JDSU JDS Uniphase Corporation designs and manufactures products for fiber-optic communications, as well as for markets where its core optics technologies provide solutions for industrial, commercial and consumer applications. The Company's fiber-optic components and modules are deployed by system manufacturers for the telecommunications, data communications and cable television industries. JDS also offers products for display, security, medical/environmental instrumentation, decorative, aerospace and defense applications. The Company operates in two principal segments.