Acoustic phonons in nanowires probed by ultrafast pump-probe spectroscopy

Pierre Adrien Mante, Laurent Belliard, Bernard Perrin

Research output: Journal article publicationReview articleAcademic researchpeer-review

17 Citations (Scopus)


The fascinating relationship between structure and property in nanowires has enabled a wealth of applications in photonics and electronics. The behavior of phonons in nanowires is also modified compared to their bulk counterparts. In this review, we provide an overview of the recent efforts to investigate the properties of acoustic phonons in nanowires using ultrafast optical methods. In particular, we focus on the calculation of the modified phonon dispersion in nanowires and how to address them optically. We then discuss experimental investigations in arrays of nanowires and a single nanowire. The analysis of phonon behavior reveals the possibility to perform advanced mechanical characterization and to vary the thermal properties of nanowires. The review concludes with a brief perspective on future research directions, from phonon-induced control over properties to three-dimensional (3D) acoustic nano-imaging.

Original languageEnglish
Pages (from-to)1759-1780
Number of pages22
Issue number11
Publication statusPublished - 1 Nov 2018


  • acoustic phonons
  • femtosecond pump-probe spectroscopy
  • mechanical properties
  • nanowires

ASJC Scopus subject areas

  • Biotechnology
  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering


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