来源| 新华社 我国科学家近日在光通信和6G领域取得突破性进展，在国际上率先实现光纤通信和无线通信系统间的跨网络融合，自主研发的"光纤—无线一 体化融合通信系统"的数据传输速率刷新纪录。该成果19日凌晨在线发表于《自然》。 AI数据中心算力提升和下一代无线通信网络6G的蓬勃发展，要求在多样化场景满足信号的高速、低时延传输。然而，光纤通信与无线通信在 信号架构与硬件约束上存在"带宽鸿沟"。 "新系统破解'带宽鸿沟'，数据传输速率刷新目前已知的新纪录。"论文通讯作者、北京大学电子学院副院长王兴军说，这一系统可支持光纤通 信和无线通信双模式传输，显著提升了抗干扰能力。团队还模拟了6G大规模用户接入场景，实现86个信道的多路实时8K视频接入演示，传输 带宽较目前5G标准提升10倍以上。 《自然》审稿人认为，这项工作"对融合光学和太赫兹通信系统的进步作出重要贡献"。 王兴军表示，新系统在6G基站、无线数据中心等场景中极具应用潜力，有望为下一代超宽带高速光纤—无线一体化融合通信奠定研究基础。 来源| 新华社 我国科学家近日在光通信和6G领域取得突破性进展，在国际上率先实现光纤通信和无线通信系统间的跨网络融合，自主研发的" ...

Group 1 - China's first fully automated container ship, "Zhifei," has successfully completed its commercial operation, marking a significant achievement in the field of maritime technology [4] - The Sichuan Yalong River Two Rivers Reservoir Pumped Storage Power Station has reached a critical milestone, with the ability to generate 1.4 billion kilowatt-hours of electricity annually, enough to power 600,000 households [5] - Chinese scientists have developed an astronomical AI model named "Xingyan," capable of detecting signals from galaxies over 13 billion light-years away, providing a powerful tool for astronomical exploration [6][7] Group 2 - In the field of optical communication and 6G technology, Chinese researchers have achieved a breakthrough by integrating fiber optic and wireless communication systems, setting a new record for data transmission rates [9] - During the Spring Festival holiday, Beijing welcomed over 19.84 million tourists, generating a total tourism expenditure of 33.14 billion yuan, showcasing the city's recovery in the tourism sector [10] - The Chinese Ministry of Commerce has urged the U.S. to cancel unilateral tariff measures against trade partners, emphasizing that trade wars have no winners and protectionism is not a viable solution [12]

Group 1: Breakthroughs in Maritime Technology - The first domestically operated intelligent navigation container ship "Zhifei" has achieved full-process unmanned operations for navigation, berthing, and operations [2][4] - "Zhifei" is equipped with a domestically developed intelligent navigation core system and can operate in three modes: manual driving, remote control, and unmanned autonomous navigation [4] Group 2: Advancements in Energy Sector - The Sichuan Yalong River Lianghekou Pumped Storage Power Station, the largest hybrid pumped storage power station under construction globally, has reached key milestones with the completion of the plant excavation and the start of concrete pouring for the downstream reservoir [6] - Once operational, the power station will have a water flow rate of 150 cubic meters per second, capable of filling a standard swimming pool in 15 seconds, and will generate 1.4 billion kilowatt-hours annually, enough to meet the electricity needs of 600,000 households for a year [7] Group 3: Innovations in Astronomy - Chinese scientists have developed an astronomical AI model "Xingyan" based on computational optics and AI algorithms, capable of detecting faint celestial signals and observing galaxies over 13 billion light-years away, achieving the deepest space imaging known internationally [9][12] - The model addresses challenges posed by background noise and thermal radiation, providing a powerful tool for exploring the universe and is expected to have a significant impact on the field of astronomy [12] Group 4: Progress in Communication Technology - Chinese scientists have made breakthrough advancements in optical communication and 6G technology, achieving the world's first cross-network integration of fiber optic and wireless communication systems, setting a new record for data transmission rates [14] - The developed "fiber-optic-wireless integrated communication system" utilizes integrated optical solutions to create ultra-broadband integrated photonic devices exceeding 250 GHz, contributing significantly to the advancement of integrated optics and terahertz communication systems [15]

