StrataLight Communications was acquired by Opnext, Inc. effective January 9, 2009 and has become the Optical Subsystems business unit within Opnext. StrataLight Communications, Inc. designs and manufactures 40Gbps and 100Gbps long haul and ultra-long haul optical transport equipment. The company's product portfolio includes shelf-based transponders, multiplexing transponders, regenerators, and optical dispersion compensators in addition to module-based products. StrataLight's equipment is deployed by Tier-1 carriers and MSOs and sold through OEM partners. StrataLight Communications was founded in 2000 and is headquartered in Los Gatos, California.