Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session Q55: Hybrid and Optomechanical AMO Systems
3:00 PM–6:00 PM,
Wednesday, March 6, 2024
Room: 204AB
Sponsoring
Unit:
DAMOP
Chair: Daniel Stack, Atom Computing, Inc.
Abstract: Q55.00007 : A Nanomechanical Qubit in a Carbon Nanotube*
4:12 PM–4:24 PM
Presenter:
Christoffer B Moller
(ICFO-The Institute of Photonic Sciences)
Authors:
Christoffer B Moller
(ICFO-The Institute of Photonic Sciences)
Roger Tormo Queralt
(The institute of Photonic Sciences (ICFO))
Victor Roman
(ICFO-The Institute of Photonic Sciences)
Chandan Samanta
(ICFO-The Institute of Photonic Sciences)
Sergio L De Bonis
(ICFO-The Institute of Photonic Sciences)
Fabio Pistolesi
(CNRS, LOMA, UMR)
David A Czaplewski
(Argonne National Laboratory)
Andrew N Cleland
(University of Chicago)
Adrian Bachtold
(ICFO-The Institute of Photonic Sciences)
The coherence may be enhanced by gating the nanotube using a multigate architecture [3] and coupling the mechanical vibrations to an embedded double quantum dot charge qubit. We present measurements of this charge qubit and the coupling of mechanical vibrations to it. The hybrid system is read-out using a dispersively coupled superconducting microwave cavity.
[1] F. Pistolesi, et al., PRX 11, 031027 (2021).
[2] C. Samanta, S. L. deBonis, C. B. Moller et al., Nature Physics (2023).
[3] R. Tormo-Queralt, C. B. Moller et al, Nano Letters (2022).
*We acknowledge support from ERC Advanced Grant No. 692876 and Feedback and SupportMICINN Grant No. RTI2018-097953-B-I00. Work performed at the Center for Nanoscale Materials, a U.S. Department of Energy Office of Science User Facility, was supported by the U.S. DOE, Office of Basic Energy Sciences, under Contract No. DE-AC02-06CH11357. We also acknowledge the European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska Curie grant agreement nos. 847517 and 101023289, AGAUR (Grant No. 2017SGR1664), the Quantera grant (PCI2022-132951), the Fondo Europeo de Desarrollo, the Spanish Ministry of Economy and Competitiveness through CEX2019-000910-S [MCIN/AEI/10.13039/501100011033], Recovery, Transformation and Resilience Plan-Funded by the European Union- NextGenerationEU (PRTR-C17.I1), Quantum CCAA, Fundacio Cellex, Fundacio MirPuig, Generalitat de Catalunya through CERCA.
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