In a sign that the wave of error correction research we saw in 2024 will not only continue but accelerate in 2025, three new error correction papers, two from Google AI and one from a Harvard/MIT/QuEra team, have been posted on arXiv showing continued advancements from some of their previous research.
The first paper from Google is titled Scaling and logic in the color code on a superconducting quantum processor which shows the results of their implementation of a different error code on their recently announced Willow chip. Unlike the previous error correction experiment on the Willow chip which used the surface code, this one uses the Color code. An advantage of the Color code is that is can enable much more efficient logic but it also makes the measurement and…