Infinera Date:   Thursday , November 01, 2007 Infinera designs photonic integrated circuits intended to replace much larger components within optical networks. It also offers networking equipment built around these chips. Infinera’s chips are made from indium phosphide, a specialized compound semiconductor material that offers light-years faster performance than standard silicon. Customers include cable system operators, Internet service providers, and telecommunications carriers, such as Freenet, Global Crossing, Level 3 Communications (60 percent of sales), Qwest Communications, and XO Communications.