14.08.2021

‘Missing jigsaw piece’: engineers make critical advance in quantum computer design

A decades-old problem about how to reliably control millions of qubits in a silicon quantum computer chip has now been solved.

Quantum engineers from UNSW Sydney have removed a major obstacle that has stood in the way of quantum computers becoming a reality: they discovered a new technique they say will be capable of controlling millions of spin qubits – the basic units of information in a silicon quantum processor.

Until now, quantum computer engineers and scientists have worked with a proof-of-concept model of quantum processors by demonstrating the control of only a handful of qubits. But with their latest research, published today in Science Advances, the team have been working with silicon-based qubits made at ANFF NSW to demonstrate what they consider ‘the missing jigsaw piece’ in the quantum computer architecture that should enable the control of the millions of qubits needed for extraordinarily complex calculations.

Read more on the UNSW website.

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