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    Item type:Publication, Access status: without files ,
    Gray solitons on the surface of water
    (American Physical Society (APS), 2014-01-10)
    Chabchoub, Amin
    ;
    Kimmoun, Olivier
    ;
    Branger, Hubert
    ;
    Kharif, Christian
    ;
    Hoffmann, Norbert
    The dynamics of surface gravity water waves can be described by the self-defocusing nonlinear Schrödinger equation. Recent observations of black solitons on the surface of water confirmed its validity for finite, below critical depth. The black soliton is a limiting case of a family of gray soliton solutions with finite amplitude depressions. Here, we report observations of gray solitons in water waves, thus, complementing our previous observations of black solitons. © 2014 American Physical Society.
    Publicationtype: Journal Article
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    Item type:Publication, Access status: with files ,
    Experimental observation of dark solitons on the surface of water
    (American Physical Society (APS), 2013-03-21)
    Chabchoub, A.
    ;
    Kimmoun, O.
    ;
    Branger, H.
    ;
    Hoffmann, N.
    ;
    Proment, D.
    We present the first ever observation of dark solitons on the surface of water. It takes the form of an amplitude drop of the carrier wave which does not change shape in propagation. The shape and width of the soliton depend on the water depth, carrier frequency, and the amplitude of the background wave. The experimental data taken in a water tank show an excellent agreement with the theory. These results may improve our understanding of the nonlinear dynamics of water waves at finite depths. © 2013 American Physical Society.
    Publicationtype: Journal Article
    Scopus© Citations 94  113  72