| Título: | Increasing applicability of slow light in molecularaggregate nanofilms with two-exciton dynamics |
| Autores: | Díaz García, Elena ; Cabrera Granado, Eduardo ; Gómez Calderón, Óscar |
| Tipo de documento: | texto impreso |
| Fecha de publicación: | 2016-05-25 |
| Dimensiones: | application/pdf |
| Nota general: | info:eu-repo/semantics/openAccess |
| Idiomas: | |
| Palabras clave: | Estado = Publicado , Materia = Ciencias: Física , Materia = Ciencias: Física: Electromagnetismo , Materia = Ciencias: Física: Electrónica , Materia = Ciencias: Física: Física de materiales , Materia = Ciencias: Física: Física del estado sólido , Materia = Ciencias: Física: Optica , Materia = Ciencias: Física: Programación de ordenadores , Materia = Ciencias: Física: Química física , Tipo = Artículo |
| Resumen: |
We study the slow-light performance in the presence of exciton – exciton interaction in films of linear molecular aggregates at the nanometer scale. In particular, we consider a four-level model to describe the creation/annihilation of two-exciton states that are relevant for high-intensity fields. Numerical simulations show delays comparable to those obtained for longer propagation distances in other media. Two-exciton dynamics could lead to larger fractional delays, even in presence of disorder, in comparison to the two-level approximation. We conclude that slow-light performance is a robust phenomenon in these systems under the increasing complexity of the two-exciton dynamics. |
| En línea: | https://eprints.ucm.es/40860/1/OL_41_2569_%282016%29_eprints.pdf |
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