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Showing posts with label quantum communication satellite. Show all posts
Showing posts with label quantum communication satellite. Show all posts

Wednesday, September 5, 2018

China to build world-leading national laboratory for quantum information sciences



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China is planning to build a massive 100-billion-yuan national laboratory for #quantum information sciences, in order to establish itself as a leader in quantum information sciences.

The National Laboratory for Quantum Information Sciences, which will be spread across Shanghai and Beijing and cities in Anhui province, will focus on the frontier science and key technology of the second quantum revolution, and develop strategic emerging industries covering quantum communication, computation, and precision measurement, so as to become a pioneer in the global competition and future development of QIS, news portal CBN reported.

The information was revealed at the 2018 International Conference on Quantum Cryptography in Shanghai in August. The project has allegedly received 2 billion yuan in financial support from the city of Shanghai and Anhui province.

The conference marked the first time for China to hold such an influential international academic event in the field of quantum cryptography, boosting the development of the country’s quantum communications network.

QIS can further improve information security, computing speed, and measurement accuracy, as so to provide core strategic power for national security and sustainable development.

China has been leading the global quantum revolution after the successful launch of the Quantum Experiments at Space Scale, the world’s first quantum satellite, and the construction of the 2,000-kilometer Beijing-Shanghai quantum communication line.

The market volume of China’s quantum communication industry reached 18 billion yuan in 2017, and is expected to reach 32 billion yuan in 2018, with a year-on-year increase of 77.78%, according to data from Qianzhan Industry Research Institute, the most influential industry research and innovation consulting brand in China.

People's Daily, China


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Chinese leading quantum physicist Pan Jianwei, an academician of the Chinese Academy of Sciences, and his colleagues announced they have built world's first quantum computing machine at a press conference in the Shanghai Institute for Advanced Studies of University of Science and Technology of China on Wednesday. -- People's Daily

China successfully launched world's first quantum communication satellite 'very exciting' !

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Quantum Computing Thrives on Chaos

China to build world-leading national laboratory for quantum information sciences



 Image may contain: outdoor

No automatic alt text available.

 Image may contain: night

China is planning to build a massive 100-billion-yuan national laboratory for #quantum information sciences, in order to establish itself as a leader in quantum information sciences.

The National Laboratory for Quantum Information Sciences, which will be spread across Shanghai and Beijing and cities in Anhui province, will focus on the frontier science and key technology of the second quantum revolution, and develop strategic emerging industries covering quantum communication, computation, and precision measurement, so as to become a pioneer in the global competition and future development of QIS, news portal CBN reported.

The information was revealed at the 2018 International Conference on Quantum Cryptography in Shanghai in August. The project has allegedly received 2 billion yuan in financial support from the city of Shanghai and Anhui province.

The conference marked the first time for China to hold such an influential international academic event in the field of quantum cryptography, boosting the development of the country’s quantum communications network.

QIS can further improve information security, computing speed, and measurement accuracy, as so to provide core strategic power for national security and sustainable development.

China has been leading the global quantum revolution after the successful launch of the Quantum Experiments at Space Scale, the world’s first quantum satellite, and the construction of the 2,000-kilometer Beijing-Shanghai quantum communication line.

The market volume of China’s quantum communication industry reached 18 billion yuan in 2017, and is expected to reach 32 billion yuan in 2018, with a year-on-year increase of 77.78%, according to data from Qianzhan Industry Research Institute, the most influential industry research and innovation consulting brand in China.

People's Daily, China

Related posts:

Chinese Scientists Make Breakthrough in Quantum Computing"


Chinese scientists make quantum leap in computing; jumbo passenger jet C919 liftoff !

 
Chinese leading quantum physicist Pan Jianwei, an academician of the Chinese Academy of Sciences, and his colleagues announced they have built world's first quantum computing machine at a press conference in the Shanghai Institute for Advanced Studies of University of Science and Technology of China on Wednesday. -- People's Daily

China successfully launched world's first quantum communication satellite 'very exciting' !

