Core Insights - An international collaborative research team from Denmark, the United States, Canada, and South Korea has experimentally demonstrated the capability of quantum technology to significantly outperform classical methods, achieving a task completion time reduction from 20 million years to just 15 minutes, thereby realizing "quantum advantage" [1][2]. Group 1: Research Findings - The research addresses a common challenge in efficiently understanding complex and noisy physical systems, where traditional methods require extensive measurements to infer system behavior, which becomes increasingly difficult for quantum systems due to measurement disturbances and exponential growth in required measurements as system size increases [1]. - The Danish technical university team introduced a unique quantum resource: entangled light, which allows for simultaneous extraction of more effective information through joint measurements, significantly reducing measurement ambiguity [2]. Group 2: Implications and Applications - The results indicate that the efficiency improvement is not due to more precise equipment but rather the inherent quantum advantage of the measurement method itself, achieved in a realistic lossy system rather than an idealized lossless environment [2]. - This breakthrough not only highlights the speed enhancement but also showcases the potential applications of quantum technology in fields such as sensing, system identification, and machine learning, paving new paths for quantum metrology and sensing [2][3]. - The transition of quantum advantage from theoretical discussions to practical demonstrations suggests a promising future for the development of high-sensitivity quantum sensors and innovative solutions in big data analysis and machine learning, significantly reducing energy consumption and time costs [3].

Core Insights - The University of Pennsylvania team achieved a groundbreaking advancement in quantum communication, successfully transmitting quantum signals over commercial fiber networks using standard internet IP protocols [1][3][6] - The key innovation is the compact "Q chip," which coordinates quantum and classical information, ensuring compatibility with existing network protocols and enabling automatic error correction with a transmission fidelity exceeding 97% [3][4][9] Technical Breakthrough - The testing was conducted on a one-kilometer commercial fiber network at Verizon's campus, demonstrating stable and efficient performance [1][3] - The "Q chip" is considered a foundational element for the future "quantum internet," potentially leading to transformative changes similar to the advent of the internet [3][6][14] Challenges and Solutions - Quantum networks face challenges due to the delicate nature of quantum particles, which lose their special states upon measurement [7][11] - The "Q chip" addresses these challenges by coordinating conventional light signals with quantum particles, allowing for effective communication without damaging the quantum information [7][9] Future Prospects - Currently, the network consists of a single server and node connected by one kilometer of Verizon fiber, but expanding the network is feasible by producing more chips [11][13] - A significant obstacle remains in transmitting quantum signals without disrupting entanglement, although some teams have managed to transmit "quantum keys" for secure communication [11][13]

Core Insights - Scientists from Osaka University and Hiroshima University have observed quantum entanglement in cerium rhodium tin (CeRhSn) material, regulated by Planck time, marking a significant advancement in quantum computing research [1][2] - The study published in the journal "npj Quantum Materials" highlights the unique properties of heavy fermions and their potential applications in solid-state quantum computers [1][2] Group 1: Quantum Entanglement and Heavy Fermions - The research confirms that the behavior of heavy fermions aligns with the mathematical description of quantum entanglement, with entanglement duration influenced by Planck time [2] - Heavy fermions are formed due to strong interactions between conduction electrons and localized magnetic electrons, leading to unconventional superconductivity and other unique properties [1] - The unique lattice structure of CeRhSn exhibits geometric frustration, preventing the system from reaching a stable energy state, thus resulting in various quantum phenomena [1] Group 2: Implications for Quantum Computing - The findings provide a deeper understanding of the nature of quantum entanglement and the complex interactions between heavy fermions, paving the way for manipulating quantum states in solid materials [2] - Continued research on these entangled states could offer new solutions for quantum communication and quantum computing technologies [2]

对于山东康达永创仪器设备有限公司市场开发部经理戴鹏鹏而言，量子技术"看得见、摸得着"。"精密 传感器是我们的产品之一，但此前一直面临着微弱信号放大的难题。"戴鹏鹏说，潍坊学院量子技术团 队基于数字锁相放大器的微弱信号放大与检测技术展开研发，实现了强噪声背景下对微弱信号的检测突 破，解决了这一难题。 这是潍坊学院量子技术团队创新成果应用的最新案例，也是该校作为地方性高校在学科竞争中实现突围 的一个缩影。近日，科技日报记者走进潍坊学院量子技术团队所在的物理与电子信息学院，了解他们的 创新故事。 拥有大规模实验设施 记者见到潍坊学院物理与电子信息学院院长曹连振时，他带领团队正在攻关山东省联合基金重点项目 ——"基于光子多自由度调控的高维光量子门的实验与应用研究"。此时，实验已进行到关键时刻。提升 量子计算性能、提高量子精密测量精度、增强量子器件效能是团队的三大目标。 当年，中国科学技术大学校友、潍坊学院物理与电子信息学院老院长逯怀新，联系到当时刚学成回国不 久的中国科学技术大学教授潘建伟。在潘建伟的帮助下，潍坊学院的量子技术研究平台逐渐建立起来。 曹连振说，在技术层面，光量子实验室以中国科学技术大学量子团队的指导方 ...

