JDS Uniphase Corporation provides communications test and measurement solutions, and optical products. The company operates in three segments: Optical Communications, Communications Test and Measurement, and Advanced Optical Technologies. The Optical Communications segment provides components, modules, and subsystems used by communications equipment providers for telecommunications, data communications, and cable television networks. Its products include transmitters, receivers, amplifiers, multiplexers and demultiplexers, add/drop modules, switches, optical performance monitors and couplers, splitters, and circulators that enable the transmission of video, audio, and text data over fiber...