Modifying surface codes can improve error correction 400 percent

Full article issued by the ARC Centre of Excellence for Engineered Quantum Systems.

ARC-supported physicists at The ARC Centre of Excellence for Engineered Quantum Systems, and based at The University of Sydney, have found a 'quantum hack' that should allow for enormous efficiency gains in quantum computing technologies.

As scientists at IBM, Google, Microsoft and universities across the world seek to scale-up quantum technology to make a practical quantum computer, finding ways to do computations within an acceptable error threshold is a big technological problem. The theoretical breakthrough from the team of PhD candidate David Tuckett, Professor Stephen Bartlett and ARC Future Fellow, Associate Professor Steven Flammia, allows for a 400 percent gain in the amount of interference noise a quantum computing system can theoretically sustain while retaining its fidelity.