalk between gates during simultaneous operations, decreasing the circuit fidelity. In this work, we first report on several protocols for characterizing crosstalk. Then, we discuss different crosstalk mitigation methods from the hardware and software perspectives. Finally, we perform crosstalk injection experiments on the IBM quantum device and demonstrate the fidelity improvement with the crosstalk mitigation method.
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Dates and versions

lirmm-03246688 , version 1 (02-06-2021)

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Siyuan Niu, Aida Todri-Sanial. Analyzing crosstalk error in the NISQ era. ISVLSI 2021 - IEEE Computer Society Annual Symposium on VLSI, Jul 2021, Tampa, FL (virtual), United States. pp.428-430, ⟨10.1109/ISVLSI51109.2021.00084⟩. ⟨lirmm-03246688⟩
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