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Fernando Gonzalez-Zalba

Research Fellow, University of Cambridge
I joined the Hitachi Cambridge Laboratory in 2012 after the completion of a PhD in Single-Atom Electronics at the University of Cambridge. I was appointed Senior Research Scientist in 2015 and I am currently working in the area of quantum information processing and low-power electronics. One of my main interests is the design and integration of single electron nano-electronic devices in logic circuits for low-power applications. I explore single-electron transistors, single-atom transistors, single-molecule transistors(Nano Lett. 14 5672) and magnetic single-electron transistors as a route towards enhancing the functionality of logic circuits for the Beyond CMOS era. Additionally, I work on the design and development of a silicon-based physical platform to store and process quantum information. My research in this field focuses on developing a CMOS-based quantum computing architecture using state-of-the-art CMOS transistor technology.

My efforts are devoted to simplifying the architecture by reducing the complexity of the quantum circuit using novel high-frequency techniques such as “gate-based radio-frequency reflectometry”. This technique allows charge-sensing without the need of external electrometers and performs at equivalent levels of sensitivity (Nat Commun 6 6084). Besides, it allows probing the dynamics of fast-driven two-levels systems (or qubits) leading to beautiful quantum phenomena such as Landau-Zener-Stuckelberg interferometry (Nano Lett. 16 1614), Pauli spin-blockade (Nano Lett. 15 4622, PRX 5 031024) or Sisyphus dissipation (Nat Commun 6 6084). Recently, I have been working on integration CMOS digital and quantum electronics to facilitate data management in large scale quantum processors (Phys. Rev. Applied 9, 054016).

Neven's Law: why it might be too soon for a Moore's Law for quantum computers

Jul 28, 2019 11:09 am UTC| Insights & Views Science

A new disruptive technology is on the horizon and it promises to take computing power to unprecedented and unimaginable heights. And to predict the speed of progress of this new quantum computing technology, the director...

Economy

Digital trade protocol for Africa: why it matters, what’s in it and what’s still missing

In February 2024, African heads of states adopted a draft protocol to regulate digital trade within the continent. This significant yet challenging course for Africas digital economy fits into the broader trade agreement,...

Industry shutdowns are messy and painful: 4 lessons Australia’s coal sector can learn from car-makers about bowing out

Shifting Australias electricity sector to low-carbon technologies and closing coal plants is vital to tackling climate change. But such transitions are easier said than done. People and economies are often deeply...

Food prices will climb everywhere as temperatures rise due to climate change – new research

Climate change, and specifically rising temperatures, may cause food prices to increase by 3.2% per year, according to a new study by researchers in Germany. As climate change continues to worsen, this price inflation will...

Industrialisation is still vital to economic development but some countries are struggling to reap its benefits

Alexander Hamilton, one of the founding fathers of the US, wrote a wealth of reports that served as building blocks for the countrys economic system. In 1791, during his time as secretary of the Treasury, Hamilton...

This is how President Ramaphosa got to the 25% figure of progress in land reform in South Africa

Nearly three decades into democracy, land reform remains central to South Africas transformation policies and agricultural policy. We have over the years pointed out that the progress on land reform has been incorrectly...

Politics

Nvidia RTX 4090D Embroiled in US-China Tech Rivalry; South Korea Navigates Chip Export Dilemma

The U.S. government has tightened export restrictions on high-performance semiconductor chips to China, including the Nvidia RTX 4090D, and is urging South Korea to enforce similar curbs, marking a significant escalation...

US and Japan Boost AI, Semiconductor Alliance; EU Eyes Reduction in China Dependence

Japan and the United States are poised to deepen ties in the high-tech sector, signaling a strategic move to enhance their global partnership with a focus on artificial intelligence and semiconductor...

US Finalizes Ban List for Chinese Chipmakers; Boosts Mexico Semiconductor Ties

The United States is finalizing a list of Chinese chip factories banned from receiving vital technology, aiming to curb Beijings tech advancements amid national security concerns. Concurrently, a US-Mexico semiconductor...

China's Commerce Minister to Advocate EV Sector in Europe Amid Subsidy, Tariff Probe

Chinas Commerce Minister Wang Wentao is set to visit Europe in April to address concerns and advocate for the Chinese electric vehicle (EV) industry amid a European Commission investigation into alleged unfair...

South Africa’s electricity crisis: what political parties say in their election manifestos about solving it

South Africa is in the middle of a deep electricity crisis. In 2023 the public, many of whom are voters, experienced the worst loadshedding to date, losing power for an average of five hours a day. The power shortages...

Science

Exploding stars are rare but emit torrents of radiation − if one happened close enough to Earth, it could threaten life on the planet

Stars like the Sun are remarkably constant. They vary in brightness by only 0.1% over years and decades, thanks to the fusion of hydrogen into helium that powers them. This process will keep the Sun shining steadily for...

An eclipse for everyone – how visually impaired students can ‘get a feel for’ eclipses

Many people in the U.S. will have an opportunity to witness nearly four minutes of a total solar eclipse on Monday, April 8, 2024, as it moves from southern Texas to Maine. But in the U.S., over 7 million people are blind...

How do airplanes fly? An aerospace engineer explains the physics of flight

Airplane flight is one of the most significant technological achievements of the 20th century. The invention of the airplane allows people to travel from one side of the planet to the other in less than a day, compared...

The mystery of consciousness shows there may be a limit to what science alone can achieve

The progress of science in the last 400 years is mind-blowing. Who would have thought wed be able to trace the history of our universe to its origins 14 billion years ago? Science has increased the length and the quality...

What is minoxidil, the anti-balding hair growth treatment? Here’s what the science says

Hair loss (also known as alopecia) often affects the scalp but can occur anywhere on the body. Its very common and usually nothing to worry about; about half of Australian men show signs of visible baldness at age 50 and...

Technology

Expert Warns: Altcoin Dip Buying Riskier Than It Appears, Cites Historical Data

Amid turbulent market conditions, Benjamin Cowen, CEO of Into The Cryptoverse, advises caution against purchasing altcoins on the dip, pointing to historical patterns that signal further declines could follow. Market...

Intel Rolls Out Limited AI Chips for China, Gains Despite Market Slump

Intel will release two AI processors with limited capabilities for the Chinese market to comply with US export limits and sanctions. Intel and Nvidia Adapt to U.S. Export Laws, Release Modified AI Chips for China...

Markets Teeter as 10x Research Predicts Sharp Decline in Stocks, Crypto

In a stark warning from 10x Research, founder Markus Thielen predicts a significant downturn for both stock and cryptocurrency markets, driven by persistent inflation fears and diminishing hopes for rate cuts. This alert...

Kakao Games, SM Entertainment Sign Licensing Agreement for Games Featuring K-pop Idol Groups

Kakao Games Corporation entered into an intellectual property (IP) rights agreement with SM Entertainment, and the deal was revealed on Tuesday, April 16. The South Korean video game publisher will develop several games...

Doosan Robotics, LG Electronics Debut EV Charging Robot, Kicks Off Pilot Operation in South Korea

Doosan Robotics and LG Electronics have developed an automatic charging machine for electric vehicles. The companies collaborative project is now being tested in South Korea. Doosan Robotics and LG Electronics pilot...