Opto-electronic, photonic and microphotonic components and devices, namely photonic integrated circuits, optical mixers, lasers, laser diodes, laser drivers, super luminescent laser diodes, photodiodes, integrated circuits; and semiconductor devices and instruments, namely semiconductor wafers, multiplexers, electronic multiplexers, demultiplexers, electronic demultimplexers, modulators, demodulators, modulator drivers, amplifiers, transimpedance amplifiers, automatic gain control amplifiers, limiter amplifiers, semiconductor optical amplifers, circuits, decision circuits, clock data recovery circuits, frequency converters, detectors, light intensity detectors, oscillators, filters, switches, couplers, cross-connects, phase shifters, splitters, wave guides, resonators, attenuators, transmitters, isolators, receivers, re-configurable add-drop multiplexers, integrated laser arrays, tunable lasers, Raman pump lasers, photonic gain chips, photonic laser chips, distributed feedback lasers, distributed Bragg reflector lasers, array waveguide gratings, optical channel monitors, wavelength converters, mode converters, and waveguide interferometers