Progress in noise cancelling for quantum computers

A team from Dartmouth College and MIT has designed and conducted the first lab test to successfully detect and characterize a class of complex, “non-Gaussian” noise processes that are routinely encountered in superconducting quantum computers.

The characterization of complex noise in quantum computers is a critical step toward making the quantum systems more precise.

Future research will move from a single-sensor system to a two-sensor system, enabling the characterization of noise correlations across different qubits. (Nature)

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