Scalable and Robust Randomized Benchmarking of Quantum Processes - INSPIRE

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Scalable and Robust Randomized Benchmarking of Quantum Processes

May 6, 2011

4 pages

Published in:

Phys.Rev.Lett. 106 (2011) 18, 180504

Published: May 6, 2011

DOI:

10.1103/PhysRevLett.106.180504

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Abstract: (APS)

In this Letter we propose a fully scalable randomized benchmarking protocol for quantum information processors. We prove that the protocol provides an efficient and reliable estimate of the average error-rate for a set operations (gates) under a very general noise model that allows for both time and gate-dependent errors. In particular we obtain a sequence of fitting models for the observable fidelity decay as a function of a (convergent) perturbative expansion of the gate errors about the mean error. We illustrate the protocol through numerical examples.

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