Physics – Quantum Physics
Scientific paper
2011-02-02
New J. Phys. 13: 095001 (2011)
Physics
Quantum Physics
19 pages, 13 Figs (2 Appendices with additional Figs.). Comments welcome
Scientific paper
In this paper we introduce a design for an optical topological cluster state computer constructed exclusively from a single quantum component. Unlike previous efforts we eliminate the need for on demand, high fidelity photon sources and detectors and replace them with the same device utilised to create photon/photon entanglement. This introduces highly probabilistic elements into the optical architecture while maintaining complete specificity of the structure and operation for a large scale computer. Photons in this system are continually recycled back into the preparation network, allowing for a arbitrarily deep 3D cluster to be prepared using a comparatively small number of photonic qubits and consequently the elimination of high frequency, deterministic photon sources.
Devitt Simon J.
Munro William J.
Nemoto Kae
Stephens Ashley M.
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