can you give a bit more information on 100's of qubits below threshold? I wasn't aware of 100's...
https://www.nature.com/articles/s41586-025-09848-5 performs CZ gates on up to 256 qubits with fidelities of 99.5%, which is good enough to run surface codes below threshold.
https://www.nature.com/articles/s41586-025-09848-5 performs CZ gates on up to 256 qubits with fidelities of 99.5%, which is good enough to run surface codes below threshold.