Waveguide spectral multiplexers/demultiplexers |
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Authors: | T K Chekhlova I V Tcheremiskin |
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Institution: | (1) Department of Radiophysics, Russian People's Friendship University, Ul. Miklukho-Maklaya 6, 117198 Moscow, Russia |
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Abstract: | Configurations, basic characteristics, and the methods for implementation of wavelength-division multiplexers/demultiplexers
as the key elements of the end stations in fiber-optics eonnnunication systems axe considered. The most important studies
directed at practical implementation of wavelength-division multiplexers in specific devices based on SiO,~ and InP are reviewed
in detail. SiO2-based multiplexers exhibit lower losses, whereas devices based on InP make it possible to use the technologies
of microelectronics and integrating optics and to fabricate radiation sources and passive components on the same substrate.
Schemes for optical multiplexers with adding and dropping of channels and examples of their implementation are given. It is
emphasized that high-density wavelength-division multiplexers have small sizes and are fabricated by conventional lithography,
which makes them promising in wideband optical commmfieation systems. |
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Keywords: | |
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