Core Concept - The article discusses the emergence of the quantum internet, which promises unparalleled security, powerful distributed computing capabilities, and applications that surpass classical networks [1]. Group 1: Quantum Fundamentals - Quantum technology operates based on quantum physics laws, showcasing properties like quantum superposition and entanglement [3]. - Quantum bits (qubits) differ from classical bits by being able to exist in a superposition of states, while entanglement allows qubits to remain interconnected regardless of distance [5]. Group 2: Definition and Functionality - The quantum internet is not merely an enhancement of existing internet speed or security; it is a network designed for sharing entangled states, enabling secure key exchanges and quantum information teleportation [6]. - The quantum internet will coexist with the classical internet, where classical channels carry control information and quantum channels distribute entangled states [6]. Group 3: Importance and Applications - For network professionals, the quantum internet represents a mature technology with clear applications, such as quantum key distribution (QKD) for secure key generation and blind quantum computing [7]. - Distributed quantum computing can connect multiple quantum processors through entanglement, achieving exponential speedup compared to classical distributed systems [8]. - Quantum sensing networks will provide unprecedented measurement precision, potentially transforming navigation, astronomical observation, and Earth monitoring [9]. Group 4: Current Progress - The construction of the quantum internet is progressing in phases, starting with the deployment of basic QKD networks in urban and satellite communications [10]. - Subsequent phases include demonstrations of entangled state distribution, quantum storage networks, fault-tolerant networks based on logical qubits, and a complete quantum internet supporting distributed quantum computing [10]. Group 5: Challenges Ahead - Building the quantum internet involves addressing challenges that classical physics cannot compare to, such as the need for quantum repeaters to extend entangled state transmission distances and new error correction mechanisms to combat noise and decoherence [11]. - Despite these challenges, there is strong momentum with significant investments from governments, research institutions, and industry leaders in prototype and testing platforms [11]. Group 6: Future Outlook - The quantum internet will not replace the existing internet but will expand its capabilities in unimaginable ways, warranting attention from network operators [12]. - This new type of network, leveraging quantum mechanics, is expected to create secure, collaborative, and powerful applications, marking the beginning of a transformation comparable to the transition from telegraph to internet [12].

Core Viewpoint - The University of Science and Technology of China has achieved a significant breakthrough in quantum network research by constructing a scalable quantum relay basic module, which enables quantum key distribution over distances exceeding 100 kilometers at the highest security level, laying a crucial foundation for the development of a quantum internet [1] Group 1 - The research team has successfully built the world's first scalable quantum relay basic module [1] - The quantum key distribution transmission distance has surpassed 100 kilometers, marking a significant milestone in security [1] - This achievement is pivotal for establishing a quantum internet infrastructure [1]

Core Viewpoint - The research team led by Academician Pan Jianwei from the University of Science and Technology of China has achieved significant breakthroughs in quantum networking, including the first scalable quantum relay module and the ability to distribute device-independent quantum keys over distances exceeding 100 kilometers [1][5][6]. Group 1: Quantum Relay Technology - The ultimate goal of quantum information science is to construct efficient and secure quantum networks, which rely on long-distance deterministic quantum entanglement distribution [4]. - The challenge of signal attenuation in optical fibers has been a major barrier to long-distance quantum entanglement distribution, which the team addressed through the development of "quantum relay" technology [4]. - The team successfully created a basic module for scalable quantum relays, enabling the effective connection of entangled segments over long distances, thus making long-distance quantum networks a feasible reality [4][6]. Group 2: Device-Independent Quantum Key Distribution - The research team made advancements in device-independent quantum key distribution, which is crucial for the security of quantum communication [5]. - Previously, the maximum transmission distance for this technology was only a few hundred meters, but the team has now achieved over 100 kilometers using quantum relay technology [5]. - This breakthrough ensures that even if the quantum devices are completely untrustworthy, the generated keys remain secure, enhancing the overall security of quantum communication systems [5]. Group 3: Future Implications - These technological breakthroughs solidify China's international leadership in quantum technology and lay the groundwork for the future construction of a quantum internet [6]. - Academician Pan Jianwei indicated that with an additional 10 to 15 years of effort, a universal quantum computer could connect all quantum computers into a network, transforming the concept of a quantum internet into reality [6]. - This development would revolutionize the way information is perceived and understood in the material world, providing a revolutionary means to comprehend the universe [6].

