Quantum Tech

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How to design a silicon quantum computer chip

How to design a silicon quantum computer chip
Research teams all over the world are exploring different ways to design a working computing chip that can integrate quantum interactions. Now, UNSW engineers believe they have cracked the problem, reimagining the silicon microprocessors we know to create a complete design for a quantum computer chip that can be manufactured using mostly standard industry processes and components.
15th December 2017

Silicon structure can control quantum behaviour

Silicon structure can control quantum behaviour
In a step toward making a quantum computer using everyday materials, a team led by researchers at Princeton University has constructed a key piece of silicon hardware capable of controlling quantum behaviour between two electrons with extremely high precision. The study was published in the journal Science. The team constructed a gate that controls interactions between the electrons in a way that allows them to act as the quantum bits of information, or qubits, necessary for quantum computing.
13th December 2017

Key component enables large-scale quantum computing

Key component enables large-scale quantum computing
A team at the University of Sydney and Microsoft, in collaboration with Stanford University in the US, has miniaturised a component that is essential for the scale-up of quantum computing. The work constitutes the first practical application of a new phase of matter, first discovered in 2006, the so-called topological insulators. Beyond the familiar phases of matter - solid, liquid, or gas - topological insulators are materials that operate as insulators in the bulk of their structures but have surfaces that act as conductors.
13th December 2017


A quantum leap for ultra-precise measurement?

A quantum leap for ultra-precise measurement?
An EU-funded project working with ultrafast optics, furthers control over the spatial-temporal quantum states of light, advancing quantum information science. Quantum Information Science (QIS) holds out much hope for improved metrology as well as various ITC systems. However, the degree of control over quantum states necessary to render the approach superior to conventional techniques, makes the realisation of the technology’s potential especially challenging.
29th November 2017

Improving the quantum sensing capabilities of diamond

Improving the quantum sensing capabilities of diamond
Researchers have discovered that dense ensembles of quantum spins can be created in diamond with high resolution using an electron microscopes, paving the way for enhanced sensors and resources for quantum technologies. Diamonds are made of carbon atoms in a crystalline structure, but if a carbon atom is replaced with another type of atom, this will result in a lattice defect.
22nd November 2017

Quantum secure communication is focus of research centre node

Quantum secure communication is focus of research centre node
The future of secure communication will be in quantum encryption, and KTH will lead research in this area under the auspices of a new national research centre financed by the Knut and Alice Wallenberg Foundation. Gunnar Björk, Professor of Photonics at KTH, says that the Wallenberg centre for Quantum Technology is considered to be one of Sweden's largest individual research efforts in recent years.
22nd November 2017

Billions to be invested in AI and quantum technology

Billions to be invested in AI and quantum technology
Developments in quantum technology and artificial intelligence, AI, are predicted to transform research, as well as business and society as a whole. The Knut and Alice Wallenberg Foundation is awarding a total of SEK 1.6 billion over ten years to these promising fields, in two separate research projects involving several Swedish higher education institutions. Together with other funding, the budget amounts to well over SEK 2 billion.
16th November 2017

Molecular magnetism packs power with 'messenger electron'

Molecular magnetism packs power with 'messenger electron'
Electrons can be a persuasive bunch, or at least, a talkative bunch, according to new work from John Berry’s lab at the University of Wisconsin–Madison. The spins of unpaired electrons are the root of permanent magnetism, and after 10 years of design and re-design, Berry’s lab has made a molecule that gains magnetic strength through an unusual way of controlling those spins.
14th November 2017

Quantum tunnelling in water improves biosensing

Quantum tunnelling in water improves biosensing
Researchers at the University of Sydney have applied quantum techniques to understanding the electrolysis of water, which is the application of an electric current to H2O to produce the constituent elements hydrogen and oxygen. They found that electrons can 'tunnel' through barriers in aqueous solutions away from the electrodes, neutralising ions of impurities in that water. This can be detected in changes in current, which has applications for biosensing, the detection of biological elements in solution.
8th November 2017

Quantum materials enable route to 3D electronic devices

Quantum materials enable route to 3D electronic devices
Researchers have shown how the principles of general relativity open the door to novel electronic applications such as a three-dimensional electron lens and electronic invisibility devices. In a study funded by the Academy of Finland, Aalto University researchers Alex Westström and Teemu Ojanen propose a method to go beyond special relativity and simulate Einstein's theory of general relativity in inhomogeneous Weyl semimetals.
8th November 2017


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