光纤通信
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武汉光博会打造光电产业旗舰展会
Chang Jiang Ri Bao· 2025-12-22 01:04
Core Viewpoint - The 21st "China Optics Valley" International Optoelectronic Expo and Forum will be held in May 2026 in Wuhan, focusing on laser optics, optical communication, and the entire downstream industry chain, showcasing cutting-edge technologies and innovations in the global optoelectronic field [1][3]. Group 1: Event Overview - The theme of the 2026 expo is "Connecting Everything with Light, Leading the Future" [1]. - The event is expected to expand in scale, with an exhibition area projected to exceed 30,000 square meters, gathering over 400 global exhibitors and 30,000 professional visitors [1]. - In 2025, the expo attracted 390 companies from 12 countries and regions, receiving more than 27,000 professional visitors [1]. Group 2: Involvement of Reed Exhibitions - Reed Exhibitions, a leading global exhibition organization, will leverage its extensive client network and marketing capabilities to enhance the expo [2]. - The organization aims to integrate high-quality procurement resources from sectors like electronics manufacturing, automotive, and semiconductors, facilitating connections between optoelectronic companies and downstream applications [2]. - Reed Exhibitions plans to attract more international exhibitors and professional visitors, increasing the expo's global influence [2]. Group 3: Focus Areas and Activities - The expo will concentrate on four core areas: laser technology, optical communication, precision optics, and optoelectronic technology and applications [2]. - It will feature high-end seminars covering topics such as smart photonics, laser industry, and silicon photonics, with participation from academicians and industry leaders [2]. - The event aims to promote the integration of optoelectronic technology with key industries in Central and Western China, such as automotive engineering and biomedicine [2][3].
全球GDP40强城市洗牌:巴黎首破6.5万亿,苏州逼近香港,武汉远超墨尔本!
Sou Hu Cai Jing· 2025-11-26 19:10
| 名次 | 城市 | GDP (亿元) 国家 | | --- | --- | --- | | | 1纽约 | 90602美国 | | | 2洛杉矶 | 67783美国 | | | 3 东京 | 66773日本 | | | 4巴黎 | 65532法国 | | | 5 上海 | 53927中国 | | | 6北京 | 49843 中国 | | | 7伦敦 | 46650英国 | | | 8新加坡 | 38987 新加坡 | | | 9休斯顿 | 38194美国 | | | 10深圳 | 36802中国 | | | 11芝加哥 | 36757美国 | | | 12重庆 | 32193中国 | | | 13 西雅图 | 31368美国 | | | 14 广州 | 31033中国 | | | 15 圣何塞 | 29590美国 | | | 16 首尔 | 29561 韩国 | | | 17 查港 | 28993中国 | | | 18莫斯科 | 27307俄罗斯 | | | 19菲尼克斯 | 27050美国 | | | 20 苏州 | 26727中国 | | | 21上巴伐利亚 | 26644 德国 | | | 22达拉 ...
车载网络通信标准研讨会在汉召开,“光纤上车”成智能汽车产业升级关键方向
Chang Jiang Ri Bao· 2025-11-09 09:01
Core Insights - "Optical fiber integration" is becoming a key direction for upgrading the smart automotive industry and reshaping the industrial chain structure [1] - The demand for communication speed is growing exponentially with the development of advanced intelligent driving and "vehicle-road-cloud integration" [1][4] - The automotive Ethernet is widely used in smart cockpits and autonomous driving, with a projected penetration rate of 85% in China by 2030 [4] Group 1 - The "optical fiber integration" is seen as a new starting point for industrial upgrades, requiring collaborative efforts across the industry chain to transition from technology research to large-scale vehicle applications [5] - The technology connects the automotive and optical communication industries, which are both trillion-dollar sectors, accelerating collaboration across the supply chain [5] - The establishment of automotive-grade optical device standards and high-speed vehicle optical communication protocols will enhance vehicle communication performance and drive upgrades across the entire supply chain [5] Group 2 - The "optical fiber integration" will be a key research and development area during the "14th Five-Year Plan" period for the smart automotive industry [5] - The recent seminar gathered over 160 experts from domestic and international automotive companies, parts suppliers, and testing organizations, fostering consensus on vehicle communication standards [5] - This initiative aims to support the transition from technology research to large-scale applications, helping the Chinese smart automotive industry gain a competitive edge globally [5]
三名量子物理学家获诺奖,他们让微波通信成为可能
Xin Jing Bao· 2025-10-07 23:37
Core Insights - The 2025 Nobel Prize in Physics was awarded to John Clarke, Michel H. Devoret, and John M. Martinis for their contributions to the realization of macroscopic quantum tunneling effects and energy quantization in circuits, marking a significant milestone in quantum mechanics as it celebrates its centenary [1] Group 1: Quantum Tunneling Effect - The macroscopic quantum tunneling effect refers to the phenomenon where macroscopic objects exhibit quantum behavior by passing through energy barriers, which is significant at the nanoscale and limits the miniaturization of microelectronic devices and the information retention time of storage devices [2][3] - The research demonstrated that quantum mechanical properties can be manifested on a macroscopic scale, allowing systems to escape a zero-voltage state through tunneling effects, which was previously thought impossible [3] Group 2: