Diffraction of cylindrical Bragg reflectors surrounding an in-plane semiconductor microcavity

D Ochoa, R Houdre, M Illegems, H Benisty, Thomas Fraser Krauss, CJM Smith

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)

Abstract

In-plane microresonators consisting of an AlxGa1-xAs heterostructure waveguide and deep etched cylindrical trenches give both out-of-plane and lateral-light confinement. The air trenches, acting as a Bragg reflector also allow diffraction into air, so that the far-field pattern reveals interesting information on the resonant cavity modes. By the use of a two-dimensional cylindrical model and a transfer-matrix method based on Hankel functions, the energy and angular dependences of the diffracted field are calculated and successfully compared to measurements.

Original languageEnglish
Pages (from-to)4806-4812
Number of pages7
JournalPhysical Review. B, Condensed matter and materials physics
Volume61
Issue number7
Publication statusPublished - 15 Feb 2000

Keywords

  • NEAR-INFRARED WAVELENGTHS
  • SPONTANEOUS EMISSION
  • MICRODISK LASERS
  • QUANTUM BOXES
  • MODE

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