Estudo de laseres semicondutores de cavidades ressonantes não convencionais obtidas por plasma seco

AUTOR(ES)
DATA DE PUBLICAÇÃO

2001

RESUMO

A comprehensive treatment of unconventional micro-cavity lasers is presented. We explore all aspects of the development of these devices, covering from device fabrication, modeling, optimization and damage evaluation of plasma etching techniques, to device characterization. Great emphasis is placed on the spatial ad spectral characteristics of laser emission. We present, for the first time, the spectral behavior of Buminovich billiards lasers, where strong resonant mode suppression is observed due to scar modes (periodical orbits from chaotic 2D billiard systems) interaction. This suppression is greatly enhanced by preferential carrier injection along a diamond scar, which is achieved by He + implantation. Finally, we show the close relationship between cavity border deformation and the presence of scar orbits I stadium billiards

ASSUNTO(S)

orbitas lasers semicondutores comportamento caotico nos sistemas plasma (gases ionizados)

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