ZTT(SH:600522) Si Chuan Ri Bao·2025-11-22 01:30Core Insights - The recent research breakthrough in quantum communication using hollow-core fiber optics was announced at the 2025 APC Global Fiber Optic Conference in Nantong, Jiangsu, marking a significant advancement for the Chengdu Quantum Internet Demonstration Network [1][2] - The research demonstrated the feasibility of quantum teleportation through hollow-core fiber channels, establishing a solid foundation for the construction of next-generation quantum information networks [1] Group 1: Research and Development - The joint research team, including Tianfu Jiangxi Laboratory, University of Electronic Science and Technology of China, China Telecom, and Zhongtian Technology, successfully constructed a 19-kilometer hollow-core fiber transmission link, achieving stable quantum state transmission with an average fidelity of 85% [1] - Hollow-core fiber, which uses air as the transmission medium, significantly reduces signal attenuation and shows great potential in the field of quantum interconnection networks due to its immunity to environmental fluctuations and low loss characteristics [1] Group 2: Future Applications - The Chengdu Quantum Internet Demonstration Network is set to undergo substantial upgrades, with plans to deploy a hollow-core fiber quantum transmission experimental line around Xinglong Lake in Chengdu, creating an open and shared "Air-Quantum Large Scientific Device" for surrounding research institutions [2] - This experimental line aims to further explore the transmission performance of hollow-core fiber in real-world environments, facilitating the practical application of quantum teleportation technology [2] - The advancements in hollow-core fiber technology are expected to integrate with the rapid development of 5G-A, 6G, and computing networks, continuously releasing technological dividends [2]