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The study of optical devices that are based on light transmission in planar waveguides, that is, dielectric structures that confine the propagating...



= Encyclopedia Article; = Research Update
Figure 1.Optical waveguide. (a) Optical intensity of the fundamental guided mode. (b) Ray picture of the guided mode.
From Encyclopedia article 'Integrated optics'
Figure 2.Two-dimensional transverse waveguiding. (a) Rib waveguide. (b) Diffused channel guide.
From Encyclopedia article 'Integrated optics'
Figure 3.Prism input coupling and grating output coupling. With the ray directions reversed, the grating acts as an input coupler and the prism as an output coupler.
From Encyclopedia article 'Integrated optics'