Archive for the ‘Quantum Computing’ Category

View from Washington: Aukus looms over AI and quantum – E&T Magazine

The new US-UK-Australia alliance is set to shake up how all three countries carry out research in key emerging technologies.

Most of the talk has been about submarines, but another important aspect of the new Aukus alliance between Australia, the UK and the US is that it defines emerging technologies particularly artificial intelligence and quantum computing as first-order national security issues.

As Tom Tugendhat, chair of the Commons Foreign Affairs Committee, said in a Twitter thread:

Bringing together the military industrial complex of these three allies together is a step change in the relationship. Weve always been interoperable, but this aims at much more. From artificial intelligence to advanced technology the US, UK and Australia will now be able to cost save by increasing platform sharing and innovation costs. Particularly for the smaller two, thats game-changing.

Tugendhat is right. The game has changed, and in ways that are only just coming to light. For example, digital innovation has been driven by communications, e-commerce, consumer electronics and the PC since the mid-1980s, even though the sector originally depended on the defence industry. This alliance puts government and security back at the forefront.

In other ways though, Aukus reflects a consolidation of how the technology landscape has evolved during the last five years amid greater competition between China and the West and recurrent talk of decoupling.

As well as restricting the US activities of several Chinese companies through its Entities List (most notably, but not exclusively Huawei), Washington has blocked Chinese-led takeovers of companies it considers particularly sensitive, such as Lattice Semiconductor. Aukus itself is then consistent with the recommendation of March's US National Security Commission on AI, chaired by former Google chief Eric Schmidt, that the US needed to not just increase its own efforts but also "rally our closest allies and partners to defend and compete in the coming era of AI-accelerated competition and conflict".

UK regulators are still mulling over US company Nvidias proposed $54bn bid for Cambridge-based Arm partly for national security issues more on that later and Prime Minister Boris Johnson has launched probes into a clutch of others. These include a Chinese-backed deal for semiconductor manufacturer Newport Wafer Fab and one with suggested Chinese involvement involving the takeover of a Welsh graphene specialist, Perpetuus Group.

For its part, China has hardly sought to hide that it views AI and other emerging technologies as key to defence as well as future economic prosperity. Its New Generation Artificial Intelligence Development Plan was published in 2017 and calls for the country to be the world leader in the sector by 2030. It became a policy priority following the 2016 defeat of the world Go champion, Lee Sedol, in a tournament against AlphaGo, an AI developed by UK-based Google subsidiary DeepMind Technologies. Chinas military leaders see Go as an important proving ground in the development of strategic thinking for the battlefield.

The landscape has changed greatly since, also in 2016, Theresa Mays government nodded through Softbanks original acquisition of Arm, back then passing over concerns raised in the Ministry of Defence similar to those being taken more seriously today.

With the AI race well under way whether you like it or not the consolidation within Aukus of the research efforts of the three countries promises not only the technological benefits Tugendhat identifies but also feels like a necessary acceleration.

But there will be a price.

The cycle for delivering consumer and other branches of civilian innovation has shortened from the 18 months in Moores Law to one that is now, to all intents and purposes, annual. Of late, defence applications have often used the benefits of programmable logic to which various secret combinations of spices and sauces would be added. However, it has been clear for a while that the worlds of hardware and software are eliding for AI, and quantum computing will require a shift to entirely new architectures. As a result, what companies can and cannot release to the public, and when, is likely to come under much tighter official scrutiny. Time-to-market vs. Defence of the Realm(s).

Consolidation as well as greater cooperation across the three countries is also a possibility, and this brings things back to Arm-Nvidia. As two world-class companies operating in the technology spaces covered by Aukus, and given the environment the alliance seeks to create, it may be much harder for UK regulators to block the deal. Indeed, they may now want to encourage it. Meanwhile the EU, which has serious antitrust concerns over the union of the leading IP provider with a leading chipmaker, may feel understandable French anger notwithstanding that there is too much political risk in objecting, particularly with some members nervous about the extent of President Joe Bidens commitment to Nato.

