Experimental Characterization, Modeling, and Analysis of Crosstalk in a Quantum Computer
Abdullah Ash Saki, Mahabubul Alam, Swaroop Ghosh
Abstract
In this article, we present the experimental characterization of crosstalk in quantum information processor using idle tomography and simultaneous randomized benchmarking. We quantify both “quantum” and “classical” crosstalk in the device and analyze quantum circuits considering crosstalk. We show that simulation considering only gate-error deviates from experimental results up to 27%, whereas simulation considering both gate error and crosstalk match the experiments more accurately with an average mismatch as low as 4.52%. This article enables simulation of quantum circuits with experimental crosstalk error rates.
Topics & Concepts
CrosstalkComputer scienceQuantum computerElectronic circuitQuantumBenchmarkingElectronic engineeringPhysicsQuantum mechanicsEngineeringMarketingBusinessQuantum Computing Algorithms and ArchitectureQuantum and electron transport phenomenaAdvancements in Semiconductor Devices and Circuit Design