Scientists in China Achieve Quantum Key Distribution in Thousand Kilometers of Relay Free Fiber Optics
Hefei, May 29 (Reporter Xu Jing) -- Pan Jianwei and Zhang Qiang of the University of Science and Technology of China, together with Wang Xiangbin of Tsinghua University, Liu Yang of Jinan Institute of Quantum Technology, You Lixing and Zhang Weijun of the Shanghai Institute of Microsystems and Information Technology of the Chinese Academy of Sciences, have cooperated to achieve 1002km point-to-point long-distance quantum key distribution in optical fibers by developing technologies such as low crosstalk phase reference signal control and extremely low noise single photon detectors, Not only has it set a world record for fiber optic relay free quantum key distribution distance, but it also provides a solution for high-speed backbone links in intercity quantum communication. The relevant research results were recently published in the international academic journal "Physical Review Letters"...
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Focusing on major application directions and accelerating the development of third-generation semiconductors
Recently, at the 2023 Zhongguancun Forum "Beijing (International) Third Generation Semiconductor Innovation and Development Forum", Xiang Libin, a member of the Party Group and Vice Minister of the Ministry of Science and Technology, stated that third-generation semiconductors represented by silicon carbide and gallium nitride have excellent performance and have a huge market in fields such as new energy vehicles, information communication, and smart grids.Building an Industrial EcologyXiang Libin stated that the "13th Five Year Plan" period has basically solved the "availability" problem of China's third-generation semiconductor products and related equipment, and the "14th Five Year Plan" period will focus on solving the problems of "usability, usability" and sustainable innovation ability...
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Behind the vulgar chaos of live streaming: Several platforms have been named multiple times, and scholars suggest improving the disciplinary mechanism
In early May, the National Internet Information Office announced that in response to serious ecological issues such as pornography and vulgarity on the Douyu platform, the National Internet Information Office guided the Hubei Provincial Internet Information Office to dispatch a working group to stationed on the Douyu platform for a month long centralized rectification supervision.The working group has been stationed for more than half a month, and reporters from Nandu have measured multiple live streaming platforms and found that the phenomenon of "edge scraping" in live streaming rooms still exists...
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Meng Wanzhou helped Huawei to achieve 23 trillion yuan! Ren Zhengfei exclaimed: Spring is full of vitality
Meng Wanzhou, the vice chairman, rotating chairman and CFO of Huawei, is a female leader who has experienced trials and tribulations in Huawei and has made outstanding achievements. She is the eldest daughter of Huawei founder Ren Zhengfei and the core promoter of Huawei's financial organization...
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Is the second 'Zhengzhou' likely to emerge, with Foxconn investing 3 billion yuan? Even Huawei has settled here
Wen | Wang YaliEditor | Wu YoufollowDuring this period, there has been news that has become a hot topic among the citizens of Luoyang, which isFoxconn Group has invested 3 billion yuan in equipment manufacturing base in Jili District, Luoyang City.It is reported that the project will cover multiple industry fields such as electronic equipment and communication equipment...
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China's first 4nm chip has been successfully developed, and there is hope for self-developed chips, as "Chinese chip" has made another breakthrough
China Chip Breakthrough Again! Recently, the China Supercomputer Research Center (NSCC) announced the successful development of China's first 4-nanometer chip and its packaging has been completed. This is an important breakthrough in China's semiconductor manufacturing field and a perfect counterattack against foreign technology lockdowns...
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Completely not pretending? Huawei "seizes" 8% of the market share, Ren Zhengfei: Peace is achieved through "fighting"
Jay Chou - Give Me Time for a Song (2010 Super Era World Tour). mp34:46From W Kan TechnologyAs is well known, under the sanctions and blockades of the United States, Huawei's mobile phone business experienced a cliff like collapse, from being the "world's number one" to being the "unknown"...
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2.45 million scams in 9 seconds! Another "AI face changing" scam! How to prevent it?
Edited by: Zhang JinheAfter the previous incident of "being cheated of 4.3 million yuan by AI face changing within 10 minutes" sparked attention, another AI face changing fraud incident that occurred in April on May 25th was exposed by the media...
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Two major domestic companies have successively announced important decisions, and foreign media have revealed that China Chip's "fig leaf" has been torn open
As is well known, Huawei's ability to take the lead in developing 5G technology is inseparable from Ren Zhengfei's correct leadership and unwavering commitment to independent research and development over the past decade, with nearly a trillion yuan of research and development investment.It is precisely because of Huawei's rise in 5G that the Americans have become restless...
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The reversal came too fast! Three pieces of news have arrived, and the fig leaf of Chinese chips has been torn open
Jay Chou - Sunny_ 20231917136.mp34:29From the Science and Technology New Knowledge MuseumThis article is original, please do not plagiarize or move, violators will be held accountableUnder the US chip rules, domestic manufacturers are participating in chip research and development, increasing the development speed of self-developed chips...
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When Ma Yunhua acquired RT-Mart for 40 billion yuan, he never expected that the result would be like this
On May 31, 2021, Alibaba Group announced that it would acquire China's largest supermarket chain, RT-Mart, for 40 billion RMB, becoming one of the largest transactions in the history of the Chinese retail market.At that time, people had high hopes for this transaction, believing that it would become another combination of the Internet and traditional retail, promoting the comprehensive upgrading of China's retail industry...
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Modular Link Level Simulator for Physical Layer of Beyond 5G Wireless Communication System
Wen Xiaozhi has been saying thatEditor | Xiaozhi has been sayingBefore reading this article, we sincerely invite you to click on 'Follow', which not only facilitates your discussion and sharing, but also brings you a different sense of participation. Thank you for your supportprefaceThe low terahertz band is a promising candidate for achieving data rates up to 1Tbit/s...
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