28 / 34 Algorithms & Fault Tolerance

What does a stabilizer syndrome reveal?

In stabilizer quantum error correction, what does the syndrome measurement reveal?

A

Information about which error occurred without directly measuring the encoded logical state

B

Information about the encoded logical state itself, which is then compared against a stored copy

C

Information about which error occurred, at the cost of collapsing the encoded logical state

D

Information about the final answer of the algorithm, read out one logical qubit at a time