Chinese quantum satellite to protect China from cyber attacks

  https://youtu.be/iymqNogNxEg

Quantum Computing Thrives on Chaos

Friday, May 5, 2017

Chinese scientists make quantum leap in computing; jumbo passenger jet C919 liftoff !

Chinese leading quantum physicist Pan Jianwei, an academician of the Chinese Academy of Sciences, and his colleagues announced they have built world's first quantum computing machine at a press conference in the Shanghai Institute for Advanced Studies of University of Science and Technology of China on Wednesday. -- People's Daily

CHINESE scientists have built the world's first quantum computing machine that goes far beyond the early classical -- or conventional -- computers, paving the way to the ultimate realization of quantum computing.

Scientists announced their achievement at a press conference in the Shanghai Institute for Advanced Studies of University of Science and Technology of China on Wednesday.

Scientists believe quantum computing could in some ways dwarf the processing power of today's supercomputers. One analogy to explain the concept of quantum computing is that it is like being able to read all the books in a library at the same time, whereas conventional computing is like having to read them one after another.

Pan Jianwei, an academician of the Chinese Academy of Sciences and a leading quantum physicist, said quantum computing exploits the fundamental quantum superposition principle to enable ultra-fast parallel calculation and simulation capabilities.

In normal silicon computer chips, data is rendered in one of two states: 0 or 1. However, in quantum computers, data could exist in both states simultaneously, holding exponentially more information.

The computing power of a quantum computer grows exponentially with the number of quantum bits that can be manipulated. This could effectively solve large-scale computation problems that are beyond the ability of current classical computers, Pan said.

For example, a quantum computer with 50 quantum bits would be more powerful in solving quantum sampling problems than today's fastest supercomputer, Sunway TaihuLight, installed in the National Supercomputing Center of China.

Due to the enormous potential of quantum computing, Europe and the United States are actively collaborating in their research. High-tech companies, such as Google, Microsoft and IBM, also have massive interests in quantum computing research.

The research team led by Pan is exploring three technical routes: systems based on single photons, ultra-cold atoms and superconducting circuits.

Recently, Pan Jianwei and his colleagues -- Lu Chaoyang and Zhu Xiaobo, of the University of Science and Technology of China, and Wang Haohua, of Zhejiang University -- set two international records in quantum control of the maximal numbers of entangled photonic quantum bits and entangled superconducting quantum bits.

Pan explained that manipulation of multi-particle entanglement is the core of quantum computing technology and has been the focus of international competition in quantum computing research.

In the photonic system, his team has achieved the first 5, 6, 8 and 10 entangled photons in the world and is at the forefront of global developments.

Pan said quantum computers could, in principle, solve certain problems faster than classical computers. Despite substantial progress in the past two decades, building quantum machines that can actually outperform classical computers in some specific tasks -- an important milestone termed "quantum supremacy" -- remains challenging.

In the quest for quantum supremacy, Boson sampling, an intermediate (that is, non-universal) quantum computer model, has received considerable attention, as it requires fewer physical resources than building universal optical quantum computers, Pan said.

Last year, Pan and Lu Chaoyang developed the world's best single photon source based on semiconductor quantum dots. Now, they are using the high-performance single photon source and electronically programmable photonic circuit to build a multi-photon quantum computing prototype to run the Boson sampling task.

The test results show the sampling rate of this prototype is at least 24,000 times faster than international counterparts, according to Pan's team.

At the same time, the prototype quantum computing machine is 10 to 100 times faster than the first electronic computer, ENIAC, and the first transistor computer, TRADIC, in running the classical algorithm, Pan said.

It is the first quantum computing machine based on single photons that goes beyond the early classical computer, and ultimately paves the way to a quantum computer that can beat classical computers. This achievement was published online in the latest issue of Nature Photonics this week.

In the superconducting quantum circuit system, a research team from Google, NASA and the University of California at Santa Barbara announced a high-precision manipulation of 9 superconducting quantum bits in 2015.

Now the Chinese team led by Pan, Zhu Xiaobo and Wang Haohua have broken that record. They independently developed a superconducting quantum circuit containing 10 superconducting quantum bits and successfully entangled the 10 quantum bits through a global quantum operation.

