Quantum error correction in globally controlled arrays

Details Quantum error correction in globally controlled arrays Quantum error correction in globally controlled arrays

2003-08-21

arxiv.org/abs/quant-ph/0308113v2

Physics

Quantum Physics

Extended version; 10 pages, 7 figures, 1 table

Scientific paper

An interesting concept in quantum computation is that of global control (GC), where there is no need to manipulate qubits individually. One can implement a universal set of quantum gates on a one-dimensional array purely via signals that target the entire structure indiscriminately. But large-scale quantum computation imposes several requirements in terms of noise level, time, space (scaling) and in particular parallelism. Keeping in mind these requirements, we prove GC can support error-correction, by implementing two simple codes. This opens the way to fault-tolerant computation with this type of architecture.

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