Ultra-dispersive resonator readout of a quantum-dot qubit using longitudinal coupling

Ultra-dispersive resonator readout of a quantum-dot qubit using longitudinal coupling

Abstract We perform readout of a quantum-dot hybrid qubit coupled to a superconducting resonator through a parametric, longitudinal interaction mechanism. Our experiments are performed with the qubit and resonator frequencies detuned by ~10 GHz, demonstrating that longitudinal coupling can facilitat...

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Main Authors: Benjamin Harpt, J. Corrigan, Nathan Holman, Piotr Marciniec, D. Rosenberg, D. Yost, R. Das, Rusko Ruskov, Charles Tahan, William D. Oliver, R. McDermott, Mark Friesen, M. A. Eriksson
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:npj Quantum Information
Online Access:https://doi.org/10.1038/s41534-025-00962-w
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