Communications of the ACM
NSW, Sydney ni Join Quantum Powers to Prove Qubit Theory
Researchers at Australian universities are working together to prove the feasibility of their quantum computing methods.
Credit: Reto Stockl/NASA Goddard Space Flight Center
Australia's University of New South Wales (UNSW) and University of Sydney (USyd) are combining their quantum computing powers, uniting methods designed by researchers at each university to prove out their feasibility.
The researchers have demonstrated that the state, or value, of a quantum bit (qubit) in silicon can be read in a way that removes the need to have readout sensors alongside the qubits.
Removing the need for parallel readout sensors allows for a computing architecture that is much simpler, meaning many more qubits can be built alongside each other.
The new method uses a single-gate electrode technique to read information, with the requirement for single-shot readout of qubits that can be manufactured using existing silicon chip technology.
Said UNSW researcher Andrew Dzurak, "One of the great things about this result is it has been put together by people coming to Sydney from across the world, attracted to the strong quantum science ecosystem we have built here."
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