Dispersion spreading of biphotons in optical fibres and two-photon interference
G. Brida, M. V. Chekhova, M. Genovese, M. Gramegna, L. A. Krivitsky
Abstract
We present the first observation of two-photon polarization interference structure in the second-order Glauber's correlation function of two-photon light generated via type-II spontaneous parametric down-conversion. In order to obtain this result, two-photon light is transmitted through an optical fibre and the coincidence distribution is analyzed by means of the START-STOP method. Beyond the experimental demonstration of an interesting effect in quantum optics, these results also have considerable relevance for quantum communications.
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