Transmon-qubit readout using in-situ bifurcation amplification in the mesoscopic regime

We demonstrate a transmon qubit readout based on the nonlinear response to a drive of polaritonic meters in-situ coupled to the qubit. Inside a 3D readout cavity, we place a transmon molecule consisting of a transmon qubit and an ancilla mode interacting via non-perturbative cross-Kerr coupling. The...

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Veröffentlicht in:	arXiv.org 2024-01
Hauptverfasser:	Dassonneville, R, Ramos, T, Milchakov, V, Mori, C, Planat, L, oughi, F, Naud, C, Hasch-Guichard, W, Garcia-Ripoll, J J, Roch, N, Buisson, O
Format:	Artikel
Sprache:	eng
Schlagworte:	Anharmonicity Bifurcations Circuits Decay rate Dissipation Nonlinear response Nonlinearity Physics - Mesoscale and Nanoscale Physics Physics - Quantum Physics Polaritons Qubits (quantum computing) Superconductivity
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