Then, some of the more notable consequences may be for the global research infrastructure, one that had become increasingly freewheeling since the fall of the Berlin Wall.

Some familiar voices are already proclaiming Aukus as evidence of the Brexit dividend. Never mind the facts that technological collaboration between the three members is already taking place through the Five Eyes intelligence alliance (with New Zealand and Canada, both not part of this agreement); that the US and UK have been sharing the nuclear propulsion research covered since 1958 and already overlap hugely in defence research (e.g., BAE Systems); and that the technological and national security trends in AI and quantum have only surfaced since the referendum vote (Lets spend 250m a week on R&D, anyone? Anyone?)

That said, as emerging technologies are considered more sensitive, governments are going to reconsider how far they can go in undertaking certain types of cutting-edge work through multinational economic bodies like the EU and other civil partnerships rather than military alliances operating under strict secrecy. Just how open exchanges in technical conferences covering those areas can be in future is also now even more up for debate.

These issues have always been there. And they have always been tricky. But are we at a point where they are about to be as tricky as they were half a century ago, and when those who knew how to navigate such territory have either retired or passed away? And, of course, we do not yet know where any boundaries are going to be set.

Many in the UK technology sector will see Aukus as a great opportunity. They are probably right to do so. But, even if not entirely in public view, the three powers involved need to communicate how they expect commercial and academic collaboration to work clearly and, given the alliance positions the areas within its scope as pressing and serious, quickly. Submarines may look like item one on the agenda, but everything else is equally immediate.

Once youve shook things up, you must still reorder them. Ad hoc simply isnt an option. The months ahead will be busy ones. Well, they better had be.

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View from Washington: Aukus looms over AI and quantum - E&T Magazine

Ohio State-led QuSTEAM initiative awarded $5 million from NSF – The Ohio State University News

A multidisciplinary, multi-institutional program led by The Ohio State University is taking the next step in its aim to develop a diverse, effective and contemporary quantum-ready workforce by revolutionizing and creating more equitable pathways to quantum science education.

QuSTEAM: Convergence Undergraduate Education in Quantum Science, Technology, Engineering, Arts and Mathematics, was awarded a $5 million cooperative agreement over a two-year period from the National Science Foundations (NSF) Convergence Accelerator. Following QuSTEAMs initial assessment period, Phase I, the award will fund Phase IIs objective to build transformative, modular quantum science degree and certification programs.

I know from personal experience that collaboration is the key to scientific success. Working across disciplines especially when it comes to the highly complex and multidisciplinary world of quantum science research will help us more quickly harness the enormous power of this emerging field and deliver real-world results more quickly and efficiently, said Ohio State President Kristina M. Johnson. As an added bonus, this project enables Ohio State to further part of its core mission, which is to educate the next generation of researchers through educational opportunities that advance diversity and workforce development.

The rapidly evolving field of quantum information science will enable technological breakthroughs and have far-reaching economic and societal impacts what researchers at the National Institute of Standards and Technology refer to as the second quantum revolution. Ohio State is emerging as a key leader in pushing the field forward, recently joining the Chicago Quantum Exchange, a growing intellectual hub for the research and development of quantum technology, as its first regional partner.

NSFs Convergence Accelerator is focused on accelerating solutions toward societal impact. Within three years, funded teams are to deliver high-impact results, which is fast for product development, said Douglas Maughan, head of the NSF Convergence Accelerator program. During Phase II, QuSTEAM and nine other 2020 cohort teams will participate in an Idea-to-Market curriculum to assist them in developing their solution further and to create a sustainability plan to ensure the effort provides a positive impact beyond NSF funding.