Group 1 - Chinese scientists have achieved a breakthrough in optical communication and 6G, realizing the integration of fiber and wireless communication systems, setting a new record for data transmission rates [1][2] - The new system developed can transmit optical communication signals at 512 Gbps and wireless communication signals at 400 Gbps, utilizing over 250 GHz bandwidth [2][3] - The system enhances anti-interference capabilities and supports dual-mode transmission, significantly improving bandwidth for applications such as 6G base stations and wireless data centers [3][4] Group 2 - The research team includes Beijing University, Pengcheng Laboratory, Shanghai University of Science and Technology, and the National Information Optoelectronics Innovation Center, showcasing collaboration in advancing communication technology [2] - The system demonstrated the capability to support 86 channels for real-time 8K video access, achieving over ten times the bandwidth of current 5G standards [3] - The work is considered a significant contribution to the integration of optical and terahertz communication systems, laying the groundwork for future ultra-broadband communication technologies [4]

今天是2月20日，中国青年报"青年早新闻"来了——"青年关注、关注青年"！ 几分钟速览最新热点，带你走近"宝藏学校"、触达"青春团讯"、学习"榜样人物"、了解"服务动态"。 大年初四，迎灶神！ 今天是大年初四，按照传统习俗是家家户户迎"灶神"的日子 炊烟起，福气至 这一天，承载着 人们祈福避祸的美好愿望 也是对新的一年 风调雨顺、丰衣足食的期待 图解数据|今年过年，你"晒春节"了吗？ 准备年夜饭、赶大集、逛庙会、到异地旅游过年……今年过年，不少年轻人纷纷"晒"出过春节的方式， 寻找过年的仪式感。中国青年报社社会调查中心的一项调查显示，今年过年，54.2%的受访者用"晒春 节"的方式庆祝节日，年夜饭、家乡特色美食是受访者最想"晒"出来的。今年过年，你都"晒"了些啥？ 受访者中，男性占44.2%，女性占55.8%。00后占18.8%，95后占18.4%，90后占29.6%，85后占14.8%， 80后占13.6%，其他占4.8%。来自一线城市的占33.4%，二线城市的占34.7%，三四线城市的占21.4%， 县城或城镇的占7.8%，农村的占2.7%。 该国片由AI辅助生成 今年过年,你会"晒春节"庆祝节日吗? 不 ...

（来源：天津日报） 为此，北京大学联合鹏城实验室、上海科技大学、国家信息光电子创新中心等研发团队，创出"光纤— 无线一体化融合通信"概念，并采用集成光学方案，成功研制出250GHz（千兆赫兹）以上超宽带集成光 子器件。在此基础上开发出的新系统实现了光纤通信单通道512Gbps（千兆比特每秒）信号传输、无线 通信单通道400Gbps信号传输。 "新系统破解'带宽鸿沟'，数据传输速率刷新目前已知的新纪录。"论文通讯作者、北京大学电子学院副 院长王兴军说，这一系统可支持光纤通信和无线通信双模式传输，显著提升了抗干扰能力。团队还模拟 了6G大规模用户接入场景，实现86个信道的多路实时8K视频接入演示，传输带宽较目前5G标准提升10 倍以上。 《自然》审稿人认为，这项工作"对融合光学和太赫兹通信系统的进步作出重要贡献"。 转自：天津日报 据新华社北京2月19日电（记者 魏梦佳）我国科学家近日在光通信和6G领域取得突破性进展，在国际上 率先实现光纤通信和无线通信系统间的跨网络融合，自主研发的"光纤—无线一体化融合通信系统"的数 据传输速率刷新纪录。该成果19日凌晨在线发表于《自然》。 AI数据中心算力提升和下一代无线通信 ...

我国科学家在光通信及6G领域取得新进展 我国科学家近日在光通信和6G领域取得突破性进展，在国际上率先实现光纤通信和无线通信系统间的跨网络融合，自主研发的"光纤—无线一 体化融合通信系统"的数据传输速率刷新纪录。该成果2月19日凌晨在线发表于《自然》。 AI数据中心算力提升和下一代无线通信网络6G的蓬勃发展，要求在多样化场景满足信号的高速、低时延传输。然而，光纤通信与无线通信在 信号架构与硬件约束上存在"带宽鸿沟"。 为此，北京大学联合鹏城实验室、上海科技大学、国家信息光电子创新中心等研发团队，创出"光纤—无线一体化融合通信"概念，并采用集成 光学方案，成功研制出250GHz（千兆赫兹）以上超宽带集成光子器件。在此基础上开发出的新系统实现了光纤通信单通道512Gbps（千兆比特 每秒）信号传输、无线通信单通道400Gbps信号传输。 "新系统破解'带宽鸿沟'，数据传输速率刷新目前已知的新纪录。"论文通讯作者、北京大学电子学院副院长王兴军说，这一系统可支持光纤通 信和无线通信双模式传输，显著提升了抗干扰能力。团队还模拟了6G大规模用户接入场景，实现86个信道的多路实时8K视频接入演示，传输 带宽较目前5G标准提升 ...