Chinese scientists aim to realize manipulation of 20 entangled photons by the end of this year, and will try to design and manipulate 20 superconducting quantum bits. They also plan to launch a quantum cloud computing platform by the end of this year.

Source: Xinhua

 Related post:

China successfully launched world's first quantum communication satellite 'very exciting' !


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The long-awaited China's homegrown passenger plane C919 lifts off on its maiden flight at Shanghai Pudong International Airport on Friday.

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https://youtu.be/EEB8vKVV3HQ

Chinese scientists make quantum leap in computing; jumbo passenger jet C919 liftoff !

Chinese leading quantum physicist Pan Jianwei, an academician of the Chinese Academy of Sciences, and his colleagues announced they have built world's first quantum computing machine at a press conference in the Shanghai Institute for Advanced Studies of University of Science and Technology of China on Wednesday. -- People's Daily

CHINESE scientists have built the world's first quantum computing machine that goes far beyond the early classical -- or conventional -- computers, paving the way to the ultimate realization of quantum computing.

Scientists announced their achievement at a press conference in the Shanghai Institute for Advanced Studies of University of Science and Technology of China on Wednesday.

Scientists believe quantum computing could in some ways dwarf the processing power of today's supercomputers. One analogy to explain the concept of quantum computing is that it is like being able to read all the books in a library at the same time, whereas conventional computing is like having to read them one after another.

Pan Jianwei, an academician of the Chinese Academy of Sciences and a leading quantum physicist, said quantum computing exploits the fundamental quantum superposition principle to enable ultra-fast parallel calculation and simulation capabilities.

In normal silicon computer chips, data is rendered in one of two states: 0 or 1. However, in quantum computers, data could exist in both states simultaneously, holding exponentially more information.

The computing power of a quantum computer grows exponentially with the number of quantum bits that can be manipulated. This could effectively solve large-scale computation problems that are beyond the ability of current classical computers, Pan said.

For example, a quantum computer with 50 quantum bits would be more powerful in solving quantum sampling problems than today's fastest supercomputer, Sunway TaihuLight, installed in the National Supercomputing Center of China.

Due to the enormous potential of quantum computing, Europe and the United States are actively collaborating in their research. High-tech companies, such as Google, Microsoft and IBM, also have massive interests in quantum computing research.

The research team led by Pan is exploring three technical routes: systems based on single photons, ultra-cold atoms and superconducting circuits.

Recently, Pan Jianwei and his colleagues -- Lu Chaoyang and Zhu Xiaobo, of the University of Science and Technology of China, and Wang Haohua, of Zhejiang University -- set two international records in quantum control of the maximal numbers of entangled photonic quantum bits and entangled superconducting quantum bits.

Pan explained that manipulation of multi-particle entanglement is the core of quantum computing technology and has been the focus of international competition in quantum computing research.

In the photonic system, his team has achieved the first 5, 6, 8 and 10 entangled photons in the world and is at the forefront of global developments.

Pan said quantum computers could, in principle, solve certain problems faster than classical computers. Despite substantial progress in the past two decades, building quantum machines that can actually outperform classical computers in some specific tasks -- an important milestone termed "quantum supremacy" -- remains challenging.

In the quest for quantum supremacy, Boson sampling, an intermediate (that is, non-universal) quantum computer model, has received considerable attention, as it requires fewer physical resources than building universal optical quantum computers, Pan said.

Last year, Pan and Lu Chaoyang developed the world's best single photon source based on semiconductor quantum dots. Now, they are using the high-performance single photon source and electronically programmable photonic circuit to build a multi-photon quantum computing prototype to run the Boson sampling task.

The test results show the sampling rate of this prototype is at least 24,000 times faster than international counterparts, according to Pan's team.

At the same time, the prototype quantum computing machine is 10 to 100 times faster than the first electronic computer, ENIAC, and the first transistor computer, TRADIC, in running the classical algorithm, Pan said.