QuSTEAM is a great example of how universities and industry can work together to build the foundation for a strong, diverse workforce, said David Awschalom, the director of the Chicago Quantum Exchange andLiew Family Professor in Molecular Engineering and Physics at the University of Chicago. Innovations in this field require us to provide broadly accessible quantum education, and QuSTEAM represents an ambitious approach to training in quantum engineering.

Unlocking that potential, however, also requires a foundational shift in teaching and growing a quantum-literate workforce. QuSTEAM brings together scientists and educators from over 20 universities, national laboratories, community colleges, and historically Black colleges and universities (HBCUs) to develop a research-based quantum education curriculum and prepare the next generation of quantum information scientists and engineers. The initiative also has over 14 industrial partners, including GE Research, Honda and JPMorgan Chase, and collaborates with leading national research centers to help provide a holistic portrait of future workforce needs.

We have leaders in quantum information and STEM education, and both of these groups independently do good work building undergraduate curriculum, but they actually work together surprisingly rarely, said QuSTEAM lead investigator Ezekiel Johnston-Halperin, professor in the Department of Physics at Ohio State. We are talking to people in industry and academia about what aspects of quantum information are most critical, what skills are needed, what workforce training looks like today and what they expect it to look like a couple years from now.

We feel strongly about the need for redesigning quantum science education, which is the objective of QuSTEAM, said Marco Pistoia, head of the Future Lab for Applied Research and Engineering (FLARE) at JPMorgan Chase. The complexity of the quantum computing stack is enabling the creation of many new job opportunities. It is crucial for quantum curricula nationwide to collectively support this multiplicity of needs, but for this to happen, quantum scientists and engineers must have the proper training. We are very excited to see the impact of QuSTEAMs work in the near and long term, considering finance is predicted to be the first industry sector to start realizing significant value from quantum computing.

QuSTEAM is headed by five Midwestern universities: lead institution Ohio State, the University of Chicago, the University of Michigan, Michigan State University and the University of Illinois at Urbana-Champaign, all of which have partnered with local community colleges and regional partners with established transfer pipelines to engage underrepresented student populations.

The group is also collaborating with the IBM-HBCU Quantum Center to recruit faculty from its network of over 20 partner colleges and universities, as well as Argonne National Laboratory. In all, the QuSTEAM team comprises 66 faculty who share expertise in quantum information science and engineering, creative arts and social sciences, and education research.

To best develop a quantum-ready workforce, QuSTEAM identified the establishment of a common template for an undergraduate minor and associate certificate programs as the near-term priority. The team will build curricula consisting of in-person, online and hybrid courses for these degree and certification programs including initial offerings of the critical classes and modules at the respective universities while continuing to assess evolving workforce needs.

QuSTEAM plans to begin offering classes in spring 2022, with a full slate of core classes for a minor during the 2022-2023 academic year. The modular QuSTEAM curriculum will provide educational opportunities for two- and four-year institutions, minority-serving institutions and industry, while confronting and dismantling longstanding biases in STEM education.

If we want to increase diversity in quantum science, we need to really engage meaningfully with community colleges, minority-serving institutions and other small colleges and universities, Johnston-Halperin said. The traditional STEM model builds a program at an elite, R1 university and then allows the content to diffuse out from there. But historically this means designing it for a specific subset of students, and everything else is going to be a retrofit. Thats just never as effective.

QuSTEAM leverages integrated university support from faculty and staff from the Drake Institute for Teaching and Learning, the Institute for Materials Research, the Department of Physics and the Ohio State Office of Research.

Johnston-Halperin is joined at Ohio State by QuSTEAM co-PI Andrew Heckler, professor of physics and physics education research specialist. Other Ohio State faculty included on QuSTEAM are Daniel Gauthier, professor in the Department of Physics; Christopher Porter, postdoctoral researcher in the Department of Physics; David Penneys, associate professor in the Department of Mathematics; Zahra Atiq, assistant professor of practice of computer science and engineering in the College of Engineering; David Delaine and Emily Dringenberg, assistant professors of engineering education in the College of Engineering; and Edward Fletcher, associate professor of educational studies in the College of Education and Human Ecology.

