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: K53.00009 : Coupling GaAs quantum devices to surface acoustic wave phonons*
4:36 PM–4:48 PM
Presenter:
Aldo Tarascio
(University of Basel)
Authors:
Aldo Tarascio
(University of Basel)
Taras Patlatiuk
(University of Basel)
Pasquale Scarlino
(EPFL)
Dominik M Zumbuhl
(University of Basel)
GaAs heterostructures offer high mobility 2D electron gases (2DEGs) for quantum dot and quantum Hall experiments. In addition, GaAs is a piezoelectric material, allowing fabrication of SAW resonators using lithography techniques. We present SAW resonators in the GHz frequency range integrated with a 2DEG and study the interactions between SAWs and other structures such as quantum dots and Hall bars, working towards charge- and/or spin-phonon coupling.
In the future, this could be implemented on other non-piezoelectric substrates such as Si using thin piezoelectric films for highly scalable qubit networks.
*Supported by SNSF
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