EMCORE Corporation , a leading provider of compound semiconductor-based components and subsystems for the broadband and specialty fiber optics market, today announced that it completed the previously announced sale of its tunable laser and transceiver product lines to NeoPhotonics Corporation . In connection with the closing of the transaction, EMCORE received $1.5 million in cash and a promissory note from NeoPhotonics in the principal amount of $16 million.