Channel waveguides and their applications

摘要

The present invention relates to integrated optical channel waveguides and their applications as switches, modulators and sensors.;The channel waveguide has a shape of a channel-like structure which is located inside or on top of the planar substrate material and is defined by a narrow geometrically narrow shape, the confinement being perpendicular to the direction of propagation of light.;Single-mode integrated optical broadband channel waveguides have been described, which can, for example, guide light from the entire visible wavelength range, which is single mode, which effectively, ie consists of low light attenuation, and thus a practical single mode white light channel. It is known as a waveguide. If desired, light can be switched or modulated wavelength dependently or wavelength independent by, for example, electro-optical means.;The channel waveguide is basically manufactured by means of known processes, for example by changing the refractive index.