In 2016，the output value of electronic components began to rise stably，and China continued to lead the world. A large number of gallium nitride products entered the market and gradually were applied in military，space navigation，wireless infrastructure，satellite communication and wired broadband. In the future，the demand will rise exponentially. The silicon photoelectric integrated devices can bring the advantages of optical transmission into a full play，which attracts attention from each country. The types and integration level of integrated devices have been further promoted and in the next step will firstly bring a revolutionary influence to data centers.