Bulletin of the American Physical Society
2023 APS March Meeting
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session S70: Quantum Annealers and Quantum Analog Computing
8:00 AM–11:00 AM,
Thursday, March 9, 2023
Room: Room 409
Sponsoring
Unit:
DQI
Chair: Xinyuan You, Fermilab
Abstract: S70.00012 : Coherent flux qubits for quantum annealing (Experiment)*
10:12 AM–10:24 AM
Presenter:
Elia Bertoldo
(IFAE)
Authors:
Elia Bertoldo
(IFAE)
David López-Núñez
(Inst High Enrgy Phy (IFAE) UAB)
Fabian Zwiehoff
(Inst High Enrgy Phy (IFAE) UAB)
Luca Cozzolino
(IFAE)
Alba Torras Coloma
(Institute of High Energy Physics (IFAE))
Boris Nedyalkov
(Inst High Enrgy Phy (IFAE) UAB)
Paul G Baity
(Univ of Glasgow)
Martin P Weides
(University of Glasgow)
Manel Martinez
(IFAE)
Pol Forn-Díaz
(Inst High Enrgy Phy (IFAE) UAB)
In this work, we present the first characterization of several coherent flux qubit designs fabricated on a single silicon chip. Six flux qubits are each coupled to a different resonator, which is connected to a common feedline. We present spectroscopy and time domain measurements for each design. In the light of the results obtained we will motivate our flux qubit design of choice for the final AVaQuS prototype chip.
*Ministry of Economy and Competitiveness and Agencia Estatal de Investigaci´on (PCI2019-111838-2), and European Commission (FET-Open AVaQus GA 899561; QuantERA). IFAE is partially funded by the CERCA program of the Generalitat de Catalunya.
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