Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session K53: Novel Qubit-Qubit Coupling Approaches
3:00 PM–5:24 PM,
Tuesday, March 5, 2024
Room: 202AB
Sponsoring
Units:
DQI DCMP
Chair: Andrew Cleland, University of Chicago
Abstract: K53.00005 : A squeezed nonlinear mechanical oscillator (Part I)*
3:48 PM–4:00 PM
Presenter:
Uwe von Lüpke
(ETH Zurich)
Authors:
Uwe von Lüpke
(ETH Zurich)
Stefano Marti
(ETH Zurich)
Yu Yang
(ETH Zurich)
Om Joshi
(The University of Texas at Austin)
Andraz Omahen
(ETH Zurich)
Marius Bild
(ETH Zurich)
Yiwen Chu
(ETH Zurich)
Matteo Fadel
(ETH Zurich)
One particularly useful single-mode operation is squeezing, which can be used to generate mechanical states for quantum sensing, simulations, and information processing [2]. In a two-part presentation, we demonstrate the engineered squeezing of a bulk acoustic wave mechanical mode. This first talk focuses on how we implement an effective two-phonon drive in our device, resulting in a squeezing interaction. We then study the dependence of the interaction strength on different system parameters and use our insights to create a squeezed state of mechanical motion.
[1] von Lüpke, U. et al. (2023) arXiv preprint arXiv:2303.00730
[2] Wang, C. S. et al. (2020) Physical Review X, 10(2), 021060
*Swiss National Science Foundation, grant 200023_204073; The Branco Weiss Fellowship - Society in Science
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