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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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...
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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...
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Huawei P60 plummeted by 1069 yuan, with 512GB+IP68+Beidou satellite news, giving Xiaomi Gravity a blow
In a saturated market, if a company's performance improves, it also means that the performance of other companies will deteriorate. The mobile phone industry is currently in this state, so when the news of Xiaomi's new flagship Xiaomi 13 Ultra going public and selling hot, other friends quickly feel pressure, especially Huawei, because it has always been in the domestic high-end flagship field, Huawei mobile phones have absolute advantages, and other high-end flagship brands under domestic brands cannot compare with them...
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The Tesla ModelY I bought two years ago has traveled 100000 kilometers. Let's talk about my driving experience
It is estimated that this is the first Tesla ModelY in Guangdong that has already driven 100000 kilometers. The 21 models purchased back then were equipped with 19 inch wheels and had a 100 kilometer acceleration of 5...
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The 618 promotion is approaching, and the price of digital products has plummeted. I recommend these Snapdragon 8+phones
BEYOND-FLAC5:19Representative from the Digital DepartmentAlthough the Snapdragon 8Gen2 has received high praise for its performance and has become the standard chip for many high-end smartphones in 2023, its relatively high price is not suitable for ordinary consumers.If you don't need to pursue ultimate performance, the Snapdragon 8+released in the second half of last year is also a good choice...
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Exclusive Baidu Vice President Ma Jie resigns, leading to a crisis of marginalization for the metaverse business "Xirang"
Interface News Reporter | Cui PengInterface News Editing|According to the interface news, Ma Jie, Baidu Vice President and head of Baidu's "Xirang" business, has recently resigned. Although the Xirang team has not been disbanded, the future is currently unclear, and some personnel have already transferred or resigned...
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There is no need to buy the latest model of mobile phones: the prices of these four "old flagship" models have plummeted, and you can enter them with your eyes closed
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Disappeared shared cars: car parks become cemeteries, hundreds of billions of foam burst, and cars become public toilets
When sharing becomes popular, people who develop sharing models have only two consequencesOne is Da Lao Te Lao, and the other is to lose everything.It seems that with the word 'shared', there is no buffer zoneEither go crazy and add more fuel, rush in like crazyFor example, shared bicycles and shared power banks that occupy an important position in cities...
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Chinese chips are despised by Russia? Self production of 90 nanometer SIM cards is just the beginning
Russian state-owned enterprise Mikron will produce SIM card chips, and Russian telecom operators are already testing their software. The chip will be produced according to topology standards of 180 nanometers and 90 nanometers...
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Zongshen launches a fast charging version of the electric motorcycle, with a maximum range of 230 kilometers and a range of 100 kilometers per hour of charging!
Before reading, first click on the word "Follow" above. Thank you for your support, and we will bring you more valuable contentAlthough the range of electric vehicles has increased significantly, with a hundred kilometer range becoming standard, it still cannot alleviate users' anxiety about mileage...
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Comparison of parameters between Xiaomi 13Ultra and OPPOFindX6Pro, which image flagship would you buy
Before reading, please click on thefollowfollowWishing everyone good health, all the best and prosperity!Xiaomi 13UltraOPPO Find X6 ProfollowWhat kind of models do you want to see? Can you comment and leave a messageAll the above data is collected from the network. If there are any errors, please refer to the actual machine...
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