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cond-mat.mes-hall2025
Quantum-Limited Acoustoelectric Amplification in a Piezoelectric-2DEG Heterostructure
Eric Chatterjee, Daniel Soh, Matt Eichenfield
We provide a quantum mechanical description of phonon amplification in a heterostructure consisting of a two-dimensional electron gas (2DEG) stacked on top of a piezoelectric mater…
physics.app-ph2025
An Electrically Injected and Solid State Surface Acoustic Wave Phonon Laser
Alexander Wendt, Matthew J. Storey, Michael Miller +6
Surface acoustic waves (SAWs) enable a wide array of technologies including RF filters, chemical and biological sensors, acousto-optic devices, acoustic control of microfluidic flo…