9 OPTOELECTRONIC COMPONENTS, NAMELY LASERS FOR OPTICAL TRANSMISSION OF DATA; ACCESS AND INTERCONNECTION DEVICES, NAMELY, OPTICAL TRANSMITTERS, OPTICAL TRANSCEIVERS, OPTOELECTRONIC AND OPTICAL CONNECTORS, OPTOELECTRONIC AND OPTICAL SWITCHES, OPTOELECTRONIC AND OPTICAL COUPLERS, OPTOELECTRONIC AND OPTICAL LINKS, OPTOELECTRONIC AND OPTICAL JACKS, OPTOELECTRONIC AND OPTICAL PLUGS, OPTOELECTRONIC AND OPTICAL SPLITTERS, AND OPTICAL WAVELENGTH SELECTORS FOR OPTICAL TRANSMISSION NETWORKS; OPTICAL CONVERTERS; OPTICAL AMPLIFIERS; OPTICAL SWITCHES; OPTICAL FILTERS; OPTICAL DETECTORS; OPTICAL RECEIVERS; OPTICAL MODULATORS; OPTTICAL SYNCHRONIZERS; OPTICAL REGENERATORS; OPTICAL MULTIPLEXERS AND DEMULTIPLEXERS