Optical transmission and switching, optical access and optical devices are the largest market segments in the optical communication industry, and the optical device industry is the field with the fastest development momentum in recent years. Optical devices are the foundation and core of optical fiber communication systems, and are also the key to development. They are forward-looking, pioneering and exploratory strategies in the field of optical fiber communication. level and ability. The data shows that my country's optical fiber communication technology and products and equipment are already at the world's leading level, with the world's largest and most complete optical communication industry chain, and my country has also become the world's largest exporter of optical communication device products.

　　The reason is that there is still a big gap between the development capability and research level of my country's communication optoelectronic device technology compared with the international advanced level, which is mainly reflected in the following aspects:

　　1) There is a big gap between the key process technology capabilities and process platform level compared with foreign countries

　　In the basic theoretical research of communication optoelectronic devices, there is little gap between my country and foreign advanced level. However, the quality of key process technologies and the weak equipment conditions and platforms are the "bottlenecks" that restrict the research and development and sustainable development of my country's communication optoelectronic devices. There is a big gap with foreign countries in terms of capabilities, key equipment conditions for process technology research, etc. Although my country's basic theoretical research and basic technology on communication optoelectronic materials, chips and integration technology are relatively fully carried out in universities and some specialized research institutes, but also due to the limitations of process technology and equipment conditions, some basic theories and technology Research is seriously out of touch with practical application, and lacks sufficient pertinence and practical guidance. The contradiction that leads to more domestic frontier research results, but less transformation and promotion and application of the results is very prominent, and the "hollowing" problem of China's communication optoelectronic devices is very serious. Moreover, compared with the advanced level of foreign countries, there is a dangerous trend of growing gap in recent years.

　　2) The gap in high-end optoelectronic devices is becoming more and more obvious

　　China's communication optoelectronic device companies have few high-end core technologies with independent intellectual property rights, rely heavily on foreign chips and special materials, and have fewer products with core competitiveness, and the products they provide are mostly concentrated in the middle and low end. The added value of products is not high, and the competitiveness and profitability of the international market need to be improved; although some device manufacturing enterprises have a certain production scale, the technical and technological foundation for the sustainable development of the industry is relatively weak, and many enterprises have to rely on the middle and low end. Vicious price competition in products and low labor costs to survive, and gradually become an OEM factory that lacks core technology, does not have its own brand, and works for foreign companies. As JDSU, Oplink and other well-funded foreign device companies have set up camps in China one after another, the competition for talents has become increasingly fierce, and domestic related companies are facing the severe challenge of the continuous loss of excellent technical talents. The lack of domestic high-end technologies and products has also directly led to many domestic optical fiber communication equipment manufacturers (such as Huawei, Fiberhome, ZTE, etc.) that have considerable influence and status in the world, and have to rely on a large number of imported high-end components to build system equipment. It seriously restricts the international competitiveness of these equipment companies in related fields, and affects the further improvement and rapid development of their strategic position in the international market.

　　Technological Development of Optical Device Industry

　　Optical communication devices are the basis for building optical communication systems and networks. The development and popularization of optical fiber communication systems all depend on the breakthrough and practicality of optical communication device technology. The performance of optical communication devices—advanced, practical, flexible, Reliability and economy will directly affect the vitality and market competitiveness of the entire optical fiber communication system equipment. "Ultra-high speed, ultra-large capacity and ultra-long distance" is still the main direction of the development of optical fiber communication, and the development, upgrade and promotion of high-speed optical transmission equipment, long-distance optical transmission equipment and the most concerned intelligent optical network in the market all depend on With the support of technological progress of optoelectronic devices and product upgrading, the updating and upgrading of communication technology promotes the continuous development and progress of optoelectronic devices. To this end, the technological trend of the optical device industry will focus on the following two aspects: optoelectronic devices for smart optical networks and increasingly high-speed optical devices.

　　First of all, the flexibility of intelligent optical network system equipment mainly depends on the level of intelligence and dynamic tunability of optoelectronic devices and modules used in it. Therefore, optoelectronic devices and modules with multi-functional integration, adjustable parameters and dynamic monitoring of network performance are the core and foundation of smart optical networks, and the key to building next-generation smart optical networks.