ArticleNature materials2025
Polariton probing of attometre displacement and nanoscale strain in ultrashort acoustic pulses.
Article in Nature materials, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Integrated unidirectional traveling-wave phonon waveguide parametric amplifier.Nature communications · 2026Article
- The 2026 guided acoustic waves roadmap.Journal of physics D: Applied physics · 2026Review
- Ultrafast Dynamics of Organic Exciton-Polaritons.Nanophotonics (Berlin, Germany) · 2026Article
- Polariton probing of attometre displacement and nanoscale strain in ultrashort acoustic pulses.Nature materials · 2025Article
- Listening to the silence of quantum processes.Nature materials · 2025Article
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Atomic displacement and lattice strain are inextricably linked to most ultrafast processes in solids, such as optically induced phase transitions or demagnetization. Visualizing lattice dynamics, which is typically done using time-resolved X-ray and electron diffraction techniques, yields information about the physical processes involved. However, the detection of atomic motion of an amplitude much less than a picometre has remained challenging. For this purpose, we suggest exploiting the acoustic pulse generated by a spatially localized ultrafast process in the surrounding volume. Its optical detection in a material possessing a narrow polariton resonance provides superior sensitivity. In the validating experiment, we detect the acoustic pulse generated by a 100 attometre thermal expansion of a 100 nanometre metallic film heated with a temperature increase of 0.2 kelvin by a femtosecond optical pulse. Even though the generated acoustic pulse carries dynamical strain with a magnitude of only 10
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Registered trials
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