Infinera Corporation is a vertically integrated manufacturer of long-haul Wavelength division multiplexing (WDM) optical transmission equipment for the telecommunications service provider market. It was a pioneer in design and manufacture of large scale photonic integrated circuits (PICs). Headquartered in Sunnyvale, California, the company sells data communications equipment to network operators building the global infrastructure that underpins the Internet. The company’s systems can send large amounts of data on optical fiber cables. Infinera was founded in 2000 as Zepton Networks by Drew Perkins, Jagdeep Singh and David Welch.