A floating tunable coupler allows 24 ns adiabatic CZ gates above 99.9% fidelity with exact ZZ=0 at idle for fixed-frequency transmons.
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Orthogonal FDM with rectangular pulses suppresses interference to enable high-fidelity simultaneous gates on multiple qubits via a single microwave line.
Postselection on continuous monitoring of spontaneous emission slows entanglement decay in a two-transmon system and reveals exceptional points with PT-symmetric phases in the interaction frame.
citing papers explorer
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Unlocking a fast adiabatic CZ gate and exact residual $ZZ$ cancellation between fixed-frequency transmons using a floating tunable coupler
A floating tunable coupler allows 24 ns adiabatic CZ gates above 99.9% fidelity with exact ZZ=0 at idle for fixed-frequency transmons.
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Orthogonal frequency-division multiplexing for simultaneous gate operations on multiple qubits via a shared control line
Orthogonal FDM with rectangular pulses suppresses interference to enable high-fidelity simultaneous gates on multiple qubits via a single microwave line.
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Entanglement Dynamics in a Two Transmon Qubit System under Continuous Measurement and Postselection
Postselection on continuous monitoring of spontaneous emission slows entanglement decay in a two-transmon system and reveals exceptional points with PT-symmetric phases in the interaction frame.