Abstract
Wavelength division multiplexing (WDM) techniques offer a very effective utilisation of the fiber bandwidth directly in the wavelength domain, rather than in the time domain. In addition, wavelength can be used to perform functions such as routing and switching [1], allowing the realisation of an all-optical transparent layer in the network [2]. The number of allowed wavelengths in WDM networks determines the number of independent wavelength addresses, or paths. Although this number may be large enough to fulfil the required information capacity, it is often insufficient to support a large number of nodes. Then the blocking probability rises due to possible wavelength contention when two channels, at the same wavelength, are to be routed to the same output. One method to overcome this limitation is to convert signals from one wavelength to another.
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© 1999 Springer Science+Business Media Dordrecht
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Sabella, R., Lugli, P. (1999). Wavelength Translators. In: High Speed Optical Communications. Telecommunication Technology and Applications Series. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-5275-8_7
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DOI: https://doi.org/10.1007/978-1-4615-5275-8_7
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