Domestic optical modules are more mature in industrialization, mass production, and customer acceptance than photonic chips. Key players: Zhongji Innolight, Accelink Technologies, and Xinyiseng demonstrate strong production capacity and supply chain stability at the module level. Supply chain disruptions in 2022 caused a. The optical module and data center interconnect (DCI) market is experiencing significant expansion, driven by the escalating demand for high-bandwidth connectivity, cloud computing, 5G networks, and data-intensive applications. The market, projected to reach $14. 6 billion by 2034, advancing at a compound annual growth rate (CAGR) of 11. Optical modules, which encompass transceivers, cables, amplifiers. Optical Modules Market Revenue was valued at USD 3. The Optical Modules Market encompasses the design, manufacturing, and deployment of compact, high-performance devices that facilitate. Optical module chips are semiconductor devices that enable high-speed data transmission in fiber optic networks. The self-sufficiency rate for 25G+ laser chips is now over 50%. This remains a critical "chokepoint" for full autonomy, driving intense R&D efforts.