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Attraction of nonlocal dark optical solitons
Nikola I Nikolov1, Dragomir Neshev, Wieslaw Królikowski
1Informatics and Mathematical Modelling, Technical University of Denmark, 2800 Kongens Lyngby, Denmark.
Optics Letters
|February 5, 2004
Abstract:
We study the formation and interaction of spatial dark optical solitons in materials with a nonlocal nonlinear response. We show that unlike in local materials, where dark solitons typically repel, the nonlocal nonlinearity leads to a long-range attraction and formation of stable bound states of dark solitons.