QuSTEAM is one of 10 teams selected for two-year, $5 million Phase II funding as part the NSF Convergence Accelerator 2020 Cohort, which supports efforts to fast-track transitions from basic research and discovery into practice, and seeks to address national-scale societal challenges. With this funding, QuSTEAM will address the challenge of developing a strong national quantum workforce by instituting high-quality, engaging courses and educational tracks that allow for students of all backgrounds and interests to choose multiple paths of scholarship.

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Ohio State-led QuSTEAM initiative awarded $5 million from NSF - The Ohio State University News

Atomically-Thin, Twisted Graphene Has Unique Properties That Could Advance Quantum Computing – SciTechDaily

New collaborative research describes how electrons move through two different configurations of bilayer graphene, the atomically-thin form of carbon. These results provide insights that researchers could use to design more powerful and secure quantum computing platforms in the future.

Researchers describe how electrons move through two-dimensional layered graphene, findings that could lead to advances in the design of future quantum computing platforms.

New research published in Physical Review Letters describes how electrons move through two different configurations of bilayer graphene, the atomically-thin form of carbon. This study, the result of a collaboration between Brookhaven National Laboratory, the University of Pennsylvania, the University of New Hampshire, Stony Brook University, and Columbia University, provides insights that researchers could use to design more powerful and secure quantum computing platforms in the future.

Todays computer chips are based on our knowledge of how electrons move in semiconductors, specifically silicon, says first and co-corresponding author Zhongwei Dai, a postdoc at Brookhaven. But the physical properties of silicon are reaching a physical limit in terms of how small transistors can be made and how many can fit on a chip. If we can understand how electrons move at the small scale of a few nanometers in the reduced dimensions of 2-D materials, we may be able to unlock another way to utilize electrons for quantum information science.

When a material is designed at these small scales, to the size of a few nanometers, it confines the electrons to a space with dimensions that are the same as its own wavelength, causing the materials overall electronic and optical properties to change in a process called quantum confinement. In this study, the researchers used graphene to study these confinement effects in both electrons and photons, or particles of light.

The work relied upon two advances developed independently at Penn and Brookhaven. Researchers at Penn, including Zhaoli Gao, a former postdoc in the lab of Charlie Johnson who is now at The Chinese University of Hong Kong, used a unique gradient-alloy growth substrate to grow graphene with three different domain structures: single layer, Bernal stacked bilayer, and twisted bilayer. The graphene material was then transferred onto a special substrate developed at Brookhaven that allowed the researchers to probe both electronic and optical resonances of the system.

This is a very nice piece of collaborative work, says Johnson. It brings together exceptional capabilities from Brookhaven and Penn that allow us to make important measurements and discoveries that none of us could do on our own.

The researchers were able to detect both electronic and optical interlayer resonances and found that, in these resonant states, electrons move back and forth at the 2D interface at the same frequency. Their results also suggest that the distance between the two layers increases significantly in the twisted configuration, which influences how electrons move because of interlayer interactions. They also found that twisting one of the graphene layers by 30 also shifts the resonance to a lower energy.

Devices made out of rotated graphene may have very interesting and unexpected properties because of the increased interlayer spacing in which electrons can move, says co-corresponding author Jurek Sadowski from Brookhaven.

In the future, the researchers will fabricate new devices using twisted graphene while also building off the findings from this study to see how adding different materials to the layered graphene structure impacts downstream electronic and optical properties.

We look forward to continuing to work with our Brookhaven colleagues at the forefront of applications of two-dimensional materials in quantum science, Johnson says.

