英伟达40亿美元重注CPO，商用拐点临近？

Core Insights - Nvidia announced strategic partnerships with Lumentum and Coherent, investing $2 billion in each company to secure procurement commitments and future capacity rights, emphasizing the importance of optical interconnect technology and co-packaged optics (CPO) for the expansion of AI infrastructure [1] - The industry consensus is shifting towards "electrical computing and optical transmission" as traditional electrical interconnect technologies approach physical limits, with CPO expected to address the shortcomings of traditional optical modules [2] - CPO technology is anticipated to become mainstream within 2-3 years, with significant applications in server interconnects and challenges in chip-level interconnects being addressed through external laser source (ELS) solutions [3] Industry Developments - The CPO industry is accelerating towards commercialization, with growth expected across upstream silicon photonics chip manufacturing, midstream optical engine packaging, and downstream equipment integration [4] - Global companies like Intel, Marvell, and Broadcom are advancing CPO technology towards mass production, with Broadcom set to deliver the world's first 51.2 Tbps CPO Ethernet switch in 2024 [5] - Domestic companies such as Zhongji Xuchuang and Xinyi Sheng are also ramping up their CPO technology development efforts [5] Component Demand - The advancement of CPO technology is projected to drive significant growth in core components such as M9-grade copper-clad laminates, NPO/CPO optical engines, external laser sources, and fiber connection units [6]