Title: | Modulation Instability and Pattern Formation in Spatially Incoherent Light Beams | Authors: | Kip, Detlef Soljacic, Marin Segev, Mordechai Eugenieva, Evgenia Christodoulides, Demetrios N. |
Language: | eng | Issue Date: | Mai-2000 | Publisher: | American Association for the Advancement of Science | Document Type: | Article | Journal / Series / Working Paper (HSU): | Science | Volume: | 290 | Issue: | 5491 | Page Start: | 495 | Page End: | 498 | Publisher Place: | Washington, DC | Abstract: | We present the first experimental observation of modulation instability of partially spatially incoherent light beams in non-instantaneous nonlinear media. We show that even in such a nonlinear partially coherent system (of weakly-correlated particles) patterns can form spontaneously. Incoherent MI occurs above a specific threshold that depends on the beams' coherence properties (correlation distance), and leads to a periodic train of one-dimensional (1D) filaments. At a higher value of nonlinearity, incoherent MI displays a two-dimensional (2D) instability and leads to self-ordered arrays of light spots. |
Organization Units (connected with the publication): | Universität Osnabrück | URL: | http://arxiv.org/abs/physics/0005083v1 | ISSN: | 0036-8075 | Verlags-DOI: | 10.1126/science.290.5491.495 |
Appears in Collections: | 6 - Publication references (without fulltext) of your publications before HSU |
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