Reference: Quantum-Well Bound States in Graphene Heterostructure Interfaces by Zhongwei Dai, Zhaoli Gao, Sergey S. Pershoguba, Nikhil Tiwale, Ashwanth Subramanian, Qicheng Zhang, Calley Eads, Samuel A. Tenney, Richard M. Osgood, Chang-Yong Nam, Jiadong Zang, A.T. Charlie Johnson and Jerzy T. Sadowski, 20 August 2021, Physical Review Letters.DOI: 10.1103/PhysRevLett.127.086805

The complete list of co-authors includes Zhaoli Gao (now at The Chinese University of Hong Kong), Qicheng Zhang, and Charlie Johnson from Penn; Zhongwei Dai, Nikhil Tiwale, Calley Eads, Samuel A. Tenney, Chang-Yong Nam, and Jerzy T. Sadowski from Brookhaven; Sergey S. Pershogub, and Jiadong Zang from the University of New Hampshire; Ashwanth Subramanian from Stony Brook University; and Richard M. Osgood from Columbia University.

Charlie Johnson is the Rebecca W. Bushnell Professor of Physics and Astronomy in the Department of Physics and Astronomy in the School of Arts & Sciences at the University of Pennsylvania.

This research was supported by National Science Foundation grants MRSEC DMR- 1720530 and EAGER 1838412. Brookhaven National Laboratory is supported by the U.S. Department of Energys Office of Science.

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Atomically-Thin, Twisted Graphene Has Unique Properties That Could Advance Quantum Computing - SciTechDaily

For The First Time, Scientists Have Entangled Three Qubits on Silicon – ScienceAlert

While quantum computers arealready here, they're very much limited prototypes for now.

It's going to take a while before they're fulfilling anything close to their maximum potential, and we can use them the way we do regular (classical) computers. That moment is now a little nearer though, as scientists have got three entangledqubitsoperating together on a single piece of silicon.

It's the first time that's ever been done, and the silicon material is important: that's what the electronics inside today's computers are based on, so it's another advancement in bridging the gap between the quantum and classical computing realms.

Qubits are the quantum equivalent of the standard bits inside a conventional computer: they can represent several states at once, not just a 1 or a 0, which in theory means an exponential increase in computing power.

The real magic happens when these qubits are entangled, or tightly linked together.

As well as increases in computing power, the addition of more qubits means better error correction a key part of keeping quantum computers stable enough to use them outside of research laboratories.

"Two-qubit operation is good enough to perform fundamental logical calculations," says quantum physicist Seigo Tarucha, from the Riken research institute in Japan.

"But a three-qubit system is the minimum unit for scaling up and implementing error correction."

Using silicon dots as the basis of their qubits means a high level of stability and control can be applied to them, the researchers say. Silicon also makes it more practical to scale these systems up, which is something the team is keen to do in the future.

The process involved entangling two qubits to begin with, in what's known as a two-qubit gate a standard building block of quantum computers. That gate was then combined with a third qubit with an impressively high fidelity of 88 percent (a measure of how reliable the system is).

Each of the quantum silicon dots holds a single electron, with its spin-up and spin-down states doing the encoding. The setup also included an integrated magnet, enabling each qubit to be controlled separately using a magnetic field.

On its own, this isn't going to suddenly put a quantum computer on our desks the setup still required ultra-cold temperatures to operate, for example but together with the other advancements we're seeing, it's undoubtedly a solid step forward.

What's more, the researchers think there's plenty more to come from quantum silicon dots linking together more and more qubits in the same circuit. Full-scale quantum computers could be closer than we think.

"We plan to demonstrate primitive error correction using the three-qubit device and to fabricate devices with ten or more qubits," says Tarucha.

"We then plan to develop 50 to 100 qubits and implement more sophisticated error-correction protocols, paving the way to a large-scale quantum computer within a decade."

The research has been published in Nature Nanotechnology.

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For The First Time, Scientists Have Entangled Three Qubits on Silicon - ScienceAlert

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Research on Quantum Computing in Health Care Market 2021: By Growing Rate, Type, Applications, Geographical Regions, and Forecast to 2026 - Northwest...