A quantum internet may very well be the first quantum information technology to become reality.
Researchers at QuTech in Delft, The Netherlands, today published a comprehensive guide towards this goal in Science. It describes six phases, starting with simple networks of qubits that could already enable secure quantum communications – a phase that could be reality in the near future. The development ends with networks of fully quantum-connected quantum computers. In each phase, new applications become available such as extremely accurate clock synchronization or integrating different telescopes on Earth in one virtual ‘supertelescope’. This work creates a common language that unites the highly interdisciplinary field of quantum networking towards achieving the dream of a world-wide quantum internet.
A quantum internet will revolutionize communication technology by exploiting phenomena from quantum physics, such as entanglement. Researchers are working on technology that enables the transmission of quantum bits between any two points on earth. Such quantum bits can be ‘0’ and ‘1’ at the same time, and can be ‘entangled’: their fates are merged in such a way that an operation on one of the qubits instantly affects the state of the other.
This brings two features which are provably out of reach for the Internet that we know today. The first is that entanglement allows improved coordination between distant sites. This makes it extremely suitable for tasks such as clock synchronization or the linking of distant telescopes to obtain better images. The second is that entanglement is inherently secure. If two quantum bits are maximally entangled, then nothing else in the universe can have any share in that entanglement. This feature makes entanglement uniquely suitable for applications that require security and privacy.
Many other applications of a quantum internet are already known, and more are likely to be discovered as the first networks come online. Researchers at QuTech, a collaboration between Delft University of Technology and the Netherlands organisation for applied scientific research TNO have now set forth stages of quantum internet development distinguished by technological capabilities and corresponding applications.
The lowest stage of a true quantum network – a prepare and measure network – allows the end-to-end delivery of quantum bits between any two network nodes, one quantum bit at a time. This is already sufficient to support many cryptographic applications of a quantum network. The highest stage is the long-term goal of connecting large quantum computers on which arbitrary quantum applications can be executed.
In addition to providing a guide to further development, the work sets challenges both to engineering efforts and to the development of applications. “On the one hand, we would like to build ever more advanced stages of such at network”, says Stephanie Wehner, lead author of the work, “On the other hand, quantum software developers are challenged to reduce the requirements of application protocols so they can be realized already with the more modest technological capabilities of a lower stage.” Co-author Ronald Hanson adds: “This work establish a much-needed common language between the highly interdisciplinary field of quantum networking spanning physics, computer science and engineering.”
The first true quantum networks, allowing the end-to-end transmission of quantum bits, are expected to be realized in the coming years, heralding the dawn of a large-scale quantum internet.
The Latest on: Quantum internet
via Google News
The Latest on: Quantum internet
- Preparing Your Enterprise For a Post-Quantum Futureon January 23, 2020 at 2:02 am
To that end, the National Institute of Standards and Technology (NIST) is currently evaluating 26 Post-Quantum Cryptography (PQC) algorithms to determine performance across everything from massive ...
- M-net to deploy quantum network between Munich and De-Cix hub in Frankfurt this yearon January 23, 2020 at 1:13 am
German regional operator M-net said that it will deploy a 1,200 km quantum network between Munich and the De-Cix internet hub in Frankfurt. The network is divided into two rings, namely the so-called ...
- Quantum networking projected to be $5.5 billion market in 2025on January 22, 2020 at 8:15 am
Eventually, these strands will merge into a Quantum Internet, the report said. Cloud access to quantum computers is core to the business models of many leading quantum computer companies–such as IBM, ...
- University of Sheffield Launches Quantum Center to Develop the Technologies of Tomorrowon January 22, 2020 at 7:36 am
Quantum technologies are a broad range of new materials ... semiconductor materials – types of materials that have numerous everyday applications such as in mobile phones and lasers that drive the ...
- JP Morgan Chase poaches an IBM 'Master Inventor' with 26 patents for quantum computingon January 21, 2020 at 1:29 pm
J.P. Morgan Chase has hired a veteran IBM researcher to lead a new group working on emerging technologies including quantum computing. Marco Pistoia, who spent 24 years at IBM and managed a team ...
- Quantum Networking: A $5.5 Billion Market in 2025 Says New Inside Quantum Technology Reporton January 21, 2020 at 7:13 am
CROZET, Va., Jan. 21, 2020 (GLOBE NEWSWIRE) -- According to a new report from Inside Quantum Technology (IQT), the market for quantum networking will reach $5.5 billion by 2025. This IQT report, ...
- Quantum computing: Opening new realms of possibilitieson January 21, 2020 at 3:40 am
Creating well-functioning qubits is only one aspect of quantum computing. An equally important goal is the creation of a quantum information network — a quantum internet — that will be more secure ...
- How the Crypto World Is Preparing for Quantum Computing, Explainedon January 20, 2020 at 9:03 am
a hash-based signature scheme that is not vulnerable to quantum computers the way ECDSA is. While XMSS was first proposed a few years ago, QRL used an XMSS version described by the Internet ...
- OK, WTF Is Quantum Teleportation?on January 17, 2020 at 3:59 pm
Teleporting information across huge distances could be the next revolution in communication and connectivity, with implications for telecommunication infrastructure, new techniques in quantum ...
via Bing News