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Integrated photonics
Čtyroký, Jiří
In the lecture for secondary school physics teachers, principles of light propagation in dielectric waveguides are explained. Operation principles of passive, dynamic and active photonic devices, especially components for optical communnication are described, too. Finally, structures with high refractive-index contrast perspective for large-scale photonic integration are mentioned.
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Fiber lasers
Peterka, Pavel
Success of erbium doped fiber amplifiers in telecommunications stimulated also recent developments in the field of fiber lasers. Basic principles of fiber amplifiers and lasers are overviewed in the paper. Some applications of fiber lasers are described as well.
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Access and metropolitan area optical networks - state of the art and prospects for thir development
Kuchar, Anton
Optical metropolitan area networks are already being implemented in many countries and the optical access networks are at last taking off on a wider scale in some countries. Still, they present a bottleneck that has to be removed in order to satisfy the ever-growing demand for higher access bit rates. Technologies, architectures and services encountered in the optical access and metropolitan area networks, the state of affairs and the trends of development are discussed in the paper.
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