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All optical wavelength conversion schemes for increased input power dynamic range

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Abstract

Optical wavelength converters will provide both flexibility and efficiency to future WDM networks due to the ability to allocate wavelengths on a link-to-link basis which in turn relaxes requirements to management and wavelength precision [1]. This has lead to a considerable attention to wavelength converters. Although different converters have been proposed the most promising seems to be the interferometric wavelength converters that use semiconductor optical amplifiers (SOAs) in interferometric structures such as Michelson (MI) and Mach-Zehnder (MZI) configurations [2]. These converters can be operated at high speed [3], they have low chirp [4,5] as well as regenerative capabilities [6] and are wavelength independent [5].

© 1997 Optical Society of America

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