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17 is a flow diagram illustrating an embodiment of a process for locating errors for quantum computing. 16 is a diagram illustrating an embodiment of a binary tree and output.įIG. 15 is a diagram illustrating an embodiment of a binary tree and output.įIG. 14 is a diagram illustrating an embodiment of a binary tree and output.įIG. 13 is a diagram illustrating an embodiment of a binary tree and output.įIG.

12 is a diagram illustrating an embodiment of a binary tree and output.įIG. 11 is a diagram illustrating an embodiment of a binary tree and output.įIG. 10 is a diagram illustrating an embodiment of a binary tree and output.įIG. 9 is a block diagram illustrating an embodiment of a previous measurement comparer's operation.įIG. 8 is a block diagram illustrating an embodiment of a previous measurement comparer's operation.įIG. 7 is a block diagram illustrating an embodiment of a previous measurement comparer's operation.įIG. 6A and 6B are tables illustrating an example of data locations in an embodiment of a quantum bit array.įIG. 5 is a block diagram illustrating an embodiment of a serializer.įIGS. 4 is a block diagram illustrating a difference location ranker.įIG. 3 is a block diagram illustrating an embodiment of a previous measurement comparer.įIG. 2 is a block diagram illustrating an embodiment of a quantum bit device.įIG. 1 is a block diagram illustrating an embodiment of a system for locating errors for quantum computing.įIG. Various embodiments of the invention are disclosed in the following detailed description and the accompanying drawings.įIG. However, the data processing required is thus at the scale of gigabits/second, which exceeds feasible processing rates for commercial general-purpose processors. In applications, this may require handling ˜10 3 physical qubits and measuring an ancilla bit from each of them at ˜10 6 Hz. To achieve this, it is necessary to measure classical ancilla bits and perform a complex classical error correction in times commensurate with the coherence time of the physical qubits. This permits logical qubits to be preserved for substantially longer than the typical coherence time of the physical qubits. Such schemes store single logical qubits in a lattice of physical qubits, and use quantum measurement and purely classical error correction to preserve the logical qubits in the face of experimental conditions. Topological Quantum Computing is a promising scheme for achieving general quantum computation.