At present, China has accounted for more than 50% of the world's production capacity in the field of fiber optics and fiber prefabricated rods.New technologies such as ultra-high capacity wavelength division multiplexing and space division multiplexing optical transmission systems are expected to further improve optical fiber data transmission capacity and save investment in optical communication equipment.

Despite the progress made in the field of optical communication, China's optical communication industry is still facing the pain of "lack of core".In the upstream industry, most of the key components are imported.In the field of optical devices, high-end products are heavily dependent on foreign countries.For example, Optical Xun Technology, Hisense Group and other domestic enterprises only produce active chips with energy less than 10G at present, and almost all 25G and 100G high-speed optoelectronic devices rely on imports. In the field of 400G/1T with higher speed, foreign enterprises have exhibited corresponding samples, and China has not yet entered the theoretical design stage.Relevant manufacturers need to speed up technological progress, achieve common progress of the whole industry chain, and better share the market opportunities brought by the industry boom