Core Insights - The research team led by Academician Pan Jianwei at the University of Science and Technology of China has achieved significant breakthroughs in the field of quantum networks, specifically in scalable quantum relay modules and device-independent quantum key distribution (QKD) over distances exceeding 100 kilometers [1][5]. Group 1: Quantum Relay Technology - The team has successfully implemented a basic module for scalable quantum relays, which addresses the challenge of signal attenuation in optical fibers that limits the distance for quantum entanglement distribution [4]. - The concept of "quantum relay" involves setting up multiple "relay stations" along the long-distance journey of quantum signals to create entanglement between adjacent stations, thereby enabling entanglement distribution over long distances [4]. Group 2: Device-Independent Quantum Key Distribution - The research has also made advancements in device-independent quantum key distribution, which ensures the security of generated keys even if the quantum devices are completely untrustworthy [5]. - Previously, the maximum transmission distance for this technology was only a few hundred meters, but the new breakthrough allows for secure key distribution over distances greater than 100 kilometers [5]. Group 3: Future Implications - These breakthroughs solidify China's international leading position in quantum technology and lay the groundwork for the future construction of a quantum internet [5]. - Academician Pan Jianwei indicated that with continued efforts over the next 10 to 15 years, a universal quantum computer could connect all quantum computers into a network, making the quantum internet a reality and revolutionizing our understanding of the material world [5].

近日，位于美国印第安纳州的普渡大学实验室里，研究人员宣布了一项关键突破：他们开发出一种新型 量子互连平台，成功将多个独立的量子处理器连接在一起，传输效率比现有技术高出百倍。 这项技术的意义不亚于发明了量子世界的"光纤"，为构建全球量子互联网迈出了至关重要的一步。 构建量子互联网的首要障碍是量子态的脆弱性。每个量子比特都像是一座玻璃城堡里的勇士——威力强 大但极度敏感，任何微小的干扰都会导致"量子退相干"，使这些量子比特失去魔力。 科学家们面临着一个看似无解的困境：既要让量子比特相互交流，又要保护它们不受外界干扰。 此前量子计算机的规模难以突破的一个重要原因正是这种连接困境。即使是现在最先进的量子计算机， 其内部的量子比特数量也不过几百个。要将这些脆弱的量子比特连接成网络，难度不亚于用蜘蛛丝编织 一张横跨太平洋的网。 令人惊叹的是，整个转换过程的保真度高达99.7%，意味着信息在传递过程中几乎没有任何失真。 这项技术的神奇之处还在于它的可扩展性。现有的量子连接技术通常只能实现点对点的链接，而普渡大 学的新平台能够同时连接多个量子节点，形成一个真正的量子网络。 这就像是从只能两人通话的老式电话，进化到了可以多方视 ...

《东亚日报》近日发文称，数据量增加时会变慢的传统互联网不同，量子互联网的速度不受信息量影响，这得益于量 子计算机的独特性质，它们可以兼容0和1，而传统计算机只能区分两者。 【环球网财经综合报道】近日，中国信通院发布《量子信息技术发展与应用研究报告（2025年）》指出，我国量子信 息领域发展处于全球第一梯队。量子信息企业数量逐年稳定增长，全球总数超800家。2025年量子信息领域市场投融 资热度高涨，近十年全球产业投融资事件达1400余笔，融资金额超145亿美元。 报道还提到，各国竞相发展下一代量子技术，包括美国启动了量子互联网建设计划，中国政府将量子计算机等列为国 家优先发展领域，韩国也渴望推动这一领域的发展。中国量子研究实验室CHIPX及相关公司图灵量子开发出了比美国 半导体公司Nvidia的GPU快1000倍的量子半导体。 ...

