Oclaro, Inc., formerly Bookham, Inc., designs, manufactures and market optical components, modules and subsystems that generate, detect, amplify, combine and separate light signals principally for use in fiber optics communications networks. The Company operates in two business segments: telecom and advanced photonics solutions. Its telecom segment relates to the design, development, manufacture, marketing and sale of optical component products to telecommunications systems vendors. advanced photonics solutions which is focused on the design, manufacture, marketing and sale of optics and photonics solutions for markets including material processing, medical, industrial, printing and biotechnology. It principally sell its transmission and regeneration and optical routing products to telecommunications systems and components vendors, as well as to customers in data communications, military and aerospace. In December 2009, the Company acquired Xtellus, Inc.