The company, formerly known as Chilight Technologies, was founded in 2000 and is headquartered in Rehovot, Israel with an additional office in Dallas, Texas. Kailight Photonics offers tunable optical signal regenerators and other optical components for systems vendors in the telecommunications industry. Their advanced technology provides optical-networking solutions for long-haul network market segments. As of May 15, 2007, Kailight Photonics operates as a subsidiary of Optium Corporation.