Means for switching, reinforcement and modulation of optical radiation

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Means for switching over, reinforcement and modulation of optical radiation, the optical waveguides has a non-linear-optical, with the risk of spreading in its interior is formed of at least two optical unidirectional [...] -connected shafts, wherein an optical element for the separation of these waves on the output side of the device is provided, characterized in that the optical waveguide with ions of a rare earth element and/or with particles at least of a semiconductor at least is alloyed, and an optical element for the optical pumping of said optical waveguide is provided.