9 Photonic integrated circuits; optical devices, namely, photonic and discrete and integrated optical devices, namely, optical transmitters, optical receivers, optical data links, optical transceivers, optical line terminals, namely, telecommunications equipment for the transmission of telephone, video, voice, data and internet signals over fiber-optic cable, optical network terminals, namely, telecommunications equipment for converting fiber-optic signals to electric signals for the transmission of telephone, video, voice, data and internet signals, optical network extenders, optical signal splitters for electronic apparatus, electrical power distribution frames, optical attenuators and fiber optic jumper cables, all for use in optical-based communication networking equipment, systems and subsystems; electronic and optical communications components, systems and subsystems, namely, optical switches and routers composed of hardware, software and firmware, all used for providing Internet access, providing access to and transmission of voice, video, audio and data, providing access to virtual private networks, connecting computer network users, connecting global computer networks, and for management of computer network elements; wavelength switches and microprocessors; integrated photonic systems and subsystems comprised of optical switches, routers and semiconductor optical amplifiers to allow the convergence of voice, data and video communications in a unified platform across multiple network infrastructures and communications protocols; all of the foregoing for use in a wide variety of applications, namely, telecommunications, data communications, optical communications, fiber optic sensing, testing and measurement, medical imaging and defense applications