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Abstract

A system to characterize noise of a quantum gate can comprise a memory that stores, and a processor that executes, computer executable components that perform operations comprising generating a quantum circuit comprising one or more instances of a quantum gate of interest, and that generates the quantum circuit having each instance of the quantum gate of interest being bounded by a pair of Pauli gates, wherein each pair of Pauli gates comprises two of the same bounding Pauli gate, inserting, according to a determined probability, an initial Pauli gate, that is based on an initial quantum state of the quantum circuit, into the quantum circuit prior to the one or more instances, and, based on one or more parameters of a curve, to which an expectation value, resulting from a measurement outcome of execution of the quantum circuit, is fitted, generating an element characterizing the noise.

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First Claim