Companies that mass-produce optical modules

Leading companies that have mass-produced optical modules include Innolight, Eoptolink, Accelink, Hisense Broadband, HG Genuine, Source Photonics, Coherent (Finisar), Cisco (Acacia), Marvell, and Intel.Chinese ManufacturersInnolight (Zhongji Innolight Co., Ltd.): A global leader in datacom optical modules, Innolight produces high-speed modules including 100G, 200G, 400G, and 800G. It has achieved batch delivery of 800G and coherent modules, serving major cloud vendors like Meta, Google, and Amazon .Eoptolink: Focused on high-performance optical modules for data centers, telecom networks, and smart grids, Eoptolink has a wide product portfolio and serves over 300 customers globally .Accelink: Specializes in optical communication modules and has mass production capabilities for high-speed modules used in telecom and data center applications .Hisense Broadband: Engaged in R&D and production of optical communication products, supplying international markets including North America, Europe, and Asia .HG Genuine: Produces optical modules for various networking applications and has established mass production lines .Source Photonics: Although partially foreign-owned, it is considered a Chinese optical module manufacturer with mass production capabilities .International ManufacturersCoherent (formerly Finisar): Produces a wide range of optical modules, including high-speed coherent and pluggable modules, serving both telecom and data center markets .Cisco (Acacia): Manufactures optical modules for long-haul and metro networks, with large-scale production for global telecom infrastructure .Marvell: Provides high-speed DSP chips and SerDes technologies integrated into optical modules, supporting 400G and 800G production .Intel: Previously mass-produced silicon photonics pluggable optical modules, selling millions of units before divesting part of its optical module business .Key InsightsThese companies have achieved large-scale production of optical modules to meet the growing demand from data centers, cloud computing, AI clusters, and 5G networks. Chinese manufacturers, led by Innolight, have increasingly dominated the global market, while international players like Coherent, Cisco, and Intel continue to supply high-performance modules for specialized applications . The mass production of optical modules spans multiple data rates, including 100G, 200G, 400G, and 800G, and supports applications in telecommunications, enterprise networks, and hyperscale cloud infrastructure.