Cryogenic GaAs SAW resonators achieve Q factors up to 28,000 in the GHz range via systematic geometry and orientation tuning, with mesa steps added to study scattering and dissipation for quantum acoustics applications.
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High-Q cryogenic surface acoustic wave resonators in the GHz range
Cryogenic GaAs SAW resonators achieve Q factors up to 28,000 in the GHz range via systematic geometry and orientation tuning, with mesa steps added to study scattering and dissipation for quantum acoustics applications.