• •
ğ • •
v z z x
• • |𝜔⟩ |𝜔⟩
|𝜔⟩ • • •
Conventional HEMT |1⟩ |1⟩ |0⟩ |0⟩ Parametric Amplifier |1⟩ |1⟩ |0⟩ |0⟩
Integration Σ 2922 time |1⟩ |0⟩
82.2 % 80.5 % 79.4 % 84.2 % 79.5 % 83.6 %
averaged readout of qubit 3
• • • • • • • • • •
Recent Developments in Quantum Error Correction A T X D T D M X D B X A M Discretize, signal errors 000 111 using quantum parity checks encode ˆ 0 X P ˆ X P 0 X IBM: Corcoles et al ., ArXiv:1410.6419 QuTech: Ristè, Poletto, Huang et al ., ArXiv:1411.5542 UCSB/Google: Kelly et al. , ArXiv:1411.7403
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