2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/143203In this letter we propose an original mechanism to select scar modes through coherent gain amplification in a multimode D-shaped fiber. More precisely, we numerically demonstrate how scar modes can be amplified by positioning a gain region in the vicinity of specific points of a short periodic orbit known to give rise to scar modes.Chaotic DynamicsPattern Formation and SolitonsOpticstext