Shenzhen Photonx Technology (微源光子(深圳)科技有限公司) is a company that specializes in the design and production of optoelectronics. It offers products such as single-frequency narrow-linewidth and tunable narrow-linewidth semiconductor lasers and modules, photonic crystal lasers, etc. The company serves coherent optical communication, lidar, fiber-optic sensing, laser ranging, scientific research, and other sectors.