Update
Google's Willow Chip Reduces Quantum Error Rates
Google's Quantum AI team has demonstrated that their Willow processor can reduce quantum error rates by about 40 times compared to un-cultivated states. This technique, called magic state cultivation, is a significant step towards making quantum computers more practical and potentially more powerful, as it could lead to the development of smaller, more reliable quantum machines. The reduction in errors is a crucial advancement for quantum computing, as it brings the technology closer to performing useful tasks such as drug design and cryptography. The Willow processor, which uses magic state cultivation, achieved a logical fidelity of 99.99% with only 8% of attempts passing every check, indicating a high success rate in producing clean magic states.