Dielectric Bragg mirrors for InGaN surface-emitting lasers

RW Martin, T Kim, IM Watson, D Burns, MD Dawson, Thomas Fraser Krauss, JH Marsh, RM De La, S Romani, H Kheyrandish

Research output: Other contribution

8 Citations (Scopus)

Abstract

An approach to the fabrication of InGaN surface-emitting lasers using lateral epitaxial overgrowth (LEO) on patterned dielectric Bragg mirrors is described. The properties of SiO2/ZrO2 mirrors, annealed to simulate LEO conditions, were investigated using reflectance spectroscopy, electron microscopy,sputtered neutral mass spectrometry, and X-ray diffraction. The mirrors are shown to be sufficiently robust for the proposed application. We show that a blue-shift of the reflectivity stop-baud during annealing can be pre-compensated and that a slight reduction in peak reflectivity is related to the formation of crystallite microstructure within the ZrO2 layers.

Original languageEnglish
Volume176
Publication statusPublished - 16 Nov 1999

Keywords

  • LATERAL EPITAXIAL OVERGROWTH
  • FILMS

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