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Complete universal quantum gate set approaching fault-tolerant thresholds with superconducting qubits
Complete universal quantum gate set fault-tolerant thresholds superconducting qubits
2012/2/27
We use quantum process tomography to characterize a full universal set of all-microwave gates on two superconducting single-frequency single-junction transmon qubits. All extracted gate fidelities, in...
Wirebond crosstalk and cavity modes in large chip mounts for superconducting qubits
Wirebond crosstalk cavity modes large chip mounts superconducting qubits
2010/11/25
We analyze the performance of a microwave chip mount that uses
wirebonds to connect the chip and mount grounds. A simple impedance ladder model predicts that transmission crosstalk between two feedli...
Interface Between Topological and Superconducting Qubits
Interface Topological Superconducting Qubits
2010/11/11
We propose and analyze an interface between a topological qubit and a superconducting flux qubit. In our scheme, the interaction between Majorana fermions in a topological insulator is coherently cont...