Core Insights - Chinese scientists have achieved a breakthrough in optical communication and 6G technology by integrating fiber optic and wireless communication systems, creating a "fiber-wireless integrated communication system" that sets new data transmission records [1][2] - The new system supports dual-mode transmission for both fiber and wireless communication, significantly enhancing anti-interference capabilities and demonstrating a tenfold increase in bandwidth compared to current 5G standards [2][4] Group 1: Technological Advancements - The integrated chip developed by the research team has a bandwidth exceeding 250GHz, allowing for unprecedented data transmission rates of 512Gbps for fiber communication and 400Gbps for wireless communication [3][4] - The system utilizes a new neural network algorithm to manage signal switching between wired and wireless modes, improving performance in complex interference scenarios [4] Group 2: Application Potential - The new system has significant application potential in 6G base stations and wireless data centers, laying the groundwork for future ultra-broadband high-speed integrated communication [2][4] - The research team aims to integrate the entire system onto a single chip, potentially allowing a module the size of a fingernail to handle all transmission tasks for a 6G base station [4] Group 3: Industry Context - As of January 21, 2023, China has established 4.838 million 5G base stations, covering all towns and 95% of administrative villages, with over 1.2 billion 5G users [5] - China holds 42% of the global share of essential patents for 5G standards and has completed the first phase of 6G technology trials, with over 300 key technologies developed [5]

我国科学家近日在光通信和6G领域取得突破性进展，在国际上率先实现光纤通信和无线通 信系统间的跨网络融合，自主研发的"光纤—无线一体化融合通信系统"的数据传输速率刷 新纪录，并为6G通信打造了一位"全能选手"。该成果2月19日凌晨在线发表于《自然》。 AI数据中心算力提升和下一代无线通信网络6G的蓬勃发展，要求在多样化场景满足信号的高速、低时 延传输。然而，光纤通信与无线通信在信号架构与硬件约束上存在"带宽鸿沟"。 为此，北京大学联合鹏城实验室、上海科技大学、国家信息光电子创新中心等研发团队， 创出"光纤— 无线一体化融合通信"概念，并采用集成光学方案，成功研制出250GHz（千兆赫兹）以上超宽带集成光 子器件。在此基础上开发出的新系统实现了光纤通信单通道512Gbps（千兆比特每秒）信号传输、无线 通信单通道400Gbps信号传输。 这套系统牛在哪？一块芯片搞定海量数据！ 别看核心部件只是一块小小的集成芯片，它却是个"带宽怪兽"——带宽超过250GHz。什么概念？相当 于把一条乡间小道直接爆改成了超百米宽的多车道超级高速。 基于这块芯片，团队一口气刷新了三项世界纪录： 调制器带宽突破250GHz； 一根光纤里 ...

"新系统破解'带宽鸿沟'，数据传输速率刷新目前已知的新纪录。"论文通讯作者、北京大学电子学院副 院长王兴军说，这一系统可支持光纤通信和无线通信双模式传输，显著提升了抗干扰能力。团队还模拟 了6G大规模用户接入场景，实现86个信道的多路实时8K视频接入演示，传输带宽较目前5G标准提升10 倍以上。 我国科学家近日在光通信和6G领域取得突破性进展，在国际上率先实现光纤通信和无线通信系统间的 跨网络融合，自主研发的"光纤—无线一体化融合通信系统"的数据传输速率刷新纪录。该成果2月19日 凌晨在线发表于《自然》。 AI数据中心算力提升和下一代无线通信网络6G的蓬勃发展，要求在多样化场景满足信号的高速、低时 延传输。然而，光纤通信与无线通信在信号架构与硬件约束上存在"带宽鸿沟"。 为此，北京大学联合鹏城实验室、上海科技大学、国家信息光电子创新中心等研发团队，创出"光纤— 无线一体化融合通信"概念，并采用集成光学方案，成功研制出250GHz（千兆赫兹）以上超宽带集成光 子器件。在此基础上开发出的新系统实现了光纤通信单通道512Gbps（千兆比特每秒）信号传输、无线 通信单通道400Gbps信号传输。 王兴军表示，新系统在 ...