Optical communications products, namely optical wave guides, switches, multiplexers, demultiplexers, attenuators, transmitters, receivers and integrated circuits and optical communications subsystems and systems comprised thereof and used in optical communications and data networks

Optical communications products, namely optical wave guides, switches, attenuators, transmitters, receivers and integrated circuits, and optical communications subsystems and systems employing the same, wherein the optical communications products, subsystems, and systems are used in optical communications and data networks