中信证券：看好长期“光进铜退”趋势不改，多模光纤有望加速放量

Core Viewpoint - The demand for optical fiber in data centers is rapidly increasing due to AI-driven interconnect needs, leading to accelerated evolution in the optical fiber industry and significant investments from major overseas companies [1] Industry Summary - The optical fiber industry is experiencing a transformation as major companies focus on the development of hollow-core optical fibers, which are expected to standardize technology and promote large-scale applications [1] - The trend of "optical fiber replacing copper" is anticipated to continue in the long term, with multi-mode optical fibers expected to see increased deployment [1] Company Summary - Corning's Q2 2025 financial report indicates a rapid growth in demand for optical communication interconnects driven by data centers, reinforcing the positive outlook for the optical fiber market [1]