3 papers
cond-mat.mes-hall2026
GaAs/AlAs Acoustic Nanocavities for Coherent GHz-THz Phonon Engineering
S. Sandeep, E. R. Cardozo de Oliveira, E. Mehdi +1
The controlled confinement of high-frequency acoustic phonons in semiconductor nanostructures has emerged as a key ingredient for functional nanophononic and hybrid quantum technol…
cond-mat.mes-hall2026
Open Nanoacoustic Resonators Based on SrTiO/YBaCuO Superlattices
S. Sandeep, O. Colmegna, S. Carreira +4
We report the design and experimental demonstration of an open nanophononic cavity based on a hybrid oxide superlattice composed of SrTiO (STO) and YBaCuO (YBCO…
cond-mat.mes-hall2024
Interference of ultrahigh frequency acoustic phonons from distant quasi-continuous sources
C. Xiang, E. R. Cardozo de Oliveira, S. Sandeep +9
The generation of propagating acoustic waves is essential for telecommunication applications, quantum technologies, and sensing. Up to now, the electrical generation has been at th…