Por favor utiliza este link para citar o compartir este documento: http://repositoriodigital.academica.mx/jspui/handle/987654321/85868
Título: On the coupling of size-quantized excitons with light in one-dimensional dielectric-semiconductor photonic crystals
Palabras clave: Exciton
semiconductor nanostructures
photonic crystals
Fecha de publicación: 31-Jul-2012
Editorial: Revista mexicana de física
Descripción: The optical properties of exciton polaritons in one-dimensional photonic crystals are theoretically investigated. The periodic photonic structure is formed by two alternating layers, namely a local dielectric layer and a thin semiconductor one which is characterized by a nonlocal excitonic dielectric function. We calculate reflectivity spectra for one-dimensional MgO-CuCl photonic crystals, which exhibit a rich resonance structure because of the optical manifestation of size-quantized excitons. We study the changes in the resonance structure as the thickness of the thin semiconductor layer is varied. It is found that odd quantized-exciton modes are well manifest in the optical spectra in comparison with even states. We have also investigated the effect of both homogeneous bulk damping and interface-induced broadening upon the reflectivity resonances. The broadening due to interface disorder is calculated with the self-consistent Green's function method.
Other Identifiers: http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S0035-001X2008000800013
Aparece en las Colecciones:Revista Mexicana de Física

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