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"...
Tech >>
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...
Tech >>
Why are more and more regular users no longer considering adding one when changing their phones?
I don't know if you have noticed that in recent years, fewer and fewer people have chosen to use OnePlus phones. A few years ago, although Yijia's popularity was not high, many loyal Yijia fans could still be seen online...
Tech >>
Deep reinforcement learning for task offloading in unmanned aerial vehicle assisted intelligent farm network
Wen | Zhang BucaiEditor | Zhang Bucai1. IntroductionAs wireless network communication becomes increasingly powerful,It has become the norm for a scholar to know the world's affairs without going outDrones and artificial intelligence are becoming increasingly important in agriculture,Automatically monitor farmland to improve agricultural landscape and perform numerous image classification tasks to prevent damage to the farm in the event of fires or floods...
Tech >>
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...
Tech >>
Seamless integration of multiple languages: the ultimate guide to parameter verification (1)!
SpringBoot /** * */ @Email(message = "") @NotBlank(message = "") @ApiModelProperty(notes = "", required = true) private String accountName; APP idea LoginBo@Datapublic class LoginBo { /** * */ @NotBlank(message = "") private String accountName; /** * */ @NotBlank(message = "") private String password;}ResultVopublic class ResultVo<T> { private String code; private String msg; private T data; public ResultVo() { } public ResultVo(String code, String msg) { this(code, msg, null); } public ResultVo(String code, String msg, T data) { this.code = code; this...
Tech >>
Sonova Presents at the Beijing International Audiology Conference with the Latest Hearing Aid Technology from Unikang
Research has shown that the impact of hearing loss is multifaceted, not only leading to physiological illnesses, but also social and emotional problems, leading to a decline in overall quality of life. The current situation in China is that hearing loss is widespread and the population is huge...
Tech >>
Sudden! 13 Chinese manufacturers kicked!
On May 25th, Apple released a list of suppliers for the 2022 fiscal year. There were a total of 186 companies, with 94 Chinese manufacturers...
Tech >>
Liu Lirong, founder of Jinli, suffered a disastrous defeat in the casino and lost over ten billion yuan in assets!
Liu Lirong, a renowned Chinese entrepreneur and founder of Jinli Group, is renowned for his outstanding achievements in the field of mobile communication in China.His entrepreneurial journey is full of hardships and determination, showcasing how an ordinary person can achieve their dreams through hard work and perseverance...
Tech >>
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...
Tech >>
2023 Zhongguancun Forum | 360 Liang Zhihui Interprets New Opportunities in Metaverse Marketing
From May 25th to 30th, the 2023 Zhongguancun Forum was held in Beijing. At the "Internet 3...
Tech >>
Haitian Ruisheng Announces Open Source Multimodal Dataset at Zhongguancun Forum
Recently, Wang Xiaodong, CEO of Haitian Ruisheng, was invited to attend the 2023 Zhongguancun Forum and delivered a speech titled "Sharing Open Data to Assist in the Construction of Digital China", announcing that Haitian Ruisheng will open up multimodal datasets.Wang Xiaodong stated that as the first listed company in the AI data industry, Haitian Ruisheng naturally shoulders the social responsibility of open source and promoting data resource integration and sharing...
Tech >>