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DOI: 10.4121/fe176584-e015-4019-8e5d-a2c0f998932f

Franse, Jasper; Steele, Gary (2024): Data underlying the PhD thesis: Quantum Acoustics with high-overtone bulk resonators and superconducting qubits. Version 2. 4TU.ResearchData. dataset. https://doi.org/10.4121/fe176584-e015-4019-8e5d-a2c0f998932f.v2

x choose version: version 1 - 2023-11-06

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Categories

• Condensed Matter Physics
• Nanotechnology
• Quantum Physics
• Physical Sciences
• Technology

Keywords

cQAD cQED HBAR Highovertone bulk acoustic resonator (HBAR) Quantum acoustic qubit superconducting Transmon

Licence

CC0

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by Jasper Franse, Gary Steele

We measured a transmon qubit coupled to an High-overtone Bulk Acoustic Resonator (HBAR) which was fabricated in the cleanroom of Kavli Nanolab Delft.

The fabricated chip was cooled down to ~20 mK in a commercially bought cryofree dilution refrigerator (Oxford Instruments Triton 200). All measurements (single and two tone spectroscopy) were performed on a Vector Network Analyzer (VNA, Keysight PNA N5222A, 10MHz-26.5 GHz) which was connected to the sample using microwave RF cables. Using additional signal generators (Rohde & Schwarz, SMB 100A, 100 kHz - 12.75 GHz) we were able to produce more needed continuous wave tone to AC-Stark shift the qubit. A pulse generator (Rigol DG1022) in combination with a microwave switch (Taylor MW switch SBS-A01TS), both connected to the VNA were used to performed gated two tone spectroscopy for time domain measurement.

History

• 2023-11-06 first online

• 2024-01-25 published, posted

Publisher

4TU.ResearchData

Format

data/.dat; data/.npy; code/.ipynb

Associated peer-reviewed publication

Quantum Acoustics with high-overtone bulk resonators and superconducting qubits: High-Q planar devices, phonon lasers, and quantum ghosts

Funding

• QUAKE Project (grant code 680.92.18.04) Natuurkunde Vrije Programma’s of the Dutch Research Council (NWO)

Organizations

Kavli Institute of Nanoscience, Department of Quantum Nanoscience, Delft University of Technology