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Botey, M.; Martorell, J.; Lozano, G.; Míguez, H.; Dorado, L.A.; Depine, R.A. "Anomalous group velocity at the high energy range of real 3D photonic nanostructures" (2010) Photonic Crystal Materials and Devices IX. 7713
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Abstract:

We perform a theoretical study on the group velocity for finite thin artificial opal slabs made of a reduced number of layers in the spectral range where the light wavelength is on the order of the lattice parameter. The vector KKR method including extinction allows us to evaluate the finite-size effects on light propagation in the ΓL and ΓX directions of fcc close-packed opal films made of dielectric spheres. The group is index determined from the phase delay introduced by the structure to the forwardly transmitted electric field. We show that for certain frequencies, light propagation can either be superluminal -positive or negative- or approach zero depending on the crystal size and absorption. Such anomalous behavior can be attributed to the finite character of the structure and provides confirmation of recently emerged experimental results. © 2010 Copyright SPIE - The International Society for Optical Engineering.

Registro:

Documento: Conferencia
Título:Anomalous group velocity at the high energy range of real 3D photonic nanostructures
Autor:Botey, M.; Martorell, J.; Lozano, G.; Míguez, H.; Dorado, L.A.; Depine, R.A.
Ciudad:Brussels
Filiación:Departament de Fìsica I Enginyeria Nuclear, Universitat Politècnica de Catalunya, Barcelona, Spain
ICFO-Institut de Ciències Fotòniques, Castelldefels (Barcelona), Spain
Instituto de Ciencia de Materiales de Sevilla, Consejo Superior de Investigaciones Científicas, Sevilla, Spain
Departamento de Física, Facultad de Ciencias Exactas Y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
Palabras clave:Fast ligth; Nanomaterials; Photonic bandgap materials; Anomalous behavior; Artificial opals; Crystal size; Dielectric spheres; Fast ligth; Finite size effect; Group velocities; High-energy range; KKR method; Lattice parameters; Light wavelengths; Nanomaterials; Number of layers; Opal films; Phase delay; Photonic bandgap materials; Photonic nanostructures; Spectral range; Superluminal; Theoretical study; Electric fields; Energy gap; Group delay; Light propagation; Light velocity; Nanostructured materials; Photonic crystals; Spontaneous emission; Photonic devices
Año:2010
Volumen:7713
DOI: http://dx.doi.org/10.1117/12.855934
Título revista:Photonic Crystal Materials and Devices IX
Título revista abreviado:Proc SPIE Int Soc Opt Eng
ISSN:0277786X
CODEN:PSISD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0277786X_v7713_n_p_Botey

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Citas:

---------- APA ----------
Botey, M., Martorell, J., Lozano, G., Míguez, H., Dorado, L.A. & Depine, R.A. (2010) . Anomalous group velocity at the high energy range of real 3D photonic nanostructures. Photonic Crystal Materials and Devices IX, 7713.
http://dx.doi.org/10.1117/12.855934
---------- CHICAGO ----------
Botey, M., Martorell, J., Lozano, G., Míguez, H., Dorado, L.A., Depine, R.A. "Anomalous group velocity at the high energy range of real 3D photonic nanostructures" . Photonic Crystal Materials and Devices IX 7713 (2010).
http://dx.doi.org/10.1117/12.855934
---------- MLA ----------
Botey, M., Martorell, J., Lozano, G., Míguez, H., Dorado, L.A., Depine, R.A. "Anomalous group velocity at the high energy range of real 3D photonic nanostructures" . Photonic Crystal Materials and Devices IX, vol. 7713, 2010.
http://dx.doi.org/10.1117/12.855934
---------- VANCOUVER ----------
Botey, M., Martorell, J., Lozano, G., Míguez, H., Dorado, L.A., Depine, R.A. Anomalous group velocity at the high energy range of real 3D photonic nanostructures. Proc SPIE Int Soc Opt Eng. 2010;7713.
http://dx.doi.org/10.1117/12.855934