ArticleNature photonics2026
All-optical polarization control in time-varying low-index films via plasma symmetry breaking.
Article in Nature photonics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Nonlinear Carrier Dynamics and Optical Response of Lanthanum-Doped Barium Stannate.Nanomaterials (Basel, Switzerland) · 2026Article
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9 authors.
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Abstract
Controlling the polarization state of light with sub-picosecond speed and sub-wavelength precision remains a key challenge for next-generation nanophotonic devices. Conventional methods, such as birefringent crystals, liquid crystals or electro-optic Pockels cells are limited in speed, compactness and energy consumption. While structured materials and two-dimensional heterostructures show some promise for on-chip ultrafast performance, all-optical control at the nanoscale remains an open issue. Here we introduce an all-optical scheme that uses femtosecond pumping of low-index, sub-wavelength isotropic films to achieve ultrafast control over birefringence, dichroism and optical activity within a single-material platform. When the material is probed at its crossover wavelength, linearly polarized pumping induces a transient phase retardation between opportune orthogonal components as large as 0.1π μm
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