Switchable discrete cavity solitons in 2D waveguide structure with defect Bahareh Haddadpour Khiaban, Keivan M. Aghdami and Reza Kheradmand Eur. Phys. J. D, 69 2 (2015) 53 Published online: 24 February 2015 DOI: 10.1140/epjd/e2014-50781-2