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Phys. Rev. A 65, 012314 (2001) [6 pages]

Simple scheme for efficient linear optics quantum gates

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T. C. Ralph*, A. G. White, W. J. Munro, and G. J. Milburn
Centre for Quantum Computer Technology, University of Queensland, QLD 4072, Australia

Received 15 April 2001; published 12 December 2001

We describe the construction of a conditional quantum control-NOT (CNOT) gate from linear optical elements following the program of Knill, Laflamme, and Milburn [Nature 409, 46 (2001)]. We show that the basic operation of this gate can be tested using current technology. We then simplify the scheme significantly.

© 2001 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.65.012314
DOI:
10.1103/PhysRevA.65.012314
PACS:
03.67.Lx

*FAX: +61 7 3365 1242. Email address: ralph@physics.uq.edu.au

 
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