Hollow Core Fiber (HCF) replaces the traditional solid glass core of optical fiber with an air-filled channel. This allows light to travel faster and reduces network latency by up to 30–35% per kilometer. [Barcelona, Spain, March 2, 2026] At the Huawei product and solution launch event during MWC Barcelona 2026, Bob Chen, President of Huawei Optical Business Product Line, unveiled Next Generation Optical Network products and solutions to foster synergy between AI and networks, accelerating the. Published by: Research & Development Department, Technologie Optic. However, glass imposes a fundamental physical limitation because light. In light of the recent advances in hollow-core fiber (HCF) design and manufacturing, wide-scale deployments of this fiber type to realize next-generation optical transport networks may become viable in the foreseeable future, with benefits in terms of lower latency and improved capacity/reach. China Mobile and Telecom test out emerging technology that promises big performance gains over conventional fiber. Light propagates primarily through an air core rather than solid silica glass, overcoming long-standing physical limits on attenuation, latency, nonlinearity, and bandwidth.