


Group 1 - The core viewpoint is that the demand for data center interconnectivity driven by AI is accelerating the evolution of the optical fiber industry, with a positive outlook on the standardization of hollow core fiber technology leading to large-scale applications [1] - Hollow core fiber is expected to experience explosive growth due to its significant advantages over traditional glass core fibers, including a 47% faster transmission speed, a 31% reduction in latency, and an attenuation coefficient as low as 0.05 dB/km [1] - Microsoft has taken the lead in the hollow core fiber space by acquiring Lumensity in December 2022 and planning to deploy 15,000 kilometers of hollow core fiber within the next 24 months to enhance data transmission capabilities [1] Group 2 - China Mobile has made significant progress by launching the first commercial hollow core fiber line in Guangdong, achieving an average loss of 0.085 dB/km and setting a new global commercial record [2] - The successful transmission test of a single wave at 1.2 Tb/s over a distance of 137.36 km demonstrates the potential for hollow core fiber technology to expand into more applications as standardization occurs [2] Group 3 - Multimode fiber is expected to see increased demand driven by the needs within server cabinets, offering cost advantages, low power consumption, and good compatibility, making it a key solution for short-distance high-speed interconnects [3] - Corning reported an 81% year-on-year increase in sales for its enterprise network segment in Q2 2025, reflecting rapid growth in data center interconnect products [3] - The ongoing trend of "fiber over copper" is expected to continue, with multimode fiber likely to accelerate in adoption as data centers require higher bandwidth and lower latency connections [3] Group 4 - The competitiveness of domestic optical fiber companies is expected to strengthen as the standardization of certain specialty fiber technologies progresses and large-scale applications are implemented [4]