Manufacturer of 800G Optical Modules

Leading manufacturers of 800G optical modules include InnoLight, Coherent (II-VI), Lumentum, Accelink, Huawei, Source Photonics, and ESTEL.Key Global ManufacturersInnoLight Technology: A Chinese company specializing in high-speed optical transceivers, offering modules for 100G, 200G, 400G, and 800G applications. InnoLight serves major cloud and telecom customers worldwide and has achieved batch delivery of 800G modules .Coherent (formerly II-VI Finisar): Provides a full line of optical modules including 800G transceivers. Coherent focuses on high-speed optics and coherent technology for data centers and telecom networks .Lumentum Operations LLC: Designs and manufactures 400G and 800G optical modules, emphasizing coherent optics and integrated laser technology for data center and cloud infrastructure .Accelink Technology Co. Ltd: Based in China, Accelink produces optical transceivers and modules for high-speed networks, including 800G solutions, with a focus on cost-efficient and reliable performance .Huawei Technologies Co. Ltd: Offers a broad range of optical transceivers, including 800G modules, supporting backbone, metro, and data center networks. Huawei invests heavily in coherent and silicon photonics technologies .Source Photonics: A U.S.-headquartered company with strong manufacturing capabilities in Asia, producing 800G optical modules for cloud and hyperscale data center applications .ESTEL: A European manufacturer producing high-performance 100G, 400G, and 800G optical transceivers for data centers, metro, and long-haul networks. ESTEL emphasizes local production, quality control, and advanced automation .Other Notable PlayersEoptolink, Huagong Tech, Linktel, CIG Shanghai: Chinese companies active in high-speed optical module production, including 800G modules, serving telecom and data center markets .Upstream PCB and Chip Suppliers: Companies like Unimicron Technology, Shengyi Electronics, Yuanjie Semiconductor, and Shijia Photons support the 800G module supply chain by providing high-speed PCBs and optical chips .Market ContextThe 800G optical module market is rapidly growing due to increasing demand from hyperscale data centers, AI workloads, and high-speed telecom networks. Manufacturers are focusing on high-density, low-power, and coherent optical solutions to meet these requirements. The market is expected to expand significantly in the coming years, with strong competition between global and Chinese vendors . These companies collectively provide a comprehensive ecosystem for 800G optical modules, covering pluggable transceivers, coherent modules, and integrated photonic solutions for next-generation networking infrastructure.