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Pseudo-Digital Qubits

Quantum computers need to satisfy both the requirements of low decoherence
errors and low gating errors. This is very difficult to do with the analog gates used by most proposals. Here we introduce a hardware-based technique for pseudo-digital gate operation. By employing a sliding-dot geometry, we find that pseudo-digital techniques reduce operational error rates by more than two orders of magnitude, thus facilitating fast operation.

M. Friesen, R. Joynt, and M. Eriksson, Appl. Phys. Lett. 81, 4619 (2002)

Pseudo-Digital Qubits: A General Approach

  

 

 

 

 

 


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