Design of electromagnetic modes in photonic crystal optical waveguides

We present a systematic method for designing electromagnetic modes in dielectric-core photonic crystal optical waveguides. We show that the guided modes of the photonic crystal waveguides are mainly confined to the guiding region. The properties of these modes can be modified by changing the geometry of the air holes next to the guiding region. We show how this concept can be used to design single-mode photonic crystal waveguides. We also describe a method for changing the slope of the dispersion diagrams of these guided modes.

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