It is the first quantum computing machine based on single photons that goes beyond the early classical computer, and ultimately paves the way to a quantum computer that can beat classical computers. This achievement was published online in the latest issue of Nature Photonics this week.

In the superconducting quantum circuit system, a research team from Google, NASA and the University of California at Santa Barbara announced a high-precision manipulation of 9 superconducting quantum bits in 2015.

Now the Chinese team led by Pan, Zhu Xiaobo and Wang Haohua have broken that record. They independently developed a superconducting quantum circuit containing 10 superconducting quantum bits and successfully entangled the 10 quantum bits through a global quantum operation.

Chinese scientists aim to realize manipulation of 20 entangled photons by the end of this year, and will try to design and manipulate 20 superconducting quantum bits. They also plan to launch a quantum cloud computing platform by the end of this year.

Source: Xinhua

 Related post:

China successfully launched world's first quantum communication satellite 'very exciting' !


Related

It's liftoff! C919 takes to the sky on debut flight

The long-awaited China's homegrown passenger plane C919 lifts off on its maiden flight at Shanghai Pudong International Airport on Friday.

1st large Chinese-made passenger jet C919 takes flight


https://youtu.be/EEB8vKVV3HQ

Tuesday, August 16, 2016

China successfully launched world's first quantum communication satellite 'very exciting' !

Chinese quantum satellite to protect China from cyber attacks

https://youtu.be/iymqNogNxEg


https://youtu.be/XjHosmTOyUE

China launches world's first quantum communication satellite



Combined photo shows China launching the world's first quantum satellite on top of a Long March-2D rocket from the Jiuquan Satellite Launch Center in Jiuquan, northwest China's Gansu Province, Aug. 16, 2016. The world's first quantum communication satellite, which China has launched, has been given the moniker "Micius," after a fifth century B.C. Chinese scientist, the Chinese Academy of Sciences (CAS) announced Monday. (Xinhua/Jin Liwang)

WASHINGTON, Aug. 15 -- China's successful launch of the world's first quantum satellite was "very exciting" and can help conduct experiments that may lead to "much more secure" quantum communications, a U.S. quantum expert said.

"The event is indeed very exciting and does carry global importance because this would be the first such experiment," said Alexander Sergienko, a professor of electrical and computer engineering at the Boston University.

The satellite, Quantum Experiments at Space Scale (QUESS), lifted off from China's Jiuquan Satellite Launch Center at 1:40 a.m. Tuesday, local time.

Sergienko said the quantum communication race has been going on for the last 20 years since the initial demonstration of quantum key distribution link under Lake Geneva in 1995.

After that, metropolitan secure communication networks have been developed and demonstrated in Boston, Vienna, Beijing, and Tokyo, and many more examples of quantum metropolitan networks have been demonstrated in the last five years covering Canada, Italy, U.K. and Australia, he said.

"The race is now moving in the near space in order to cover longer distances between different metropolitan areas," he said.

"I know there were plans to develop multiple point-by-point multi-city quantum communication segments to cover the distance between Shanghai and Beijing. A successful implementation of the satellite project would allow covering it in one step."

Sergienko also predicted that quantum communication and cryptography will be first used to ensure the most important communication lines such as used by the government and by major business in their communication.

China said the 600-plus-kilogram QUESS, nicknamed "Micius," is expected to circle the Earth once every 90 minutes after it enters a sun-synchronous orbit at an altitude of 500 kilometers.

In its two-year mission, QUESS is designed to establish "hack-proof" quantum communications by transmitting uncrackable keys from space to the ground, and provide insights into the strangest phenomenon in quantum physics -- quantum entanglement.

China launches first-ever quantum communication satellite


China launches the world's first quantum satellite on top of a Long March-2D rocket from the Jiuquan Satellite Launch Center in Jiuquan, northwest China's Gansu Province, Aug. 16, 2016. The world's first quantum communication satellite, which China is preparing to launch, has been given the moniker "Micius," after a fifth century B.C. Chinese scientist, the Chinese Academy of Sciences (CAS) announced Monday. (Xinhua/Jin Liwang)

China successfully launched the world's first quantum satellite from the Jiuquan Satellite Launch Center in northwestern Gobi Desert at 1:40 am on Tuesday.

