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

doi:10.1364/OE.17.004670

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 journal › Article › peer-review

122 Citations (SciVal)

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 language	English
Pages (from-to)	4670-4676
Number of pages	7
Journal	Optics Express
Volume	17
Issue number	6
Early online date	9 Mar 2009
DOIs	https://doi.org/10.1364/OE.17.004670
Publication status	Published - 16 Mar 2009

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10.1364/OE.17.004670

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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.",

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AU - Halder, M

AU - Fulconis, J

AU - Cemlyn, B

AU - Clark, A

AU - Xiong, C

AU - Wadsworth, William J

AU - Rarity, J G

PY - 2009/3/16

Y1 - 2009/3/16

N2 - 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.

AB - 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.

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Nonclassical 2-photon interference with separate intrinsically narrowband fibre sources

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