The team of physicists at UNSW Sydney led by 2018 Australian of the Year Professor Michelle Simmons have built a super-fast version of the central building block of a quantum computer. The research is a milestone result of a vision first outlined by scientists 20 years ago.
UNSW engineers have created a new quantum bit that remains in a stable superposition for 10 times longer than previously achieved, dramatically expanding the number of calculations that could be performed in a future silicon quantum computer.
Australian researchers have figured out a way to deal with errors in quantum computers, giving them the essential architecture that may help this team become the first to build a functioning quantum computer in silicon.
A dramatic increase in the amount of time that data can be stored on a single atom means silicon could once again play a vital role in the development of super-fast computers, write Andrea Morello and Andrew Dzurak.