Ali first public quantum communication technology: used in cloud computing services

Quantum communication is one of the cutting-edge technologies in the field of communications. China not only built commercial quantum communication lines such as the "Quantum Secure Communication Beijing-Shanghai Line", but also successfully launched the world's first experimental satellite "Mozi", which has taken the world's technological frontier.

In June this year, the Ministry of Science and Technology and other four departments jointly issued the "13th Five-Year Plan for Basic Research in National Basic Research", setting out major scientific and technological projects during the "13th Five-Year Plan", including quantum communications and quantum computers.

The confidential nature of quantum communication, has a broad application prospects, has attracted many businesses to participate. Recently, Dr. Ali Xie Chongjin, Chief Communications Scientist of Ali Group, introduced the development plan of Ali NASA Program - Quantum Communication Technology at the "Ali Afternoon Tea" event held in Beijing. According to reports, Alibaba in addition to continuing deep plowing quantum communication technology, but also through Aliyun, the global business output quantum communication security services.

Ali first public quantum communication technology: used in cloud computing services

Alibaba Group chief communications scientist Dr. Xie Chongjin

The most secure information security technology

The scientific community has always believed that the commercial development of quantum communication is faster than quantum computers, and indeed it is. What technology did Ali break through in order to realize the commercial service of quantum communication? What kind of impact will this bring to the social sciences industry?

Xie Chongjin introduction, quantum communication key is quantum channel (fiber or free space, such as satellite or floating platform), the use of optical quantum superposition state carrying shared key, according to the principles of quantum mechanics uncertainty and quantum uncodable principle, Unconditional secure distribution of keys can be achieved, in theory, to ensure the absolute security of information.

Quantum non-clone principle makes the quantum key is not sent to the other process is not stolen, even if stolen, quantum will "self-destruction" and inform the user, use this key to encrypt the information to ensure the safety of information.

Alibaba attaches great importance

In the core of quantum communications and quantum computing, Alibaba has launched world-class results in the first half of this year.

In March, Aliyun released the world's first cloud-based quantum communication commercial service, thus opening up the door for the development of inclusive development of quantum information science. In May, the first computer in the world beyond the early classical computer developed by the Chinese Academy of Sciences and Alibaba Group Light quantum computer was born in China.

According to Ma previously announced "NASA" plan, Ali is currently 20 years after the core technology reserves in order to achieve overtaking, service 2 billion people worldwide, becoming the world's fifth largest economy.

Quantum information is one of the core technologies being stockpiled in the NASA program. In fact, Alibaba began in-depth study of quantum communication in 2013, completed in 2015 the development of quantum transmission gate. In the same year, Ali and the Chinese Academy of Sciences set up the Quantum Computing Laboratory. This move is not only the first quantum computing research center in Asia, but also allows Ali to become the first Chinese technology company to invest heavily in quantum information science.

From the announcement of "NASA" plan by Ma Yun to the beginning of this year, Ali first presented the world's first submerged liquid-cooled server cluster in the Internet industry to achieve a theoretical PUE approximation limit of 1.0; subsequently, it released two world-class quantum information science Results. Currently, it has a strong infrastructure with independent intellectual property rights such as quantum communication, liquid-cooled servers, self-developed network equipment and AliRack. It is carrying dozens of businesses such as e-commerce, cloud computing, finance and manufacturing to serve hundreds of millions of users every day.

Used in cloud computing

According to Xie Chongjin's introduction, Alibaba vigorously promote quantum communications, the core purpose is to allow the technology to achieve universal development, so that more businesses can use quantum communication to bring security.

Since 2013, Ali has invested huge resources in quantum communication technology, and has produced dozens of patents, including QKD (quantum key distribution) algorithm implementation, system architecture, QKD and cloud computing applications, quantum communication cloud Service, and the combination of quantum communication and trusted computing.

The above scientific challenges are challenging all over the world. Xie Chongjin believes that Ali's quantum communications team went into a no man's land in solving these scientific problems.

Stone rhinoceros, Alibaba's senior expert, said that Ali eventually combined quantum cryptography and cloud computing to form a key resource pool, which was provided to users through the Alibaba Cloud resources so as to meet the individual needs of users flexibly.

The social value of quantum communication is more extensive. It can be used not only in national security areas such as military and national defense, but also in the national economy such as finance, data center, Internet of Things, and blockchain.

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