Wavetek Microelectronics (聯穎光電股份有限公司, also known as Lianying Optoelectronics Co., Ltd) is a company that designs and manufactures GaAs (Gallium Arsenide) and InP (Indium-Phosphide) based optic devices. Its products include vertical-cavity surface-emitting lasers, PIN diodes, etc. The company caters to cable television and the internet of things (IoT), defense applications, optical fiber communications, and other industries.