Input States for Quantum Gates

Gilchrist, A., Munro, W. J. and White, A. G. (2003) Input States for Quantum Gates. Physical Review A (Atomic, Molecular and Optical Physics), 67 4: 040304-1-040304-4. doi:10.1103/PhysRevA.67.040304

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Author Gilchrist, A.
Munro, W. J.
White, A. G.
Title Input States for Quantum Gates
Journal name Physical Review A (Atomic, Molecular and Optical Physics)   Check publisher's open access policy
ISSN 1050-2947
Publication date 2003
Sub-type Article (original research)
DOI 10.1103/PhysRevA.67.040304
Open Access Status File (Publisher version)
Volume 67
Issue 4
Start page 040304-1
End page 040304-4
Total pages 4
Place of publication College Park, MD, United States
Publisher American Physical Society
Collection year 2003
Language eng
Abstract We examine three possible implementations of non-deterministic linear optical cnot gates with a view to an in-principle demonstration in the near future. To this end we consider demonstrating the gates using currently available sources such as spontaneous parametric down conversion and coherent states, and current detectors only able to distinguish between zero or many photons. The demonstration is possible in the co-incidence basis and the errors introduced by the non-optimal input states and detectors are analysed.
Keyword Quantum gates
Input states
Coherent states
Nonoptimal input states
Quantum optics
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Physical Sciences Publications
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Created: Mon, 09 Feb 2004, 10:00:00 EST