Nonclassical 2-photon interference with separate intrinsically narrowband fibre sources

M Halder, J Fulconis, B Cemlyn, A Clark, C Xiong, William J Wadsworth, J G Rarity

Research output: Contribution to journalArticle

103 Citations (Scopus)

Abstract

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% per photon. For the first time, a Hong-Ou-Mandel interference with unfiltered photons from separate fibre sources is presented.
Original languageEnglish
Pages (from-to)4670-4676
Number of pages7
JournalOptics Express
Volume17
Issue number6
Early online date9 Mar 2009
DOIs
Publication statusPublished - 16 Mar 2009

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narrowband
interference
fibers
photons
spectral correlation
phase matching
four-wave mixing
engineering
photonics
crystals

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Halder, M., Fulconis, J., Cemlyn, B., Clark, A., Xiong, C., Wadsworth, W. J., & Rarity, J. G. (2009). Nonclassical 2-photon interference with separate intrinsically narrowband fibre sources. Optics Express, 17(6), 4670-4676. https://doi.org/10.1364/OE.17.004670

Nonclassical 2-photon interference with separate intrinsically narrowband fibre sources. / Halder, M; Fulconis, J; Cemlyn, B; Clark, A; Xiong, C; Wadsworth, William J; Rarity, J G.

In: Optics Express, Vol. 17, No. 6, 16.03.2009, p. 4670-4676.

Research output: Contribution to journalArticle

Halder, M, Fulconis, J, Cemlyn, B, Clark, A, Xiong, C, Wadsworth, WJ & Rarity, JG 2009, 'Nonclassical 2-photon interference with separate intrinsically narrowband fibre sources', Optics Express, vol. 17, no. 6, pp. 4670-4676. https://doi.org/10.1364/OE.17.004670
Halder, M ; Fulconis, J ; Cemlyn, B ; Clark, A ; Xiong, C ; Wadsworth, William J ; Rarity, J G. / Nonclassical 2-photon interference with separate intrinsically narrowband fibre sources. In: Optics Express. 2009 ; Vol. 17, No. 6. pp. 4670-4676.
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