Core Viewpoint - The research team from Sun Yat-sen University has achieved a significant breakthrough in spontaneous two-photon radiation, developing a new type of micro-nano quantum entangled light source with a fidelity of 99.4%, which is expected to enhance quantum precision measurement technology and the construction of functional optical quantum information processing chips [1][2]. Group 1 - The team proposed a novel cavity-induced spontaneous two-photon radiation scheme, achieving spontaneous two-photon radiation intensity comparable to single-photon radiation for the first time internationally [1][2]. - The efficiency of two-photon radiation was improved from less than 0.1% to approximately 50% through the design of high-quality optical microcavities, enabling the creation of controllable entangled photon pair sources [1]. - The research is based on nano-sized solid-state "artificial atom" structures, indicating a significant advancement in the field of two-photon research [2]. Group 2 - The high fidelity of 99.4% suggests a strong "telepathic" effect of the entangled photons, showcasing the technology's potential in enhancing quantum communication security, quantum computing reliability, and quantum measurement precision [2]. - Reviewers from the journal Nature have recognized this work as a breakthrough in the field of two-photon research, noting the record-breaking fidelity of the entangled photon pairs [2].

Core Viewpoint - The Ministry of Industry and Information Technology (MIIT) aims to achieve over 100 breakthroughs in key measurement technologies, develop more than 100 sets of high-end measuring instruments, and cultivate over 50 quality enterprises in the instrument and meter sector by 2027, supporting the construction of a manufacturing powerhouse [2][4]. Group 1: Overall Requirements - The initiative is guided by Xi Jinping's thoughts and aims to enhance the innovation capability of manufacturing measurement, focusing on precision measurement and establishing a robust calibration service system [5]. - By 2027, significant progress is expected in manufacturing measurement, including breakthroughs in over 100 key calibration technologies and the establishment of a resilient supply chain [5]. Group 2: Strengthening Effective Supply of Measurement - Key common measurement technologies will be targeted for breakthroughs, particularly in emerging fields like quantum technology and artificial intelligence [7]. - Development of high-end measuring instruments will be accelerated, focusing on precision, integration, and intelligence [8]. - The development of standard substances will be prioritized across various key industries, enhancing quality and traceability [9]. Group 3: Deepening Measurement Application Empowerment - Innovative measurement service models will be supported, providing integrated solutions for enterprises to enhance precision measurement [13]. - Strengthening measurement verification services is essential, ensuring compliance with legal standards for measurement instruments [14]. - Establishing high-level measurement technical service institutions will be prioritized to meet manufacturing demands [15]. Group 4: Promoting Measurement Innovation and Upgrading - Advanced measurement management practices will be encouraged, integrating measurement management into enterprise operations [17]. - The development of high-end measurement capabilities will be promoted, enhancing service quality and responsiveness to precision measurement needs [18]. - The application of intelligent technologies in measurement will be emphasized, promoting digital transformation in the sector [19]. Group 5: Strengthening Support Measures - Organizational implementation will be enhanced, ensuring effective execution of existing policies supporting manufacturing measurement [21]. - Increased resource investment will be encouraged, supporting financing for measurement institutions and promoting capital investment in measurement technology [22]. - International cooperation will be fostered, enhancing global integration in measurement technology development [24].