ArticleNature nanotechnology2021
Tuning of the Berry curvature in 2D perovskite polaritons.
Article in Nature nanotechnology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed.
- Observation of a supersolid phase in a spin-orbit coupled exciton-polariton Bose-Einstein condensate.Science advances · 2026Article
- Decoding Trap States in Working 2D Perovskite Multi-Functional Devices.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Room-temperature polariton condensate in a quasi-2D hybrid perovskite.Nature communications · 2026Article
- Microfluidic-Assisted Growth of Perovskite Microwires for Room-Temperature All-Optical Switching Based on Total Internal Reflection.Nano letters · 2025Article
- Unveiling asymmetric topological photonic states in anisotropic 2D perovskite microcavities.Light, science & applications · 2025Article
- Article
- Two-dimensional organic-inorganic hybrid perovskite quantum-well nanowires enabled by directional noncovalent intermolecular interactions.Nature communications · 2025Article
- Observation of Berry curvature in non-Hermitian system from far-field radiation.Nature communications · 2025Article
- Room-temperature continuous-wave pumped exciton polariton condensation in a perovskite microcavity.Science advances · 2025Article
- Is There an Optimal Spacer Cation for Two-Dimensional Lead Iodide Perovskites?ACS materials Au · 2025Review
- Origin of Exciton-Polariton Interactions and Decoupled Dark States Dynamics in 2D Hybrid Perovskite Quantum Wells.Nano letters · 2024Article
- Berry curvature signatures in chiroptical excitonic transitions.Science advances · 2024Article
- Non-Hermitian polariton-photon coupling in a perovskite open microcavity.Nanophotonics (Berlin, Germany) · 2024Article
- Electrical polarization switching of perovskite polariton laser.Nanophotonics (Berlin, Germany) · 2024Article
- Molecular and solid-state topological polaritons induced by population imbalance.Nanophotonics (Berlin, Germany) · 2023Article
- Elimination of Chirality in Three-Dimensionally Confined Open-Access Microcavities.Nanomaterials (Basel, Switzerland) · 2023Article
- Exciton polariton interactions in Van der Waals superlattices at room temperature.Nature communications · 2023Article
- Room-temperature polariton quantum fluids in halide perovskites.Nature communications · 2022Article
- Electrically tunable Berry curvature and strong light-matter coupling in liquid crystal microcavities with 2D perovskite.Science advances · 2022Article
- Helical Polariton Lasing from Topological Valleys in an Organic Crystalline Microcavity.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2022Article
Corrections and comments
- Erratum issued
Authors and funding
21 authors.
Funding
Abstract
The engineering of the energy dispersion of polaritons in microcavities through nanofabrication or through the exploitation of intrinsic material and cavity anisotropies has demonstrated many intriguing effects related to topology and emergent gauge fields such as the anomalous quantum Hall and Rashba effects. Here we show how we can obtain different Berry curvature distributions of polariton bands in a strongly coupled organic-inorganic two-dimensional perovskite single-crystal microcavity. The spatial anisotropy of the perovskite crystal combined with photonic spin-orbit coupling produce two Hamilton diabolical points in the dispersion. An external magnetic field breaks time-reversal symmetry owing to the exciton Zeeman splitting and lifts the degeneracy of the diabolical points. As a result, the bands possess non-zero integral Berry curvatures, which we directly measure by state tomography. In addition to the determination of the different Berry curvatures of the multimode microcavity dispersions, we can also modify the Berry curvature distribution, the so-called band geometry, within each band by tuning external parameters, such as temperature, magnetic field and sample thickness.
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