Phys. Rev. Lett. 93, 040503 (2004) [4 pages]Optical Quantum Computation Using Cluster StatesReceived 2 February 2004; published 21 July 2004 We propose an approach to optical quantum computation in which a deterministic entangling quantum gate may be performed using, on average, a few hundred coherently interacting optical elements (beam splitters, phase shifters, single photon sources, and photodetectors with feedforward). This scheme combines ideas from the optical quantum computing proposal of Knill, Laflamme, and Milburn [ Nature (London) 409 46 (2001)], and the abstract cluster-state model of quantum computation proposed by Raussendorf and Briegel [ Phys. Rev. Lett. 86 5188 (2001)]. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.93.040503
DOI:
10.1103/PhysRevLett.93.040503
PACS:
03.67.Lx, 42.50.Ar
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