From the course: Quantum Computing Fundamentals

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Mitigate quantum measurement errors

Mitigate quantum measurement errors

From the course: Quantum Computing Fundamentals

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Mitigate quantum measurement errors

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- It seems like quantum computers have a lot of computational errors due to noise and other factors. Is there anything we can do to help reduce, or mitigate those errors? - The best solution would be to build better quantum computers with less noise, or unwanted randomness. And quantum researchers are working towards that goal every day, but physics... It's a hard problem to solve and the best quantum computers we have today still have a lot of noise and errors because they're physical systems working in delicate quantum states. - Well, what if we know something about the errors a specific quantum computer produces? If we knew the chances of measuring the wrong outcome from a known state, couldn't we use that information to fix the results of an unknown computation? - Now you're onto something. One way to characterize a specific quantum computer is with a set of simple quantum circuits. For example, in a two-qubit system,…

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