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Enhanced spontaneous Raman scattering in silicon photonic crystal waveguides on insulator.
Opt Express ; 17(5): 3500-7, 2009 Mar 02.
Artigo em Inglês | MEDLINE | ID: mdl-19259188
ABSTRACT
We study the spontaneous Raman scattering in a W1 photonic crystal waveguide on silicon-on-insulator where the lower silica cladding remains. Despite the vertical asymmetry that exists in such a waveguide, we numerically and experimentally show that the propagation losses at the pump and the Stokes wavelengths remain low enough to allow a significant exaltation of the spontaneous Raman scattering. In particular, we observe a reshaping of the Raman spectrum and a more than ten-fold enhancement of the Raman scattering efficiency in a W1 photonic crystal waveguide as compared to a single-mode ridge waveguide.

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Coleções: Bases de dados internacionais Base de dados: MEDLINE Idioma: Inglês Revista: Opt Express Assunto da revista: Oftalmologia Ano de publicação: 2009 Tipo de documento: Artigo País de afiliação: França