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Primeur weekly 2017-11-06

Quantum computing

Researchers develop data bus for quantum computer ...

Focus on Europe

Luxembourg 25th country to join PRACE ...

European Commission to invest 30 billion euro in new solutions for societal challenges and breakthrough innovation ...

Middleware

3i partners with DDN Storage to deliver demanding microscopy workflow solutions and unmatched performance ...

A third of the Internet is under attack ...

University of Nevada Las Vegas selects winning combination of Bright Cluster Manager and Advanced HPC ...

Hardware

Cray reports third quarter 2017 financial results ...

Asetek announces OEM partnership with E4 Computer Engineering and installation at CINECA in Italy ...

Asetek announces NEC Corporation as new data centre OEM partner ...

NVIDIA announces new AI partners, courses, initiatives to deliver deep learning training worldwide ...

Canadian Minister Qualtrough unveils new supercomputers to help forecast Canada's weather ...

KAUST IT receives iCMG Enterprise Architecture Award ...

Pawsey's Zeus expands to fulfil researchers' needs ...

NCI supercharges Raijin, Australia's fastest supercomputer ...

Supermicro showcases deep learning optimized systems ...

Applications

Sherlock deploys UC's first HIPAA-compliant Hadoop based data management system ...

Yu Liu appointed assistant professor of electrical & computer engineering at Clarkson University ...

Cutting datasets down to size ...

University of Delaware professor wins IEEE award ...

A bit of a 'quantum magic trick' ...

From quantum physicist to quantum CEO ...

High-performance computing methods focus of new text ...

Students explore immigration through a Big Data lens ...

Bright Computing announces reseller agreement with HPE for high performance computing and AI ...

The Cloud

IBM brings Cloud-native environment to private Clouds ...

IBM expands Watson Data Platform to help unleash AI for professionals ...

UberCloud brings parallel MPI to Univa Grid Engine's Docker support ...

Huawei acquires a seat in the Kubernetes Steering Committee ...

Red Hat improves IT flexibility and reduces complexity with Linux containers in latest version of production-ready OpenStack platform ...

Researchers develop data bus for quantum computer


Scientists have developed a protocol that can be used to connect quantum systems that are encoded differently. Credit: University of Innsbruck/Harald Ritsch.
6 Nov 2017 Innsbruck - Future quantum computers will be able to solve problems where conventional computers fail today. We are still far away from any large-scale implementation, however, because quantum systems are very sensitive to environmental noise. Although systems can be protected from noise in principle, researchers have been able to build only small prototypes of quantum computers experimentally. One way to reduce the error rate is by encoding quantum information not in one single quantum particle but in several quantum objects. These logical quantum bits or qubits are more robust against noise. In the last few years, theoretical physicists have developed a whole range of error correction codes and optimized them for specific tasks. Physicists Hendrik Poulsen Nautrup and Hans Briegel from the Institute of Theoretical Physics of the University of Innsbruck and Nicolai Friis, now at the Institute of Quantum Optics and Quantum Information in Vienna, have found a technique to transfer quantum information between systems that are encoded differently.

Similar to classical computers, future quantum computers might be built with different components. Scientists have already built small-scale quantum processors and memories experimentally, and they have used different protocols to encode logical qubits: For example, for quantum processors they use so-called colour codes and for quantum memories surface codes. "For the two systems to interact with each other quantum mechanically, we have to connect them", stated PhD student Hendrik Poulsen Nautrup. "We have developed a protocol that allows us to merge quantum systems that are encoded differently."

The scientists suggest to locally modify specific elements of the encoded quantum bits. This process is also called lattice surgery, which is used to couple systems such as quantum processors and memories. Once the systems are temporarily "sewed" together, quantum information can be teleported from the processor to the memory and vice versa. "Similar to a data bus in a conventional computer, scientists can use this technique to connect the components of a quantum computer", explained Poulsen Nautrup.

This new scheme is another step towards building a universal quantum computer and research for experimental realization is under way. The research was conducted within the framework of the doctoral programme Atoms, Light, and Molecules offered at the University of Innsbruck and was funded by the Austrian Science Fund and the Templeton World Charity Foundation.

Source: University of Innsbruck

Back to Table of contents

Primeur weekly 2017-11-06

Quantum computing

Researchers develop data bus for quantum computer ...

Focus on Europe

Luxembourg 25th country to join PRACE ...

European Commission to invest 30 billion euro in new solutions for societal challenges and breakthrough innovation ...

Middleware

3i partners with DDN Storage to deliver demanding microscopy workflow solutions and unmatched performance ...

A third of the Internet is under attack ...

University of Nevada Las Vegas selects winning combination of Bright Cluster Manager and Advanced HPC ...

Hardware

Cray reports third quarter 2017 financial results ...

Asetek announces OEM partnership with E4 Computer Engineering and installation at CINECA in Italy ...

Asetek announces NEC Corporation as new data centre OEM partner ...

NVIDIA announces new AI partners, courses, initiatives to deliver deep learning training worldwide ...

Canadian Minister Qualtrough unveils new supercomputers to help forecast Canada's weather ...

KAUST IT receives iCMG Enterprise Architecture Award ...

Pawsey's Zeus expands to fulfil researchers' needs ...

NCI supercharges Raijin, Australia's fastest supercomputer ...

Supermicro showcases deep learning optimized systems ...

Applications

Sherlock deploys UC's first HIPAA-compliant Hadoop based data management system ...

Yu Liu appointed assistant professor of electrical & computer engineering at Clarkson University ...

Cutting datasets down to size ...

University of Delaware professor wins IEEE award ...

A bit of a 'quantum magic trick' ...

From quantum physicist to quantum CEO ...

High-performance computing methods focus of new text ...

Students explore immigration through a Big Data lens ...

Bright Computing announces reseller agreement with HPE for high performance computing and AI ...

The Cloud

IBM brings Cloud-native environment to private Clouds ...

IBM expands Watson Data Platform to help unleash AI for professionals ...

UberCloud brings parallel MPI to Univa Grid Engine's Docker support ...

Huawei acquires a seat in the Kubernetes Steering Committee ...

Red Hat improves IT flexibility and reduces complexity with Linux containers in latest version of production-ready OpenStack platform ...