Bookham Technology plc of Abingdon, UK, has acquired the optical amplifier and optical transmitter and receiver businesses of Nortel Networks Corp. As part of the agreement, subsidiary Nortel Networks Ltd. will buy $120 million in Bookham's optical components over an 18-month period. By incorporating Nortel's technology, Bookham will have the capacity to deliver multifunctional integrated active and passive modules and subsystems and an extended product range, which combines active and passive components and optical amplifiers.