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Type: Artigo de periódico
Title: Evidences of the simultaneous presence of bow-tie and diamond scars in rare-earth doped amorphous silicon microstadium resonators
Author: Figueira, DSL
Frateschi, NC
Abstract: Microdisks and microstadium resonators were fabricated on erbium doped amorphous hydrogenated silicon (a-Si: H < Er >) layers sandwiched in air and native SiO(2) on Si substrates. Annealing condition is optimized to allow large emission at 1550 nm for samples with erbium concentrations as high as 1.02 x 10(20) atoms/cm(3). Near field scanning optical microscopy shows evidence of the simultaneous presence of bow-tie and diamond scars. These modes indicate the high quality of the resonators and the potentiality for achieving amorphous silicon microcavity lasers. (C) 2008 American Institute of Physics.
Country: EUA
Editor: Amer Inst Physics
Citation: Journal Of Applied Physics. Amer Inst Physics, v. 103, n. 6, 2008.
Rights: aberto
Identifier DOI: 10.1063/1.2895387
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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