Nonclassical 2-photon interference with separate intrinsically narrowband fibre sources.

  title={Nonclassical 2-photon interference with separate intrinsically narrowband fibre sources.},
  author={Matth{\"a}us M Halder and J. Fulconis and Ben Cemlyn and Alex Clark and Chunle Xiong and William J. Wadsworth and John G. Rarity},
  journal={Optics express},
  volume={17 6},
In this paper, we demonstrate a source of photon pairs based on four-wave-mixing in photonic crystal fibres. Careful engineering of the phase matching conditions in the fibres enables us to create photon pairs at 597 nm and 860 nm in an intrinsically factorable state showing no spectral correlations. This allows for heralding one photon in a pure state and hence renders narrow band filtering obsolete. The source is narrow band, bright and achieves an overall detection efficiency of up to 21… CONTINUE READING
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Tailored photon-pair generation in optical fibers.

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Conditional preparation of single photons using parametric downconversion: a recipe for purity

P. J. Mosley, J. S. Lundeen, B. J. Smith, I. A. Walmsley
New Journal of Physics 10(9), 093,011– (2008). • 2008
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