Dall, Robert; Hodgman, Sean; Manning, Andrew; Johnsson, Mattias; Baldwin, Kenneth; Truscott, Andrew
Speckle patterns produced by multiple independent light sources are a manifestation of the coherence of the light field. Second-order correlations exhibited in phenomena such as photon bunching, termed the Hanbury Brown-Twiss effect, are a measure of quantum coherence. Here we observe for the first time atomic speckle produced by atoms transmitted through an optical waveguide, and link this to second-order correlations of the atomic arrival times. We show that multimode matter-wave guiding,...[Show more]
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