A mechanical qubit

Y Yang, I Kladarić, M Drimmer, U von Lüpke… - Science, 2024 - science.org
Although strong nonlinear interactions between quantized excitations are an important
resource for quantum technologies based on bosonic oscillator modes, most …

Thin-film quartz for high-coherence piezoelectric phononic crystal resonators

AL Emser, C Metzger, BC Rose, KW Lehnert - Physical Review Applied, 2024 - APS
Piezoelectric phononic crystal resonators (PCRs) are a promising platform for acoustic
quantum processing, yet their performance is currently limited by coupling to an ensemble of …

[HTML][HTML] High-coherence quantum acoustics with planar superconducting qubits

WJM Franse, CA Potts, V Bittencourt… - Applied Physics …, 2024 - pubs.aip.org
Quantum acoustics is an emerging platform for hybrid quantum technologies enabling
quantum coherent control of mechanical vibrations. High-overtone bulk acoustic resonators …

Chiral phonons and phononic birefringence in ferromagnetic metal–bulk acoustic resonator hybrids

M Müller, J Weber, F Engelhardt, VASV Bittencourt… - Physical Review B, 2024 - APS
Magnomechanical devices, in which magnetic excitations couple to mechanical vibrations,
have been discussed as efficient and broadband microwave signal transducers in the …

Observation of Interface Piezoelectricity in Superconducting Devices on Silicon

H Zhou, E Li, K Godeneli, ZH Zhang… - arxiv preprint arxiv …, 2024 - arxiv.org
The evolution of superconducting quantum processors is driven by the need to reduce errors
and scale for fault-tolerant computation. Reducing physical qubit error rates requires further …

Piezoelectric loss of superconducting microwave resonators integrated with thin-film lithium niobate

L Yang, Y Xu, C Li, J **e, M Shen, HX Tang - Physical Review Applied, 2023 - APS
Thin-film lithium niobate (LN) has become an enabling platform in the development of
quantum integrated circuits, for applications including microwave-to-optical converters and …

[PDF][PDF] Microfabrication of acoustic cavities

JCP Bus - 2023 - ethz.ch
Circuit quantum acoustodynamics (cQAD) utilises hybrid electromechanical systems to study
the quanta of mechanics, phonons, and their interaction with quanta of light, photons. In this …