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Quantum computing

Quantum computing

Manufacturing silicon qubits at scale

12 Nov 2019
This article first appeared in the 2019 Physics World Focus on Computing under the headline "From bits to quantum bits"

As quantum computing enters the industrial sphere, questions about how to manufacture qubits at scale are becoming more pressing. Here, Fernando Gonzalez-Zalba, Tsung-Yeh Yang and Alessandro Rossi explain why decades of engineering may give silicon the edge

An artist’s impression of transistor-based qubits and control electronics.
Silicon goes quantum An artist’s impression of transistor-based qubits and control electronics. (Courtesy: Hitachi)
In the past two decades, quantum computing has evolved from a speculative playground into an experim

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Fernando Gonzalez-Zalba and Tsung-Yeh Yang are the head of quantum computing and a research scientist, respectively, at Hitachi Cambridge Laboratory, Hitachi Europe Ltd. Alessandro Rossi is a Chancellor’s Fellow at the University of Strathclyde and Measurement Fellow at the UK National Physical Laboratory, e-mail alessandro.rossi@strath.ac.uk
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