Finisar Corporation is a manufacturer of optical communication components and subsystems. The company was founded in April 1987 by Frank Levinson and Jerry Rawls in Menlo Park, California. In November 1999, it went public via an initial public offering. In 2008 Finisar merged with Optium Corporation. In September 2019, Finisar was acquired by II-VI Incorporated for US$3.2 billion.