The core business includes R&D, design, production and sales of optical chips, optical devices and optical modules. The core products are narrow line-width lasers and tunable lasers, etc. Through technological innovation in the basic technology, core materials, special processes and special product preparation of optoelectronic chips, the IDM vertical integration model of chips, devices, components and modules is gradually formed. Fill the gap in the core technology products of coherent optical communication and coherent optical sensing in China, and provide the best quality technical solutions for optical fiber communication and optical fiber sensing.