In a cloud of thick smoke, the satellite, Quantum Experiments at Space Scale (QUESS), roared into the dark sky on top of a Long March-2D rocket.

The 600-plus-kilogram satellite will circle the Earth once every 90 minutes after it enters a sun-synchronous orbit at an altitude of 500 kilometers.

It is nicknamed "Micius," after a fifth century B.C. Chinese philosopher and scientist who has been credited as the first one in human history conducting optical experiments.

In its two-year mission, QUESS is designed to establish "hack-proof" quantum communications by transmitting uncrackable keys from space to the ground, and provide insights into the strangest phenomenon in quantum physics -- quantum entanglement.

Quantum communication boasts ultra-high security as a quantum photon can neither be separated nor duplicated. It is hence impossible to wiretap, intercept or crack the information transmitted through it.

With the help of the new satellite, scientists will be able to test quantum key distribution between the satellite and ground stations, and conduct secure quantum communications between Beijing and Xinjiang's Urumqi. QUESS, as planned, will also beam entangled photons to two earth stations, 1,200 kilometers apart, in a move to test quantum entanglement over a greater distance, as well as test quantum teleportation between a ground station in Ali, Tibet, and itself.

"The newly-launched satellite marks a transition in China's role -- from a follower in classic information technology (IT) development to one of the leaders guiding future IT achievements," said Pan Jianwei, chief scientist of QUESS project with the Chinese Academy of Sciences (CAS).

The scientists now are expecting quantum communications to fundamentally change human development in the next two or three decades, as there are enormous prospects for applying the new generation of communication in fields like defense, military and finance. SPOOKY & ENTANGLED

Quantum physics is the study of the basic building blocks of the world at a scale smaller than atoms. These tiny particles behave in a way that could overturn assumptions of how the world works.

One of the strange properties of quantum physics is that a tiny particle acts as if it's simultaneously in two locations -- a phenomenon known as "superposition." The noted interpretation is the thought experiment of Schrodinger's cat -- a scenario that presents a cat that may be simultaneously both alive and dead.

If that doesn't sound strange enough, quantum physics has another phenomenon which is so confounded that Albert Einstein described as "spooky action at a distance" in 1948.

Scientists found that when two entangled particles are separated, one particle can somehow affect the action of the far-off twin at a speed faster than light.

Scientists liken it to two pieces of paper that are distant from each other: if you write on one, the other immediately shows your writing.

In the quantum entanglement theory, this bizarre connection can happen even when the two particles are separated by the galaxy.

By harnessing quantum entanglement, the quantum key technology is used in quantum communications, ruling out the possibility of wiretapping and perfectly securing the communication.

A quantum key is formed by a string of random numbers generated between two communicating users to encode information. Once intercepted or measured, the quantum state of the key will change, and the information being intercepted will self-destruct.

According to Pan, scientists also plan to test quantum key distribution between QUESS and ground stations in Austria. Italy, Germany and Canada, as they have expressed willingness to cooperate with China in future development of quantum satellite constellations, said Pan. LIFE CHANGING

With the development of quantum technology, quantum mechanics will change our lives in many ways. In addition to quantum communications, there are quantum computers that have also drawn attentions from scientists and governments worldwide.

Quantum computing could dwarf the processing power of today's supercomputers.

In normal silicon computer chips, data is rendered in one of two states: 0 or 1. However, in quantum computers, data could exist in both states simultaneously, holding exponentially more information.

One analogy to explain the concept of quantum computing is that it is like being able to read all the books in a library at the same time, whereas conventional computing is like having to read them one after another.

Scientists say that a quantum computer will take just 0.01 second to deal with a problem that costs Tianhe-2, one of the most powerful supercomputers in the world, 100 years to solve.

Many, however, is viewing this superpower as a threat: if large-scale quantum computers are ever built, they will be able to crack all existing information encryption systems, creating an enormous security headache one day.

