Finisar Corporation was a fiber optic technology company that was founded in 1988 and acquired by II-VI Incorporated in 2019.
Finisar was a company offering fiber optic subsystems and components enabling high-speed voice, video, and data communications for networking, storage, wireless, and cable TV applications. Headquartered in Sunnyvale, California, the company had R&D, manufacturing sites, and sales offices around the world. Finisar's products facilitated high-speed communications for networking and storage applications over Gigabit Ethernet Local Area Networks (LANs), Fibre Channel Storage Area Networks (SANs), and Metropolitan Area Networks (MANs), using both IP and SONET/SDH-based protocols. On September 25th, 2019, Optoelectronics company II-IV Incorporated completed a $3.2B acquisition of Finisar.