ArticleNature communications2021
Hyperbolic optics and superlensing in room-temperature KTN from self-induced k-space topological transitions.
Article in Nature communications, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- First-Principles Study on the Photocatalytic Performance of K(TaNanomaterials (Basel, Switzerland) · 2025Article
- Topological hyperbolic metamaterials.Nanophotonics (Berlin, Germany) · 2024Review
- Femtosecond Laser Induced Lattice Deformation in KTN Crystal.Micromachines · 2022Article
- Indefinite Graphene Nanocavities with Ultra-Compressed Mode Volumes.Nanomaterials (Basel, Switzerland) · 2022Article
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Authors and funding
9 authors.
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Abstract
A hyperbolic medium will transfer super-resolved optical waveforms with no distortion, support negative refraction, superlensing, and harbor nontrivial topological photonic phases. Evidence of hyperbolic effects is found in periodic and resonant systems for weakly diffracting beams, in metasurfaces, and even naturally in layered systems. At present, an actual hyperbolic propagation requires the use of metamaterials, a solution that is accompanied by constraints on wavelength, geometry, and considerable losses. We show how nonlinearity can transform a bulk KTN perovskite into a broadband 3D hyperbolic substance for visible light, manifesting negative refraction and superlensing at room-temperature. The phenomenon is a consequence of giant electro-optic response to the electric field generated by the thermal diffusion of photogenerated charges. Results open new scenarios in the exploration of enhanced light-matter interaction and in the design of broadband photonic devices.
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