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6 February 2007 2-D photonic crystal waveguides
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Abstract
Photonic crystals (PCs) have been one of the new, exhilarating topics in the last decade. The intent of this paper is to provide an understanding of two dimensional PC waveguides and the guiding mechanism associated with the structures. The basic understanding of two dimensional waveguides can be applied to more complex structures such as those found in three dimensional PCs. Results presented consist of different two dimensional waveguide cases, for both the line defect and the coupled cavity variety. It has been shown that PCs do not rely on index guiding, as conventional optical waveguides do, but that they do rely on distributed Bragg reflection. It has also been shown that in the case of defects, such as a waveguide, the size of the photonic bandgap is not the main determinant of wave confinement in that waveguide. The group index is a good measure of the degree of reflection one expects to see along the propagation direction of a waveguide.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Joanna N. Ptasinski "2-D photonic crystal waveguides", Proc. SPIE 6480, Photonic Crystal Materials and Devices VI, 64801K (6 February 2007); https://doi.org/10.1117/12.713967
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