2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/123699The negative shifts seen by Wang and Zhu are not due to the excitation of surface plasmons but to leaky modes of the slab propagating backward. Provided the characteristics of the LHM slab are chosen correctly, it is shown that a leaky surface plasmon can actually be excited using the KR configuration.Accepté pour publicationOpticstext