Core Insights - The first fully independently developed anti-resonant hollow-core fiber optic cable in China has been commercially launched in the Guangdong-Hong Kong-Macao Greater Bay Area, significantly reducing data transmission latency between Shenzhen and Hong Kong stock exchanges to under 1 millisecond [1] - The fiber optic cable has achieved a measured loss of less than 0.09 dB/km, setting a new global record for commercial fiber optic loss [1] - This development marks a significant leap from laboratory prototypes to commercial products in the next-generation optical communication core technology field [1] Industry Developments - The hollow-core fiber utilizes air as the guiding medium, which allows for a transmission delay reduction of over 30%, making it highly competitive for time-sensitive applications such as high-frequency trading [2] - The commercialized fiber's loss of less than 0.09 dB/km surpasses the theoretical limit of traditional single-mode fibers at 0.14 dB/km, enabling longer-distance signal transmission with lower energy consumption [2] - Future applications of hollow-core fiber are expected to expand beyond financial trading to include remote precision healthcare and interconnectivity of cross-regional data centers, with major tech companies like Microsoft planning to deploy this technology [2] Challenges and Future Plans - For hollow-core fiber to achieve large-scale application, the industry must focus on three key areas: optimizing the entire production process to reduce costs, overcoming challenges in engineering operations for stability and maintainability, and developing a comprehensive ecosystem that includes optical devices and transmission algorithms [3] - Guangdong Mobile has outlined three main tasks: ensuring 24/7 ultra-low latency operation for the Shenzhen-Hong Kong financial line, collaborating with industry partners to improve material processes and cost control, and gradually replicating the technology in data center interconnectivity and long-distance trunk lines [3]