Spectral broadening and nonlinear mode coupling in a gas-filled hollow core capillary. - Zurita-Miranda, Olivia; Fourcade-Dutin, Coralie; Béjot, Pierre; Fauquet, Frédéric; Maillotte, Hervé; Mounaix, Patrick; Bigourd, Damien (Applied Physics B: Lasers & Optics, 2024)