Applications in Technology - The principles of macroscopic quantum tunneling and energy quantization are applicable in semiconductor devices such as tunnel diodes and superconducting quantum interference devices, which are crucial for the operation of electronic devices like smartphones and computers [4][5] - Tunnel diodes, which utilize these quantum principles, have significant applications in high-speed electronic devices, including RF oscillators and frequency converters, and are essential for microwave communication systems [5][6] Group 3: Future Implications - The advancements in quantum tunneling and energy quantization could lead to breakthroughs in microwave communication, potentially surpassing current fiber optic technologies by providing faster wireless broadband and effective signal transmission for devices like smartphones and satellites [6][7] - The research also highlights the role of quantum tunneling in solar nuclear fusion, which is vital for sustaining life on Earth by providing energy through the fusion process, demonstrating the broad implications of these quantum principles for future technological developments [7]
伊通社编译版:伊朗启动全国光纤通信计划
Shang Wu Bu Wang Zhan· 2025-10-01 15:07
伊通社报道,据伊朗第七个五年发展计划(2023—2027年),到本期末,光纤将覆盖伊全国2000万 户家庭,相当于覆盖全国8000万人口。伊朗电信公司CEO宣布,该国通信系统已经启动从铜缆到光纤的 全面迁移计划。该项目目前已连接60万用户,网速达到1000Mbps,正在31个省级中心同步推进,投资 额达50亿美元。(驻伊朗使馆经商处) (原标题:伊通社编译版:伊朗启动全国光纤通信计划) ...
日企急跳脚了!中国断供镓锗后,连美国都绕不开的中国供应链
Sou Hu Cai Jing· 2025-09-17 20:15
Core Insights - China's recent export controls on gallium and germanium mark a significant response to Western technology restrictions, particularly targeting the semiconductor industry [1][3] - The new regulations require extensive approval processes for exporting these critical materials, indicating China's strategic leverage in the global high-tech supply chain [1][3] Group 1: Impact on Global Supply Chains - China produces 98% of the world's gallium and 60% of germanium, making these metals essential for modern semiconductor applications [3] - Following the export controls, gallium prices in Europe surged by 100%, while germanium prices increased by over 30%, highlighting immediate market disruptions [3] - Japanese companies, heavily reliant on Chinese imports, face significant challenges in sourcing alternative supplies, with gallium imports from China projected to drop by 85% by February 2025 [3][4] Group 2: Strategic Responses and Challenges - Japan is investing hundreds of billions of yen to diversify its supply chains, seeking alternatives from countries like Australia and the U.S., but faces high costs and inefficiencies [6] - China's export controls extend to all companies, including those outside China, preventing third-party countries from re-exporting these materials to the U.S., complicating global trade dynamics [8] - Japanese officials express concerns over the difficulty of tracking gallium content in products, adding uncertainty to the supply chain [9] Group 3: Financial Implications for Companies - The export controls have led to a 15% drop in Tokyo Electron's stock price, reflecting the financial strain on companies dependent on these materials [11] - Despite challenges, Tokyo Electron has shown resilience by increasing sales of less advanced semiconductor equipment to China, which now accounts for 43% of its total revenue [11] Group 4: Broader Geopolitical Context - China's export restrictions are part of a broader strategy to enhance national security and control over critical resources, with potential implications for global supply chain stability [13][14] - The ongoing tension between technology restrictions and the need for stable supply chains presents a complex dilemma for nations, emphasizing the importance of balancing cooperation and control [14]
专精特新“京品出海”推介交流会搭建出海“新”平台
Sou Hu Cai Jing· 2025-05-08 12:14
Group 1 - The "Beijing Products Going Global" promotion event was held as part of the 27th Beijing Science and Technology Expo, aiming to enhance the international competitiveness of specialized and innovative enterprises in Beijing [1][2] - The Beijing government has significantly increased support for specialized and innovative enterprises, resulting in a notable rise in their overseas market expansion [1][2] - As of the end of 2024, Beijing has 2.133 million active small and medium-sized enterprises, with 10,199 specialized and innovative enterprises and 1,035 national "little giant" enterprises, maintaining its position as the leading city for "little giants" in China for three consecutive years [2] Group 2 - The "Beijing Specialized and Innovative Enterprises Export Products Reference Directory" was officially released, collecting information from 161 enterprises across various industries, including robotics, biomedicine, and electronic communication technology [2] - Successful case studies of enterprises that have successfully expanded overseas were shared, highlighting replicable "going global" experiences in fields such as smart manufacturing and medical devices [2][3] - The event included product promotion sessions where companies showcased innovative products and technologies, attracting attention from domestic and international business associations and investment institutions [3]