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Active textured metallic microcavity

  • H. L. Tam
  • , R. Huber
  • , K. F. Li
  • , W. H. Wong
  • , Y. B. Pun
  • , S. K. So
  • , K. W. Cheah*
  • *Corresponding author for this work
  • Hong Kong Baptist University
  • Technical University of Munich
  • City University of Hong Kong

Research output: Contribution to journalConference articlepeer-review

Abstract

Electron-beam lithography was used to create a two-dimensional wavelength-scale periodic texture on one of the cavity mirrors with nanometer precision. In the microcavity, Bragg scattering is expected to provide a full continuous optical band gap and flat dispersion of optical waveguide modes in the visible regime. When the luminescing material is placed inside the 2D patterned microcavity, the coupling of the luminescing matter to the photonic eigenmodes of the metallic microcavity is observed. We found that planar microcavity transmission result is in good agreement with the theoretical calculation. For the laterally structured metallic microcavity samples, we found that the dispersion of optical modes inside the microcavity is significantly altered compared with the planar metallic microcavity.

Original languageEnglish
Pages (from-to)446-448
Number of pages3
JournalPhysica E: Low-Dimensional Systems and Nanostructures
Volume17
Issue number1-4
DOIs
StatePublished - Apr 2003
Externally publishedYes
EventProceedings pf the International Conference on Superlattices - ICSNN 2002 - Touluse, France
Duration: 22 Jul 200226 Jul 2002

Keywords

  • Microcavity
  • Optical band gap
  • Photonic band structure
  • Waveguide

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