![]() “The error mitigation techniques that we are developing really exist on top of the hardware, but they depend strongly on being able to learn the noise from the device,” said Sheldon. ![]() These techniques are designed to trade off the speed at which a task is completed to achieve better accuracy. The new error mitigation tools introduced by Sheldon and her colleagues include probabilistic error cancelation (PEC) and zero-noise extrapolation (ZNE). Probabilistic Error Cancelation and Zero-noise Extrapolation Sarah Sheldon, the senior manager of theory and capabilities at IBM Quantum. Sheldon’s team specializes in developing algorithms that can bring the performance of quantum computers above that of classical computers, as well as tools for optimizing the performance of quantum systems. ![]() ![]() This summer, researchers at IBM announced error mitigation techniques to help move toward this goal.Īll About Circuits interviewed Sarah Sheldon, senior manager of the theory and capabilities team at IBM Quantum, to learn more about these advancements. Despite these advancements, many technical challenges still need to be overcome before these computers can be implemented on a larger scale.įor instance, before existing quantum algorithms can be implemented at high speeds, engineers must develop fault-tolerant and reliable quantum processors. In recent years, the scale, performance, and speed of quantum computers have significantly improved. ![]()
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