An optical node for providing transport and switch functions on an incoming optical signal with a plurality wavelengths each with a plurality of signal components in a WDM optical network. The optical node includes a first module for taking, extracting and processing the plurality of wavelengths, a second...http://www.google.fr/patents/US20020141013?utm_source=gb-gplus-shareBrevet US20020141013 - Integrated optical networking transport/switching architecture
