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Increasing applicability of slow light in molecular aggregate nanofilms with two-exciton dynamics

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Díaz García, Elena y Cabrera Granado, Eduardo y Gómez Calderón, Óscar (2016) Increasing applicability of slow light in molecular aggregate nanofilms with two-exciton dynamics. Optics letters, 41 (11). pp. 2569-2572. ISSN 0146-9592

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URL Oficial: http://dx.doi.org/10.1364/OL.41.002569


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https://www.osapublishing.org/Editorial


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.


Tipo de documento:Artículo
Información Adicional:

© 2016 Optical Society of America.
Funding. MINECO (MAT2013-46308, FIS2013-
41709-P).

Palabras clave:Slow-light; Molecular aggregates; Exciton dynamics
Materias:Ciencias > Física
Ciencias > Física > Electromagnetismo
Ciencias > Física > Electrónica
Ciencias > Física > Física de materiales
Ciencias > Física > Física del estado sólido
Ciencias > Física > Optica
Ciencias > Física > Programación de ordenadores
Ciencias > Física > Química física
Código ID:40860
Depositado:20 Ene 2017 14:11
Última Modificación:23 Ene 2017 08:41

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