


Core Viewpoint - The report from CITIC Securities highlights the rapid evolution of the optical fiber industry driven by AI-induced demand for data center interconnectivity, with significant advancements in hollow core fiber technology expected to lead to large-scale applications [1][2]. Group 1: Hollow Core Fiber - AI-driven demand for data center interconnectivity is expected to result in rapid growth for hollow core fiber [2]. - Hollow core fiber offers significant advantages over traditional glass core fibers, including approximately 47% faster transmission speed, 31% lower latency, and a loss coefficient as low as 0.05 dB/km [2]. - Microsoft has made significant strides in hollow core fiber technology, acquiring Lumensity in December 2022 and planning to deploy 15,000 kilometers of hollow core fiber within the next 24 months [2]. Group 2: Domestic Developments - China Mobile has made notable progress by launching the country's first commercial hollow core fiber line in Guangdong, achieving a global record for average loss at 0.085 dB/km and a minimum of 0.065 dB/km [3]. - The successful transmission test network demonstrated a single-wave capacity of 114.9 Tb/s over a distance of 137.36 km, indicating the potential for further applications of hollow core fiber technology [3]. Group 3: Data Center Trends - The demand for optical fibers and cables is expected to rise significantly due to the expansion of AI applications, with cable consumption projected to increase by 138% in 2024 and nearly 80% in 2025 [4]. - The transition to higher bandwidths, such as 800G and 1.6T, is driving demand for new products like OM4Pro and OM5, which will enhance profitability [4]. - The long-term trend of "optical fiber replacing copper" is anticipated to continue, with data centers increasingly adopting optical fiber solutions [4].