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Narrowband high-fidelity all-fibre source of heralded single photons at 1570 nm


Reference:

McMillan, A. R., Fulconis, J., Halder, M., Xiong, C., Rarity, J. G. and Wadsworth, W. J., 2009. Narrowband high-fidelity all-fibre source of heralded single photons at 1570 nm. Optics Express, 17 (8), pp. 6156-6165.

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Official URL:

http://dx.doi.org/10.1364/OE.17.006156

Abstract

An all-fibre heralded single photon source operating at 1570 nm has been demonstrated. The device generates correlated photon pairs, widely spaced in frequency, through four-wave mixing in a photonic crystal fibre. Separation of the pair photons and narrowband filtering is all achieved in fibre. The output heralded single photon rate was 9.2 x 10(4) per second, with a counts-to-accidentals ratio of 10.4 and a heralding fidelity of 52%. Furthermore, narrowband filtering ensured that the output single photon state was near time-bandwidth limited with a coherence length of 4 ps. Such a source is well suited to quantum information processing applications.

Details

Item Type Articles
CreatorsMcMillan, A. R., Fulconis, J., Halder, M., Xiong, C., Rarity, J. G. and Wadsworth, W. J.
DOI10.1364/OE.17.006156
DepartmentsFaculty of Science > Physics
Research CentresCentre for Photonics and Photonic Materials
RefereedYes
StatusPublished
ID Code14195

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