Core Insights - The 27th China International High-tech Achievements Fair (CIHTAF) opened in Shenzhen, attracting nearly 5,000 participating companies, showcasing innovations in high-tech fields [1][3] Group 1: Innovative Products - Chengdu Tianfu Xinqiong Technology Co., Ltd. presented a GaN quantum light source chip, a core component for quantum internet, achieving domestic breakthroughs in materials and device design [1] - Chengdu Jingchuang Haoda Medical Technology Co., Ltd. showcased an intelligent 3D medical printing system that boasts a printing efficiency 30 times greater than traditional methods [2] - The "AI Body Measurement Mirror" from Maizhaohui Health Technology (Sichuan) Co., Ltd. generates a health report in just 30 seconds of user interaction [2] Group 2: Business Activities - CIHTAF emphasizes not only high technology but also transaction and cooperation, with over 200 events scheduled to facilitate communication and collaboration among participants [3] - Companies are actively seeking partnerships across various sectors, including AI, biomedicine, and intelligent manufacturing, to enhance product applications and efficiency [4] - The event attracted over 100 international buyers and established zones for international investment and procurement, aiming to convert more exhibits into commercial products [4]

Core Insights - The University of Chicago's Pritzker School of Molecular Engineering team has significantly advanced quantum communication, theoretically extending the connection distance between quantum computers to 2000 kilometers, enabling communication between previously isolated devices [1][2] - This breakthrough is crucial for the development of a global-scale quantum internet, marking a significant step towards practical implementation [1] Group 1: Quantum Communication Breakthrough - The previous maximum distance for quantum computers to communicate via fiber optics was only a few kilometers, limiting connectivity between devices located in different areas of Chicago [1] - The new research has improved the coherence time of single erbium atoms from 0.1 milliseconds to over 10 milliseconds, with some experimental conditions achieving up to 24 milliseconds, theoretically supporting quantum connections up to 4000 kilometers [1] Group 2: Manufacturing Process Innovation - The breakthrough is attributed to an innovative manufacturing process rather than new materials, utilizing a technique called molecular beam epitaxy, which allows for precise layer-by-layer construction of crystal structures [2] - This method contrasts with traditional techniques that involve high-temperature melting and slow cooling, paving the way for scalable production of interconnected quantum bits [2]

Market Dynamics - The State Council has issued measures to enhance support for private investment projects that meet certain criteria, emphasizing the use of new policy financial tools to support key industries and projects [1] - The State Council encourages private capital to participate in low-altitude economy infrastructure construction, ensuring equal treatment for private investment projects in commercial space activities [1] Industry Developments - By 2035, a new power system compatible with a high proportion of renewable energy is expected to be established, with a focus on improving the renewable energy consumption and regulation system [2] - The National Development and Reform Commission and the National Energy Administration are pushing for breakthroughs in large-capacity long-duration energy storage technologies, including liquid flow batteries and compressed air storage [3] Company News - TSMC reported a sales figure of NT$367.47 billion for October, reflecting an 11.0% month-on-month increase and a 16.9% year-on-year increase, with cumulative sales for the first ten months reaching NT$3.13 trillion, up 33.8% year-on-year [5] - Lingzhi Software plans to acquire 100% of the shares of Kaimiride, a leading financial IT supplier in China, through a combination of stock issuance and cash payment, with the transaction expected to constitute a major asset restructuring [7] - Maiwei Biotech has received approval for a Phase II clinical trial of its innovative drug 9MW3811 for pathological scars, positioning it as a leader in the global competitive landscape for similar targets [6]

Core Insights - The team from the University of Chicago's Pritzker School of Molecular Engineering has significantly advanced quantum communication by theoretically extending the connection distance between quantum computers to 2000 kilometers, enabling communication between devices that were previously unable to "talk" to each other [1][2] - This breakthrough is attributed to an innovative manufacturing process rather than new materials, utilizing a technique called molecular beam epitaxy to construct crystal structures with high precision, akin to 3D printing [2][3] Group 1: Quantum Communication Breakthrough - The previous maximum distance for quantum computers to communicate via fiber optics was only a few kilometers, limiting connectivity between devices located in different areas of the same city [1] - The key to overcoming this limitation lies in enhancing the coherence time of individual erbium atoms, which was improved from 0.1 milliseconds to over 10 milliseconds, and in some experimental conditions, even reached 24 milliseconds, theoretically supporting quantum connections up to 4000 kilometers [1] Group 2: Manufacturing Process Innovation - The traditional method of creating quantum devices involved high-temperature melting and slow cooling, followed by chemical etching, which has been replaced by a more innovative approach that allows for precise layer-by-layer construction of crystal structures [2] - This new technique opens a feasible path for the scalable production of interconnected quantum bits, as noted by experts in the field [2]