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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|
|Abstract:||Microdisks and microstadium resonators were fabricated on erbium doped amorphous hydrogenated silicon (a-Si:H 〈Er〉) layers sandwiched in air and native Si O2 on Si substrates. Annealing condition is optimized to allow large emission at 1550 nm for samples with erbium concentrations as high as 1.02× 1020 atoms cm3. 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. © 2008 American Institute of Physics.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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