Fast High-Fidelity Quantum Nondemolition Qubit Readout via a Nonperturbative Cross-Kerr Coupling

Fast High-Fidelity Quantum Nondemolition Qubit Readout via a Nonperturbative Cross-Kerr Coupling

Qubit readout is an indispensable element of any quantum information processor. In this work, we experimentally demonstrate a nonperturbative cross-Kerr couplingbetween a transmon and polariton mode which enables an improved quantum nondemolition (QND) readout for superconducting qubits. The new mec...

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Bibliographic Details
Main Authors: R. Dassonneville, T. Ramos, V. Milchakov, L. Planat, É. Dumur, F. Foroughi, J. Puertas, S. Leger, K. Bharadwaj, J. Delaforce, C. Naud, W. Hasch-Guichard, J. J. García-Ripoll, N. Roch, O. Buisson
Format: article
Language:EN
Published: American Physical Society 2020
Subjects:
Physics
QC1-999
Online Access:https://doaj.org/article/73520c36d96545bbabe358a88cf6cf31
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https://doaj.org/article/73520c36d96545bbabe358a88cf6cf31

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