在科技创新与学术交流深度交融的背景下，高峰论坛特邀中国科学院、中国工程院多位院士担任核心演讲嘉宾。此举旨在以前 沿科研洞见夯实论坛专业性，打通产学研转化路径，为战略产业升级注入科学动能。 两院院士作为中国科技界的领航者，其深度参与大幅提升论坛权威性： 二、学界影响力激活社会动能 院士参与带来的多维价值辐射： 三、战略合作机制的精细化运作 论坛主办方铭培网联合专业机构优化院士参与机制： 四、创新生态的长效价值 院士参与论坛持续释放创新红利： 院士群体的深度参与，使论坛成为国家创新体系的重要节点。随着科研端与产业端协作深化，这种"学术引擎+产业载体"模式将 持续释放创新裂变效应，为中国式现代化建设提供核心驱动力。 铭培网--作为全球高端专家资源平台，致力于汇聚国内外前政界人士、诺贝尔奖得主、经济学家、商业领袖、国学文化学者、军 事顾问及主持人等专业人才，通过组织论坛讲座、企业访问活动和管理咨询等，助力中国经济科技发展。邀请专家进行大会发 言、商务考察、或技术协作。 一、顶尖智脑锚定学术高度 1. 理论前沿性与实践融合：院士演讲内容涵盖基因编辑、人工智能、新材料等国家战略领域的最新突破，同步剖析技术落地 瓶颈与产业 ...

Core Insights - A new spontaneous two-photon radiation scheme has been proposed by a team from Sun Yat-sen University, achieving a fidelity of 99.4% for a demand-triggered quantum entangled light source, published in Nature [1][2] Group 1: Research Breakthrough - The research introduces a novel cavity-induced spontaneous two-photon radiation scheme that matches the intensity of single-photon radiation, challenging the traditional understanding that two-photon radiation is inherently weaker than single-photon processes [2] - The team utilized a solid-state "artificial atom" structure at the nanoscale to enhance the probability of emitting two correlated photons simultaneously, a phenomenon known as spontaneous two-photon radiation [1][2] Group 2: Technological Advancements - Advances in semiconductor material growth and device processing technologies have provided critical support for the experimental realization of spontaneous two-photon radiation [2] - The design of ultra-high-quality optical microcavities has allowed for fine-tuning of the photon generation process, increasing the radiation efficiency of two photons from less than 0.1% to approximately 50% [2] Group 3: Implications for Quantum Technologies - The high fidelity of the entangled photon source indicates significant potential for enhancing the security of quantum communication, reliability of quantum computing, and precision of quantum metrology [2]

Core Viewpoint - The research team led by Guo Guangcan from the University of Science and Technology of China has successfully achieved the preparation of high-fidelity high-dimensional multipartite entangled states and observed the existence of genuine high-dimensional non-locality for the first time, marking a significant advancement in quantum information science [1][2]. Group 1: Research Achievements - The team developed a method for preparing high-dimensional multipartite entangled states based on the principle of "path indistinguishability," which encodes three-dimensional quantum states using the path degree of freedom of photons [2]. - The experiment successfully created a Greenberger-Horne-Zeilinger (GHZ) state of three-photon three-dimensional multipartite entanglement with a fidelity of 91%, setting a new record for high-dimensional multipartite entangled states [2]. - The research established a new Bell inequality testing paradigm, experimentally confirming quantum correlations that exceed the theoretical limits of qubit systems, thus providing a solid foundation for non-locality detection [2]. Group 2: Implications and Applications - This breakthrough fills a gap in the international experimental research field of high-dimensional multipartite quantum non-locality and deepens the understanding of the nature of quantum entanglement [2]. - The findings provide critical technological support for constructing scalable, high-capacity, and noise-resistant quantum information processing systems [2]. - High-dimensional multipartite entangled states are expected to have broad application prospects in cutting-edge fields such as quantum communication, quantum computing, and quantum precision measurement [2].

Core Viewpoint - The "Q Century: Quantum Physics Centenary Science Exhibition" opened at the University of Science and Technology of China, marking a significant event in the celebration of the centenary of quantum mechanics [1][3]. Group 1: Exhibition Overview - The exhibition is part of a series of activities celebrating the 100th anniversary of modern quantum mechanics, which will be in 2025, and is recognized as the "International Year of Quantum Science and Technology" by UNESCO [3]. - The exhibition features three main sections: "Our Superconducting Quantum Computer," "The Century Leap of Quantum Physics," and "The Magical Quantum World," showcasing key quantum concepts such as Schrödinger's cat and quantum entanglement [3]. Group 2: Innovative Presentation - The curatorial team has transformed abstract theories into perceivable artistic forms, including a "Quantum Music Laboratory" where real sounds from quantum labs are artistically restructured into quantum dance music [3]. - A "Universal Map" presents a historical map of technology using traditional artistic techniques, offering a unique perspective on the relationship between art and technological development [3]. - The "Quantum Journal Cover Wall" artistically presents rich scientific theories, providing a new perspective on the evolution of quantum technology [3]. Group 3: Public Engagement - The exhibition features a 1:1 model of the "Zuchongzhi No. 2" superconducting quantum computer, allowing the public to explore the mysteries of quantum computing [5]. - Visitors can observe the core structure of superconducting quantum chips through microscopes and experience an immersive view of "Zuchongzhi No. 3" using a naked-eye 3D grating screen, highlighting recent breakthroughs by Chinese quantum scientists [5]. - Chinese scientists, represented by the University of Science and Technology of China, have made significant contributions to the development of quantum mechanics, opening up infinite possibilities for its future [5].