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Fernando Gonzalez-Zalba

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...

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