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Analysis of Heralded Single-Photon Source Using Four-Wave Mixing in Optical Fibers via Wigner Function and its Use in Quantum Key Distribution

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2 Author(s)
de Brito, D.B. ; Dept. de Eng. de Teleinformatica, Univ. Fed. do Ceara, Fortaleza, Brazil ; Ramos, R.V.

In this paper, we use the Wigner function in order to determine the photon number statistics of a heralded single-photon source constructed from a photon-pair source using four-wave mixing in optical fibers. Having this result, we discuss the performance of a quantum key distribution system when this kind of single-photon source is employed.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:46 ,  Issue: 5 )