Bulletin of the American Physical Society
APS March Meeting 2022
Volume 67, Number 3
Monday–Friday, March 14–18, 2022; Chicago
Session F41: Superconducting Qubit Readout and Sensing
8:00 AM–10:48 AM,
Tuesday, March 15, 2022
Room: McCormick Place W-196C
Sponsoring
Units:
DQI DCMP
Chair: Florent Lecocq, National Institute of Standards and Technology, Boulder
Abstract: F41.00011 : Capacitive Coupling of Coherent Quantum Phase Slip Qubits to a Resonator*
10:24 AM–10:36 AM
Presenter:
Teresa Hoenigl-Decrinis
(University of Innsbruck)
Author:
Teresa Hoenigl-Decrinis
(University of Innsbruck)
In the first and most experimental realisations so far, the CQPS element was formed by narrowing the inductive loop wire, and the qubit was coupled inductively to the transmission line [2]. Here, we demonstrate capacitive coupling of CQPS qubits to a resonator. Since the qubit is galvanically decoupled from the resonator, our approach provides flexibility in material choice, design and fabrication. In addition to exploring the charge-phase duality, our motivation is to enable hybrid structures where the resonator is fabricated out of a different material to the phase slip junction.
[1] J.E. Mooij and Y.V. Nazarov, Nature Physics 2, 169-172 (2006)
[2} O.V. Astafiev, L.B. Iodde, S. Kafanov, Y. A. Pashkin, K. Y. Arutyunov, D. Shahar, O. Cohen, and J. S. Tsai, Nature 484, 355-358 (2012)
*This project was supported by European Union's Horizon 2020 Researchand Innovation Programme under Grant Agreement No.862660/QUANTUM E-LEAPS
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