Nonlinear propagation of an optical speckle field

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Abstract

We provide a theoretical explanation of the results on the intensity distributions and correlation functions obtained from a random-beam speckle field in nonlinear bulk waveguides reported in the recent publication by Bromberg. We study both the focusing and defocusing cases and in the limit of small speckle size (short-correlated disordered beam) provide analytical asymptotes for the intensity probability distributions at the output facet. Additionally we provide a simple relation between the speckle sizes at the input and output of a focusing nonlinear waveguide. The results are of practical significance for nonlinear Hanbury Brown and Twiss interferometry in both optical waveguides and Bose-Einstein condensates.

Original languageEnglish
Article number053816
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume85
Issue number5
DOIs
StatePublished - 14 May 2012
Externally publishedYes

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