OPTICAL SWITCHING NETWORKS COMPRISED OF COMPUTER HARDWARE AND SOFTWARE FOR PROVIDING OPTICAL COMMUNICATIONS PATHS BETWEEN PLURALITIES OF OPTICAL COMMUNICATIONS SOURCES; OPTICAL SWITCHING SYSTEMS COMPRISED OF COMPUTER HARDWARE AND SOFTWARE FOR ROUTING OF OPTICAL COMMUNICATIONS SIGNALS; OPTICAL NETWORK CONTROL AND SIGNAL PROCESSORS; MULTIPLE WAVELENGTH LASERS NOT FOR MEDICAL USE AND COMPONENT PARTS THEREOF; INTEGRATED OPTIC CIRCUITS; OPTICAL RECEIVERS; OPTICAL TRANSMITTERS; OPTICAL TRANSCEIVERS...