Temporal superoscillation of sub-terahertz coherent acoustic phonons
(2020)
Journal Article
Brehm, S., Akimov, A. .., Campion, R. P., & Kent, A. J. (2020). Temporal superoscillation of sub-terahertz coherent acoustic phonons. Physical Review Research, 2(2), Article 023009. https://doi.org/10.1103/PhysRevResearch.2.023009
We observe coherent acoustic phonon superoscillations at sub-terahertz frequencies. The superoscillations result from the interference of optically excited coherent longitudinal acoustic phonon modes in a GaAs/AlGaAs superlattice. The superoscillatio... Read More about Temporal superoscillation of sub-terahertz coherent acoustic phonons.