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Primeur weekly 2018-02-26

Focus

The European Processor Initiative (EPI) to develop the processor that will be at the heart of the European exascale supercomputer effort ...

Quantum computing

Unconventional superconductor may be used to create quantum computers of the future ...

Developing reliable quantum computers: International research team makes important step on the path to solving certification problems ...

Programming on a silicon quantum chip ...

D-Wave locks in $20 million funding and completes prototype of next-gen quantum processor ...

Focus on Europe

Luxembourg joins the European supercomputer network PRACE ...

ICEI Public Information Event on the realisation of a federated HPC and data analytics infrastructure ...

Dutch eScience and Lorentz Centers launch Call to host workshop on digitally enhanced research ...

Middleware

Adaptive Computing announces release of Moab HPC Suite 9.1.2 ...

NCSA Assistant Director Dan Katz named BSSw Fellow ...

University of Nevada, Las Vegas' supercomputing boosted through new collaboration with Altair ...

Hardware

C-DAC focusing on cancer treatment using supercomputers as a tool ...

South-Korean Ministry of Science and Technology to announce Second National High-Performance Computing Fundamental Plan ...

IBM reveals novel energy-saving optical receiver with a new record of rapid power-on/off time ...

Computers learn to learn: Intel and researchers from Heidelberg and Dresden present three new neuromorphic chips ...

HPE helps U.S. Department of Defense to advance national defense capabilities ...

OCF deploys petascale Lenovo supercomputer at University of Southampton ...

HPE reports fiscal 2018 first quarter results ...

Ranovus announces general availability of its on-board optics and CFP2 direct detect transceiver products for 5G mobility and data centre interconnect applications ...

Mellanox appoints Steve Sanghi and Umesh Padval to Board of Directors ...

Applications

Supercomputers aid discovery of new, inexpensive material to make LEDs with high colour quality ...

AI companies to reuse crypto mining farms for deep learning in health care ...

Computer scientists and materials researchers collaborate to optimize steel classification ...

Boris Kaus receives ERC Consolidator Grant for his research in magmatic processes ...

Metabolic modelling becomes three-dimensional ...

Powerful supercomputer unlocks possibilities for tinier devices and affordable DNA sequencing ...

New Berkeley Lab algorithms create "Minimalist Machine Learning" that analyzes images from very little information ...

The Cloud

Adaptive Computing makes HPC Cloud strategies more accessible with the Moab/NODUS Cloud Bursting 1.1.0 release ...

USFlash

Gen-Z Consortium announces the public release of its Core Specification 1.0 ...

Programming on a silicon quantum chip


14 Feb 2018 Delft - Quantum technology makes a great leap forward. While scientists can control a few qubits with great reliability, it doesn't yet look like a real computer. Useful quantum chips require programmability: the ability to perform an arbitrary set of operations. Scientists from QuTech in Delft have now realised a programmable two-qubit quantum processor in silicon successfully implementing two quantum algorithms. They have published their work in the magazineNature.

The quantum computer of the future will be a game changer in the area of large and intensive calculations. By using quantum superpositions and entanglement of quantum bits (qubits) calculations can be performed in parallel. Professor Lieven Vandersypen expects that this will make calculations that are practically impossible for classical computers, such as factoring large prime numbers and searching large unsorted lists, possible in the future.

In recent years, scientists have achieved ever better qubits. These few qubits are now measured and manipulated with such high reliability that useful programming becomes important. To be able to perform universal quantum calculations, operations that control the state of individual qubits and intertwine multiple qubits in a controlled way are required. "This set of operations must be available in such a way that we can place them in any order to perform different algorithms", explained Tom Watson. "That is what we call programmability."

The scientists from QuTech and the Kavli Institute of Nanoscience Delft in the team of Lieven Vandersypen, and their collaborators from the University of Wisconsin, focus on qubits in silicon chips. These qubits are created by "dialing in" a few electrons using controlled electrical signals. Silicon is a promising material: it is fully developed by the current computer industry and naturally causes little disruption to our qubits. Lieven Vandersypen stated: "Silicon quantum chips are very similar to industrial classic computer chips and the qubits can be controlled fully electronically."

Using the reliable operations in the two-qubit quantum chip, the scientists managed to program and execute the first quantum algorithms. The first algorithm, the Deutsch-Josza algorithm, tests whether a function is "even" or "odd". Tom Watson stated: "It's like you only have to throw a coin once to see if both sides are the same or not." They also performed the so-called "Grover-search algorithm". This algorithm searches for the right answer in one go in an unsorted set.

This example of a programmable quantum chip with reliable silicon qubits is an important milestone towards realizing reliable and scalable quantum calculations. Scientists showed that the qubits are controllable, can be entangled with high reliability and that operations can be combined to perform a quantum algorithm. "In order to be able to execute more complex algorithms, we will develop silicon quantum chips with more qubits, both in the Delft cleanrooms and in industrial cleanrooms with our partner Intel", stated Lieven Vandersypen.

Video by Bruno van Wayenburg.
Source: QuTech

Back to Table of contents

Primeur weekly 2018-02-26

Focus

The European Processor Initiative (EPI) to develop the processor that will be at the heart of the European exascale supercomputer effort ...

Quantum computing

Unconventional superconductor may be used to create quantum computers of the future ...

Developing reliable quantum computers: International research team makes important step on the path to solving certification problems ...

Programming on a silicon quantum chip ...

D-Wave locks in $20 million funding and completes prototype of next-gen quantum processor ...

Focus on Europe

Luxembourg joins the European supercomputer network PRACE ...

ICEI Public Information Event on the realisation of a federated HPC and data analytics infrastructure ...

Dutch eScience and Lorentz Centers launch Call to host workshop on digitally enhanced research ...

Middleware

Adaptive Computing announces release of Moab HPC Suite 9.1.2 ...

NCSA Assistant Director Dan Katz named BSSw Fellow ...

University of Nevada, Las Vegas' supercomputing boosted through new collaboration with Altair ...

Hardware

C-DAC focusing on cancer treatment using supercomputers as a tool ...

South-Korean Ministry of Science and Technology to announce Second National High-Performance Computing Fundamental Plan ...

IBM reveals novel energy-saving optical receiver with a new record of rapid power-on/off time ...

Computers learn to learn: Intel and researchers from Heidelberg and Dresden present three new neuromorphic chips ...

HPE helps U.S. Department of Defense to advance national defense capabilities ...

OCF deploys petascale Lenovo supercomputer at University of Southampton ...

HPE reports fiscal 2018 first quarter results ...

Ranovus announces general availability of its on-board optics and CFP2 direct detect transceiver products for 5G mobility and data centre interconnect applications ...

Mellanox appoints Steve Sanghi and Umesh Padval to Board of Directors ...

Applications

Supercomputers aid discovery of new, inexpensive material to make LEDs with high colour quality ...

AI companies to reuse crypto mining farms for deep learning in health care ...

Computer scientists and materials researchers collaborate to optimize steel classification ...

Boris Kaus receives ERC Consolidator Grant for his research in magmatic processes ...

Metabolic modelling becomes three-dimensional ...

Powerful supercomputer unlocks possibilities for tinier devices and affordable DNA sequencing ...

New Berkeley Lab algorithms create "Minimalist Machine Learning" that analyzes images from very little information ...

The Cloud

Adaptive Computing makes HPC Cloud strategies more accessible with the Moab/NODUS Cloud Bursting 1.1.0 release ...

USFlash

Gen-Z Consortium announces the public release of its Core Specification 1.0 ...