Haelterman, M.Sheppard, A. P.2026-01-032026-01-030146-9592ORCID:/0000-0001-9792-4143/work/162947925https://hdl.handle.net/1885/733803352A novel type of vector dark solitary wave is shown to exist in Kerr materials. These solitary waves consist of localized structures separating adjacent regions (or domains) of different polarization eigenstates of the Kerr medium.3enPolarization domain walls in diffractive or dispersive Kerr media1994-01-1510.1364/OL.19.0000960027927331