量子科技专题系列二：里程碑式突破，谷歌发布Willow芯片

Investment Rating - The industry investment rating is "Overweight" [1][3] Core Insights - Google's release of the Willow quantum chip marks a significant breakthrough in quantum computing, achieving a T1 time close to 100 microseconds, which is five times better than the previous Sycamore chip's 20 microseconds. Additionally, the error rate of Willow is reduced by half compared to Sycamore, making it suitable for scaling and practical applications [2][7] - The quantum error correction capability of Willow has achieved a milestone by lowering the error rate below the critical threshold, indicating the potential for large-scale, useful quantum computers to be developed [2][12] Summary by Sections Quantum Technology Breakthrough - Google announced the Willow quantum chip on December 10, 2024, achieving a milestone in quantum computing [5][7] - Willow retains all advantages of the previous Sycamore chip while achieving greater breakthroughs, including a T1 time of nearly 100 microseconds and a twofold reduction in error rate [2][7] Investment Recommendations - The current quantum technology industry is in the research and exploration phase, contributing minimally to the revenue of most related companies. It is recommended to focus on companies like Guandun Quantum, West Superconducting, Fuzhijing Technology, and Shenzhou Information, which are involved in various aspects of the quantum technology industry [3][17] Industry Chain Exploration - The domestic quantum technology industry is actively exploring various segments, with listed companies participating in all stages of the industry chain [14][17] - The industry chain includes upstream components like dilution refrigerators and optical detectors, midstream quantum prototypes, and downstream applications in cloud computing and machine learning [15][17] Company Performance Overview - A summary of key companies in the quantum technology sector includes: - ZTE: Quantum devices and storage with a revenue increase of 1.05% in 2023 [19] - Guandun Quantum: Superconducting quantum computing with a significant revenue increase of 15.87% [19] - West Superconducting: Revenue decreased by 1.62% [19] - The performance of these companies indicates varying levels of engagement and success within the quantum technology market [19]