Basic Analysis on Optical Waveguides
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Dielectric optical waveguide, including circular section waveguide (optical fiber), slab waveguide, and strip waveguide, is used to confine the propagation of light in the application of optical waveguide devices and optical integrated circuits. The working frequency is in the range of visible and near-infrared region. The theory of dielectric optical waveguide is based on the conventional electromagnetic theory and the optical properties of optical materials. In this chapter, the Maxwell’s equations governing the optical propagation characteristics of the optical waveguide are introduced and the derived wave equations are given.