Dispersion spreading of biphotons in optical fibers and two-photon interference

Brida, G; Chekhova, MV; Genovese, M; Gramegna, M; Krivitsky, LA

doi:10.1103/PhysRevLett.96.143601

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Dispersion spreading of biphotons in optical fibers and two-photon interference

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Brida, G., Chekhova, M., Genovese, M., Gramegna, M., & Krivitsky, L. (2006). Dispersion spreading of biphotons in optical fibers and two-photon interference. PHYSICAL REVIEW LETTERS, 96(14): 143601. doi:10.1103/PhysRevLett.96.143601.

Cite as: https://hdl.handle.net/21.11116/0000-0001-DF66-2

Abstract

We present the first observation of two-photon polarization interference structure in the second-order Glauber 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 fiber 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.