Core Viewpoint - The establishment of the quantum radioactive metrology laboratory marks a significant advancement in China's quantum metrology technology, achieving international standards and filling a gap in low-temperature quantum magnetic calorimetry [1][3]. Group 1: Importance of Metrology - Metrology is a crucial foundation for technological innovation, industrial development, and public welfare, serving as an essential support for building an integrated national strategic system and capabilities [3]. - Quantum metrology is likened to a high-precision "fiber laser ruler," focusing on the measurement of microscopic particles in the quantum realm to achieve precise measurements [3]. Group 2: Laboratory and Platform Details - The quantum radioactive metrology laboratory, led by the China National Nuclear Corporation's China Institute of Atomic Energy, is the first domestic platform based on magnetic calorimetry to achieve low-energy γ-ray single-photon pulse detection [5]. - The laboratory significantly enhances the energy resolution of γ-ray detection to the order of hundreds of electron volts (eV), improving the analysis capabilities of key radionuclides [5]. - The research team has successfully developed core components such as the quantum magnetic calorimeter sensor chip, marking a breakthrough in domestic signal detection based on magnetic calorimetry [5]. Group 3: Ionizing Radiation Metrology Platform - The ionizing radiation metrology equipment "one line, multiple uses" research and development platform aims to address the "bottleneck" technology challenges in high-end instruments [8]. - This platform integrates innovative research and development, precision manufacturing, strict validation, and reliable assurance, forming a complete chain from material storage to product testing [8]. - It establishes a closed-loop system covering "design-development-manufacturing-assembly-testing-optimization," accelerating the transformation of innovative results into mature products to meet high-end application and market demands [8].

Core Insights - The Quantum Radioactive Measurement Laboratory, led by China National Nuclear Corporation's China Institute of Atomic Energy, has been completed and is now operational, marking a significant advancement in China's quantum radioactive measurement technology to an internationally advanced level [1][2]. Group 1: Laboratory and Technology Development - The laboratory fills a domestic gap in the low-temperature quantum calorimetry field and signifies a leap in the development of high-end instrumentation in China [1]. - The laboratory is the first in China to utilize magnetic calorimetry principles for low-energy gamma-ray single-photon pulse detection, enhancing gamma-ray resolution to the order of hundreds of electron volts (eV) [1][2]. - The laboratory is equipped with an advanced dilution refrigerator capable of reaching a minimum temperature of 10 mK, which enhances quantum effects for precise measurements [2]. Group 2: Research and Future Directions - The research team will focus on multi-pixel calorimetry technology and quantum imaging technology to establish a quantum measurement standard system in the radiation measurement field [2]. - The laboratory aims to provide a reliable foundation for the development of nuclear energy, medical physics, and fundamental scientific research [2].

Group 1 - The establishment of the Electromagnetic Situation Research Laboratory marks a significant advancement in Hebei Province's measurement and testing capabilities in the electromagnetic field, positioning it among the national leaders [1] - The laboratory covers an area of 1,050 square meters with an investment exceeding 20 million yuan, equipped with over 20 advanced international testing devices to accurately simulate complex electromagnetic environments [1] - The laboratory's technical capabilities include electromagnetic compatibility (EMC) testing, interference suppression algorithm development, and AI-driven intelligent detection, meeting the testing needs of major telecom operators [1] Group 2 - The laboratory focuses on three core areas: technological breakthroughs in 5G/6G electromagnetic technology, service upgrades for the entire communication industry chain, and talent cultivation through deep integration of industry, academia, and research [2] - It aims to create a one-stop service platform that integrates testing, certification, and consulting, significantly enhancing R&D efficiency and reducing operational costs for enterprises [2] - Strategic cooperation agreements have been signed with entities like China Mobile Design Institute and Shijiazhuang Railway University, with plans to expand research into cutting-edge fields such as 6G terahertz communication and quantum measurement [2]

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].