Chabchoub, A.Kibler, BertrandDudley, John MAkhmediev, Nail2015-12-131364-503Xhttp://hdl.handle.net/1885/75770We report the first experimental observation of periodic breathers in water waves. One of them is Kuznetsov-Ma soliton and another one is Akhmediev breather. Each of them is a localized solution of the nonlinear Schrödinger equation (NLS) on a constant b201410.1098/rsta.2014.00052015-12-11