Abstract

We show that by placing a slab of semiconductor material between two photonic bandgap (PBG) mirrors, waveguide modes at frequencies out of the PBG can be obtained. These modes are similar to the modes of a conventional dielectric slab waveguide. Using these modes, we can obtain very good coupling between a PBG waveguide and a dielectric slab waveguide with similar slab properties. We discuss the properties of these slab modes and outline the guideline for the optimization of the PBG waveguides based on these properties.

[IEEE ]

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References

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  1. A. Yariv, Y. Xu, R. K. Lee and A. Scherer, "Coupled-resonator optical waveguide: A proposal and analysis", Opt. Lett., vol. 24, pp. 711-713, 1999.
  2. I. El-Kady, M. M. Sigalas, R. Biswas and K. M. Ho, "Dielectric waveguides in two-dimensional photonic bandgap materials", J. Lightwave Technol., vol. 17, pp. 2042-2049, 1999.

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