Abstract
All-optical wavelength conversion and regeneration have, since 20 years,
attracted a lot of interest thanks to their potential applications and
sophisticated working principles; however, they have not yet led to
practical products that could be deployed in the real networks. We present
here a critical review of the greatest achievements and main type of
solutions that have been demonstrated. We then discuss the still-open issues
that should be addressed in order to see the practical
implementations.
© 2011 IEEE
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