Fiber based source of photon pairs at telecom band with high temporal coherence and brightness for quantum information processing

Details Fiber based source of photon pairs at telecom band with high temporal coherence and brightness for quantum information processing Fiber based source of photon pairs at telecom band with high temporal coherence and brightness for quantum information processing

2008-01-02

arxiv.org/abs/0801.0328v1

Physics

Quantum Physics

4 pages, 4 figures, submitted

Scientific paper

10.1364/OL.33.000593

We experimentally demonstrate a bright pulsed source of correlated photon pairs at 1550 nm telecom band by pumping 300 m dispersion shifted fiber with a 4 ps pulse train. We investigate the coherence property of the source by measuring the second order intensity correlation function $g^{(2)}$ of individual signal (idler) photons. A preliminary Hong-Ou-Mandel type two-photon interference experiment with two such sources confirms the high temporal and spatial coherence of the source. The source is suitable for multi-photon quantum interference of independent sources, required in quantum information processing.

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