Publisher’s Note: Observation of Geometric Parametric Instability Induced by the Periodic Spatial Self-Imaging of Multimode Waves [Phys. Rev. Lett. 116, 183901 (2016)]
Katarzyna Krupa, Alessandro Tonello, Alain Barthélémy, Vincent Couderc, Badr Mohamed Shalaby, Abdelkrim Bendahmane, Guy Millot, and Stefan Wabnitz
Phys. Rev. Lett. 116, 199902 – Published 13 May 2016