Error correction 5 Quantum error corrections Qubits 5 Quanta computers 2 Quantum entanglement 2 Quantum memory 2 Quantum optics 2 Benchmarking 1 C++ (programming language) 1 CNOT gate 1 Circuit levels 1 ClIFFORD 1 Clifford group 1 Code analysis 1 Codes (symbols) 1 Decoding 1 Depolarization 1 Distillation 1 Error syndrome 1 Error-correction schemes 1 Errors correction 1 Fault-tolerant 1 Fibonacci string 1 Gate circuit 1 Hard problems 1 Hilbert spaces 1 Hilbert-space reduction 1 Intelligent systems 1 Logical qubits 1 Magnetic fields 1