KAIYUAN SECURITIES·2026-01-21 09:43Investment Rating - The industry investment rating is "Overweight" (maintained) [1] Core Insights - The report emphasizes the acceleration of the CPO (Co-Packaged Optics) industry driven by the silicon photonics trend, highlighting the increasing demand for CPO, optical modules, and liquid cooling solutions [4][5] - NVIDIA's recent product launches, including the Vera Rubin AI supercomputer, are expected to boost the demand for CPO and related technologies [4][5] - The report identifies key investment opportunities in the silicon photonics and CPO supply chain, recommending specific companies as potential beneficiaries [7] Summary by Sections Industry Overview - The report indicates a clear trend towards silicon photonics and CPO development, with significant implications for various sectors [6] Key Technologies and Products - The Vera Rubin NVL72 cabinet features advanced specifications, including 20 trillion transistors and enhanced memory capacities, which are expected to drive demand for related technologies [4] - The NVIDIA Spectrum-X Ethernet CPO supports significant bandwidth expansion, facilitating cluster scaling [5] Investment Opportunities - The report highlights four key focus areas in silicon photonics: silicon photonic engines, CW light sources, optical interconnects, and passive components, recommending specific companies for investment [6][7] - Recommended companies include: - "Four Key Focus" companies: Zhongji Xuchuang, Xinyi Sheng, Yuanjie Technology, and Tianfu Communication - "Three Small Dragons" in silicon photonics equipment and optical interconnects: Robotek, Zhishang Technology, and Juguang Technology [7]