Precise, detailed error budgets for 2-qubit gates from gate set tomography
ORAL
Abstract
Gate set tomography (GST) is widely known as a procedure for finding process matrices that describe quantum gates. We recently introduced a new representation of noisy gates using error generators (arXiv:2103.01928), and integrated it with GST. In this representation, GST's output is a simple, comprehensive, high-precision error budget for each gate. It also enables GST to characterize and report streamlined error models that focus exclusively on a particular system's dominant errors. We discuss several recent high-profile experiments (especially arXiv:2106.03082) that use this capability to report precise, detailed error budgets for 2-qubit gates.
*This work was funded in part by the U.S. Department of Energy, Office of Science, Office of Advanced Scientific Computing Research Quantum Testbed Program. Sandia National Labs is managed and operated by NTESS under DOE NNSA contract DE-NA0003525.
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Publication: arXiv:2103.01928
arXiv:2106.03082
Presenters
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Robin J Blume-Kohout
- Sandia National Laboratories