光模块“顶流”争鸣光博会 产业链吹响扩产号角

Core Insights - The optical module index sector has seen a doubling in growth this year, with the total market capitalization of listed companies exceeding 1.1 trillion yuan [1] - The 26th China International Optoelectronic Expo showcased leading companies in the optical module industry, highlighting advancements in 1.6T optical modules, which are expected to be commercially available by 2025 [1][2] - The demand for optical modules is driven by high bandwidth requirements in large data centers and AI computing clusters, with a notable shift towards 1.6T products for overseas markets [2][3] Industry Trends - The expo attracted over 7 million visitors, with a 17% increase compared to last year, indicating strong interest in the optical communication sector [2] - Major companies are focusing on high-end technologies, with 1.6T optical modules being a key area of development, while 400G/800G modules remain the primary products in the domestic market [2][3] - The product update cycle for optical modules has decreased from 3-4 years to 2-3 years, reflecting rapid advancements in technology driven by AI computing needs [4] Technological Developments - Various technological routes are being explored, including EML and silicon photonics, with domestic manufacturers making breakthroughs in mid-to-low-speed EML chips [4][5] - Silicon photonics is gaining traction due to its cost and power efficiency advantages, although challenges remain in standardization and material compatibility [5] - New technologies such as glass-based 3D waveguide chips and multi-core fiber products are being developed to enhance transmission quality and capacity [5] Market Dynamics - Investment institutions are optimistic about the optical module industry's prospects, with target prices for key companies being raised [6] - Companies are actively expanding production capabilities, with many hiring for core technical positions, reflecting a robust market demand [6][7] - Supply chain challenges persist, particularly in raw material availability, which is impacting production capacity and costs [6][7]