Coherent generation and detection of acoustic phonons in topological nanocavities

  title={Coherent generation and detection of acoustic phonons in topological nanocavities},
  author={Guillermo Arregui and O. Ort'iz and Martin Esmann and Clivia M. Sotomayor‐Torres and Carmen Gomez-Carbonell and Olivia Mauguin and Bernard Perrin and Aristide Lema{\^i}tre and Pedro David Garc'ia and Norberto D. Lanzillotti-Kimura},
  journal={APL Photonics},
Inspired by concepts developed for fermionic systems in the framework of condensed matter physics, topology and topological states are recently being explored also in bosonic systems. Recently, some of these concepts have been successfully applied to acoustic phonons in nanoscale multilayered systems. The reported demonstration of confined topological phononic modes was based on Raman scattering spectroscopy [M. Esmann et al., Phys. Rev. B 97, 155422 (2018)], yet the resolution did not suffice… 

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