Scientists in universities and at tech companies across the planet are working towards building a universal, fault-tolerant quantum computer. “Our hope is that the robustness offered by ‘spacing things out’ in an infinite Hilbert space gives you a qubit that is very robust, because it can tolerate common errors like photon loss,” said Dr Grimsmo from the University of Sydney Nano Institute and School of Physics. The collaboration is across two leading quantum research centres in Australia, the ARC Centre of Excellence for Engineered Quantum Machines and the ARC Centre of Excellence for Quantum Computation and Communication Technology. The research, published this week in Physical Review X, was jointly written with Dr Joshua Combes from the University of Queensland and Dr Ben Baragiola from RMIT University. “What we have done in our paper is unify these and other codes into a common framework.” “Many different types of bosonic error correction codes have been demonstrated experimentally, such as ‘cat codes’ and ‘binomial codes’,” he said. “The beauty of these codes is they are ‘platform agnostic’ and can be developed to work with a wide range of quantum hardware systems,” Dr Grimsmo said.
#Experimental quantum error correction full
Scientists in Australia have developed a new approach to reducing the errors that plague experimental quantum computers a step that could remove a critical roadblock preventing them scaling up to full working machines.īy taking advantage of the infinite geometric space of a particular quantum system made up of bosons, the researchers, led by Dr Arne Grimsmo from the University of Sydney, have developed quantum error correction codes that should reduce the number of physical quantum switches, or qubits, required to scale up these machines to a useful size. Dr Arne Grimsmo from Sydney Nano and the School of Physics.
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