Examinando por Materia "GRAFENO"
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- Artículo de Publicación PeriódicaA generic model for the study of supercontinuum generation in graphene-covered nanowires(2022-01) Linale, N.; Fierens, Pablo Ignacio; Vermeulen, N.; Grosz, Diego"We study supercontinuum (SC) generation in graphene-covered nanowires based on a generic model that correctly accounts for the evolution of the photon number under Kerr and two-photon absorption processes, and the influence of graphene is treated within the framework of saturable photoexcited-carrier refraction. We discuss the role of the various effects on the generation of SC by a thorough analysis of short-pulse propagation in two different kinds of graphene-covered nanowires, one made of silicon nitride and the other made of silicon. Finally, we discuss the effect of stacking graphene layers as a means to enhance SC generation with pulse powers compatible with those in integrated optical devices."