Market rebound driven by AI, 5G, and broadband expansion. The global optical fiber cable market entered 2025 at an inflection point. After a trough in 2023-2024 driven by shrinking telecom capex in China and inventory destocking across the supply chain, demand has rebounded sharply, fueled by three structural forces: the accelerating buildout of AI data centers, a new wave of 5G-Advanced and submarine cable projects, and government-backed broadband expansion programs in North America and Europe. According to reconciled estimates from CRU, Grand View Research, Persistence Market Research, and i