Photon-loss-tolerant Zeno controlled-SIGN gate

Myers, Casey R. and Gilchrist, Alexei (2007) Photon-loss-tolerant Zeno controlled-SIGN gate. Physical Review A, 75 5: 052339-1-052339-5. doi:10.1103/PhysRevA.75.052339

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Author Myers, Casey R.
Gilchrist, Alexei
Title Photon-loss-tolerant Zeno controlled-SIGN gate
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
Publication date 2007-05-31
Year available 2007
Sub-type Article (original research)
DOI 10.1103/PhysRevA.75.052339
Open Access Status File (Publisher version)
Volume 75
Issue 5
Start page 052339-1
End page 052339-5
Total pages 5
Place of publication United States
Publisher American Physical Society
Collection year 2008
Language eng
Abstract We model an optical implementation of a controlled-SIGN gate that makes use of the quantum Zeno effect [Franson et al., Phys. Rev. A 70, 062302 (2004)] in the presence of photon loss. Gate operation is severely affected. However, we show that by using photon loss codes proposed for linear optical quantum computation (LOQC), performance is greatly enhanced, outperforming LOQC equivalents. The technique can be applied to other types of nonlinearities, making the implementation of nonlinear optical gates much more attractive.
Q-Index Code C1
Q-Index Status Confirmed Code

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Created: Wed, 26 Mar 2008, 14:58:30 EST by Anna Rogers on behalf of ARC Ctr of Excell for Quantum Computer Technology