Long-Distance Transmon Coupler with cz-Gate Fidelity above 99.8%
Tunable coupling of superconducting qubits has been widely studied due to its importance for isolated gate operations in scalable quantum processor architectures. Here, we demonstrate a tunable qubit-qubit coupler based on a floating transmon device, which allows us to place qubits at least 2 mm apa...
Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
American Physical Society
2023-02-01
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Series: | PRX Quantum |
Online Access: | http://doi.org/10.1103/PRXQuantum.4.010314 |