Qubit Zoo

Quantum logic with spin qubits crossing the surface code threshold

1 min read

AbstractHigh-fidelity control of quantum bits is paramount for the reliable execution of quantum algorithms and for achieving fault tolerance—the ability to correct errors faster than they occur1.

Key Results

  • The central requirement for fault tolerance is expressed in terms of an error threshold.
  • Whereas the actual threshold depends on many details, a common target is the approximately 1% error threshold of the well-known surface code2,3.
  • Reaching two-qubit gate fidelities above 99% has been a long-standing major goal for semiconductor spin qubits.

Graph View