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Physics Letters A 375, 245–250 (2011)


Near-deterministic efficient all-optical quantum computation

Nguyen Ba An, Kisik Kim and Jaewan Kim

We propose a flexible scheme to prepare various kinds of useful entangled coherent states using weak cross-Kerr nonlinearities and strong laser fields. We then show that, with such entangled states as offline resources, near-deterministic quantum gates needed for coherent-state-based quantum computation can be efficiently implemented by means of in-line linear-optics elements.