Optical and Quantum Electronics

, Volume 35, Issue 11, pp 1025–1036 | Cite as

High resonant reflection of a confined free space beam by a high contrast segmented waveguide

  • E. Bonnet
  • X. Letartre
  • A. Cachard
  • A.V. Tishchenko
  • O. Parriaux
Article

Abstract

High resonant reflection of a free space wave from a deeply corrugated slab waveguide is shown to take place in the case of a focused free space beam under normal incidence. It is described as a result of a strong intra-guide coupling coefficient allowing the coupled wave to be closely localized under the incident beam, therefore to interfere with it with high contrast effects. The coupled mode inspired analysis gives the possibility of optimizing the resonant structure; it is related and compared with the photonic crystal vision of the same functional structure to which it confers more intelligibility.

coupled modes coupling gratings diffraction gratings photonic crystals resonant reflection 

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References

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Copyright information

© Kluwer Academic Publishers 2003

Authors and Affiliations

  • E. Bonnet
    • 1
  • X. Letartre
    • 2
  • A. Cachard
    • 1
  • A.V. Tishchenko
    • 1
  • O. Parriaux
    • 2
  1. 1.Laboratoire TSI UMR CNRS 5516Université Jean MonnetSaint-EtienneFrance;
  2. 2.LEOMEcole Centrale de Lyon, F-EcullyFrance

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