Abstract

We demonstrate a picosecond source of correlated photon pairs using a micro-structured fibre with zero dispersion around 715 nm wavelength. The fibre is pumped in the normal dispersion regime at ~708 nm and phase matching is satisfied for widely spaced parametric wavelengths. Here we generate up to 10^7 photon pairs per second in the fibre at wavelengths of 587 nm and 897 nm, while on collecting this light in single-mode-fibre-coupled Silicon avalanche diode photon counting detectors, we detect ~3.2x10^5 coincidences per second at pump power 0.5 mW.

© 2005 Optical Society of America

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History
Original Manuscript: June 27, 2005
Revised Manuscript: September 7, 2005
Published: September 19, 2005

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Author Affiliations

W. Wadsworth, P. Russell

University of Bath

J. Fulconis, O. Alibart, J. Rarity

University of Bristol

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