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Primeur weekly 2018-12-10

Quantum computing

Researchers demonstrate new building block in quantum computing ...

Atos to participate in two major Quantum Flagship Initiative programmes ...

European Union grants 14 million to Swiss researchers, fuelling the next quantum revolution with the research project HERO ...

Harnessing the power of 'spin orbit' coupling in silicon: Scaling up quantum computation ...

Will light be the basis for quantum computing? ...

Focus on Europe

ISC High Performance Travel Grant Programme 2019 now open ...

Middleware

NERSC users begin implementing MFA for higher security access to Cori ...

Hardware

New DDN Storage-powered technology platform delivers researchers capability for real-time analysis of high-rate microscopy data ...

Intel announces neuromorphic research progress ...

Mellanox Ethernet adapter facilitates high performance network solutions at Alibaba ...

NVIDIA reveals the Titan of Turing: TITAN RTX ...

Supermicro unleashes all-flash NVMe 1U petabyte scale systems at Gartner Data Center Conference 2018 ...

Supercomputers without waste heat ...

Intel and Berkeley Lab look beyond CMOS to the future of logic devices ...

Spectra7 achieves low latency error free performance with Mellanox ConnectX-5 network adapters ...

Oral Roberts University to inaugurate new supercomputer ...

Tachyum achieves engineering-proof status: All critical Prodigy components exceed design goals ...

Applications

LIGO supercomputer upgrade will speed up groundbreaking astrophysics research ...

University of Wyoming faculty have until December 28 to apply for supercomputer use ...

HPC-AI Advisory Council & Swiss National Supercomputing Centre announce Swiss Conference & HPCXXL User Group, April 2019 ...

The Cloud

Atos works on European project in collaboration with South Korea on Artificial Intelligence, Blockchain and IoT ...

Quobyte Data Center File System now available on Google Cloud Platform marketplace ...

Will light be the basis for quantum computing?

10 Dec 2018 Québec - A team from INRS performs computing operations using highly complex quantum states - marking an important milestone in the development of quantum computing.

Using a compact optical platform that exploits the quantum characteristics of light, Professor Roberto Morandotti and his team are one step closer to realizing the first powerful photonic quantum computer. In the journalNature Physics, the INRS researchers revealed to have generated a particular class of quantum states - d-level cluster states, as well as to have used them to implement novel quantum operations. The demonstrated states exhibit unique properties that make them more robust and powerful than any other such states demonstrated thus far.

For nearly ten years, Professor Roberto Morandotti has been building an ambitious system piece by piece by developing chips that use light particles (photons) as the data medium. On these coin-sized chip structures, photons are generated and transformed so they can be assigned unique quantum properties. His team was the first to successfully create high-dimensional - i.e. quDit - optical cluster states, one of the elements that can enable the ongoing quest to harness the power of quantum computing.

Electronic computer systems are nearing the limit of their capabilities, yet demand for greater computing power is constantly growing. This is why scientists are turning to quantum computing, investigating how to encode a significant amount of information in light particles and perform calculations of unprecedented complexity.

To get there, the data medium has to be shifted to quantum bits - or qubits, the non-classical computing equivalent of conventional bits. By judiciously designing the quantum state of the photons, it is possible to increase the information storage capacity of qubits and boost them to obtain so-called quDits. Then, by grouping the quDits into clusters, quantum computing operations based on the so called 'one-way' scheme become possible.

Other approaches to quantum computing use ions, atoms, or other quantum resources, but the efforts to manipulate them towards a higher-dimensional encoding have been inefficient. According to Professor José Azaña from INRS, an expert of telecommunications who contributed to this research, photons also present another advantage: "They are used to transmit information via optical fibers in existing telecommunications systems. That means photons with controlled quantum properties can also travel through these same channels without losing their attributes."

The complexity and richness of the cluster states described in the article inNature Physicsis unprecedented. Moreover, the team of researchers also achieved another first by performing high-dimensional quantum computing operations harnessing the realized cluster states.

They demonstrated that light has all the necessary features to power the superfast computers of the future. In a significant leap forward, this was done with a compact system compatible with existing technologies. The platform developed by the INRS team is capable of generating quantum states with complexities sufficient to achieve quantum computing objectives, thus paving the way to one-way quantum computers.

Christian Reimer, Stefania Sciara, Piotr Roztocki, Mehedi Islam, Luis Romero Cortés, Yanbing Zhang, Bennet Fischer, Sébastien Loranger, Raman Kashyap, Alfonso Cino, Sai T. Chu, Brent E. Little, David J. Moss, Lucia Caspani, William J. Munro, José Azana, Michael Kues and Roberto Morandotti are the authors of the paper titled " High-dimensional one-way quantum processing implemented on d-level cluster states " and published inNature Physics, on December 3, 2018 - DOI: 10.1038/s41567-018-0347-x.

The research team received financial support from the Natural Sciences and Engineering Research Council of Canada, Ministère de l'Économie, de la Science et de l'Innovation du Québec, Canada Research Chairs, the Australian Research Council, the European Union, the Chinese Academy of Sciences, the John Templeton Foundation, the Government of the Russian Federation, and the 1,000 Talents Programme, Sichuan, China.
Source: Institut national de la recherche scientifique - INRS

Back to Table of contents

Primeur weekly 2018-12-10

Quantum computing

Researchers demonstrate new building block in quantum computing ...

Atos to participate in two major Quantum Flagship Initiative programmes ...

European Union grants 14 million to Swiss researchers, fuelling the next quantum revolution with the research project HERO ...

Harnessing the power of 'spin orbit' coupling in silicon: Scaling up quantum computation ...

Will light be the basis for quantum computing? ...

Focus on Europe

ISC High Performance Travel Grant Programme 2019 now open ...

Middleware

NERSC users begin implementing MFA for higher security access to Cori ...

Hardware

New DDN Storage-powered technology platform delivers researchers capability for real-time analysis of high-rate microscopy data ...

Intel announces neuromorphic research progress ...

Mellanox Ethernet adapter facilitates high performance network solutions at Alibaba ...

NVIDIA reveals the Titan of Turing: TITAN RTX ...

Supermicro unleashes all-flash NVMe 1U petabyte scale systems at Gartner Data Center Conference 2018 ...

Supercomputers without waste heat ...

Intel and Berkeley Lab look beyond CMOS to the future of logic devices ...

Spectra7 achieves low latency error free performance with Mellanox ConnectX-5 network adapters ...

Oral Roberts University to inaugurate new supercomputer ...

Tachyum achieves engineering-proof status: All critical Prodigy components exceed design goals ...

Applications

LIGO supercomputer upgrade will speed up groundbreaking astrophysics research ...

University of Wyoming faculty have until December 28 to apply for supercomputer use ...

HPC-AI Advisory Council & Swiss National Supercomputing Centre announce Swiss Conference & HPCXXL User Group, April 2019 ...

The Cloud

Atos works on European project in collaboration with South Korea on Artificial Intelligence, Blockchain and IoT ...

Quobyte Data Center File System now available on Google Cloud Platform marketplace ...