Therefore, quantum communications will be needed to act like a "shield," protecting information from the "spear" of quantum computers, offering the new generation of cryptography that can be neither wiretapped nor decoded. GOING GLOBAL?

With the launch of QUESS, Chinese scientists now are having their eyes on a ground-to-satellite quantum communication system, which will enable global scale quantum communications.

In past experiments, quantum communications could only be achieved in a short range, as quantum information, in principle, could travel no more than 500 kilometers through optical fibers on the land due to the loss of photons in transmission, Pan explained.

Since photons carrying information barely get scattered or absorbed when travelling through space and Earth's atmosphere, said Pan, transmitting photons between the satellite and ground stations will greatly broaden quantum communications'reach.

However, in quantum communications, an accurate transmission of photons between the "server" and the "receiver" is never easy to make, as the optic axis of the satellite must point precisely toward those of the telescopes in ground stations, said Zhu Zhencai, QUESS chief designer.

It requires an alignment system of the quantum satellite that is 10 times as accurate as that of an ordinary one and the detector on the ground can only catch one in every one million entangled photons fired, the scientist added.

What makes it much harder is that, at a speed of eight kilometers per second, the satellite flying over the earth could be continuously tracked by the ground station for merely a few minutes, scientists say.

"It will be like tossing a coin from a plane at 100,000 meters above the sea level exactly into the slot of a rotating piggy bank," said Wang Jianyu, QUESS project's chief commander.

Given the high sensitivity of QUESS, people could observe a match being lit on the moon from the Earth, Wang added.

After years of experimenting, Chinese scientists developed the world' s first-ever quantum satellite without any available reference to previous projects. Now they are waiting to see QUESS's performance in operation.

According to Pan, his team has planned to initiate new projects involving research on quantum control and light transmission in space station, as well as tests on quantum communications between satellites, all-time quantum communications and the application of quantum key network.

"If China is going to send more quantum communication satellites into orbit, we can expect a global network of quantum communications to be set up around 2030," said Pan. - Xinhuanet

Related:



https://youtu.be/IVqfWg_JL8c




https://youtu.be/sag1nq7asvo

Image for the news result
Quantum satellite: China successfully launches its first
NEWS.com.au -China takes major step in creating a global network for quantum communication. August 16 2016


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Monday, May 30, 2016

World's first Quantum communication satellite to be launched in China against hackers

China is poised to become the first country to send encoded information from space that cannot be hacked. Scientists are making final adjustments to China’s first quantum communication satellite. The project chief describes it as a revolution in communications.




 China will launch its first experimental quantum communication satellite in July, according to the Chinese Academy of Sciences.
BEIJING, May 28, 2016 (Xinhua) -- Deputy chief engineer Zhou Yilin (3rd L) discusses with other technicians beside the quantum satellite at Shanghai Engineering Center for Microsatellites, under the Chinese Academy of Sciences, in Shanghai, east China, May 25, 2016. China plans to launch the world's first quantum satellite that can achieve secure communication in July. The satellite is dedicated to quantum science experiments. (Xinhua/Cai Yang)

China is poised to become the first country to send encoded information from space that cannot be hacked. Scientists are making final adjustments to China’s first quantum communication satellite. The project chief describes it as a revolution in communications.

A quantum photon cannot be separated or duplicated, which means if someone tried to decode information, the encryption would change, and the receiver would know that his letter was opened by someone.

Scientists hope the new technology will protect China from future cyber issues. In 2015, cases involving information technology in China rose by more than 120 percent, according to survey by a non-profit cybersecurity institution. China plans to use its quantum satellite system to cover the planet by 2030.

On the ground, China is also building its own quantum information sharing network for use in national defense and security. At some point, China plans to connect the ground network to the quantum satellite system.

It has taken five years for Chinese scientists to develop and manufacture the first quantum satellite. In June, it will be transported to the Jiuquan Satellite Launch Center in southwest China for final preparation and launch in July., 2016

China wins space race to launch world's first 'quantum communication' satellite in fight against hackers





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