Nonlinear propagation of an optical speckle field

Stanislav Derevyanko*, Eran Small

*Corresponding author for this work

Research output: Contribution to journalArticle

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 et al. [Nat. Photonics 4, 721 (2010)].. 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
Volume85
Issue number5
DOIs
Publication statusPublished - 14 May 2012

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