Observation of resonant behavior in the energy velocity of diffused light

Year: 2007

Authors: Sapienza R., Garcia PD., Bertolotti J., Martin MD., Blanco A., Vina L., Lopez C., Wiersma D.

Autors Affiliation: Instituto de Ciencia de Materiales de Madrid (CSIC), Unidad Asociada CSIC-UVigo, Cantoblanco 28049 Madrid, Spain; European Laboratory for Nonlinear Spectroscopy, INFM-BEC, 50019 Sesto Fiorentino (Florence), Italy; Departamento de Fisica de Materiales, Universidad Autonoma de Madrid, Cantoblanco 28049 Madrid, Spain

Abstract: In this Letter we demonstrate Mie resonances mediated transport of light in randomly arranged, monodisperse dielectric spheres packed at high filling fractions. By means of both static and dynamic optical experiments we show resonant behavior in the key transport parameters and, in particular, we find that the energy transport velocity, which is lower than the group velocity, also displays a resonant behavior.

Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 99 (23)      Pages from: 233902-1  to: 233902-4

KeyWords: Dielectric materials; Electron energy levels; Energy transfer; Parameter estimation; Resonance, Energy transport velocity; Resonant behavior, Light transmission; Strongly scattering media
DOI: 10.1103/PhysRevLett.99.233902

Citations: 74
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