ArticleLight, science & applications2024
Giant ultrafast dichroism and birefringence with active nonlocal metasurfaces.
Article in Light, science & applications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- All-optical polarization control in time-varying low-index films via plasma symmetry breaking.Nature photonics · 2026Article
- Article
- Ultrafast switching of a metasurface quasi-bound state in the continuum via transient optical symmetry breaking.Light, science & applications · 2025Article
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Authors and funding
14 authors.
Funding
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Abstract
Switching of light polarization on the sub-picosecond timescale is a crucial functionality for applications in a variety of contexts, including telecommunications, biology and chemistry. The ability to control polarization at ultrafast speed would pave the way for the development of unprecedented free-space optical links and of novel techniques for probing dynamical processes in complex systems, as chiral molecules. Such high switching speeds can only be reached with an all-optical paradigm, i.e., engineering active platforms capable of controlling light polarization via ultrashort laser pulses. Here we demonstrate giant modulation of dichroism and birefringence in an all-dielectric metasurface, achieved at low fluences of the optical control beam. This performance, which leverages the many degrees of freedom offered by all-dielectric active metasurfaces, is obtained by combining a high-quality factor nonlocal resonance with the giant third-order optical nonlinearity dictated by photogenerated hot carriers at the semiconductor band edge.
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Registered trials
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