A large-scale one-way quantum computer in an array of coupled cavities

Details A large-scale one-way quantum computer in an array of coupled cavities A large-scale one-way quantum computer in an array of coupled cavities

2009-04-28

arxiv.org/abs/0904.4308v2

Physics

Quantum Physics

5 pages, 3 figures; new version corrects a minor typographical error and adds two references

Scientific paper

We propose an efficient method to realize a large-scale one-way quantum computer in a two-dimensional (2D) array of coupled cavities, based on coherent displacements of an arbitrary state of cavity fields in a closed phase space. Due to the nontrivial geometric phase shifts accumulating only between the qubits in nearest-neighbor cavities, a large-scale 2D cluster state can be created within a short time. We discuss the feasibility of our method for scale solid-state quantum computation

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