Nonreciprocal and Topological Plasmonics
| Autor: | Francesco Monticone, Kunal Shastri, Mohamed Ismail Abdelrahman |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
topological physics
Lorentz transformation Nanophotonics Physics::Optics 02 engineering and technology Topology 01 natural sciences plasmonics nonreciprocity symbols.namesake 0103 physical sciences Faraday effect Applied optics. Photonics Radiology Nuclear Medicine and imaging 010306 general physics Instrumentation Plasmon Topology (chemistry) Physics business.industry Metamaterial 021001 nanoscience & nanotechnology surface waves Atomic and Molecular Physics and Optics TA1501-1820 Reciprocity (electromagnetism) symbols nanophotonics Photonics 0210 nano-technology business |
| Zdroj: | Photonics, Vol 8, Iss 133, p 133 (2021) |
| ISSN: | 2304-6732 |
| DOI: | 10.3390/photonics8040133 |
| Popis: | Metals, semiconductors, metamaterials, and various two-dimensional materials with plasmonic dispersion exhibit numerous exotic physical effects in the presence of an external bias, for example an external static magnetic field or electric current. These physical phenomena range from Faraday rotation of light propagating in the bulk to strong confinement and directionality of guided modes on the surface and are a consequence of the breaking of Lorentz reciprocity in these systems. The recent introduction of relevant concepts of topological physics, translated from condensed-matter systems to photonics, has not only given a new perspective on some of these topics by relating certain bulk properties of plasmonic media to the surface phenomena, but has also led to the discovery of new regimes of truly unidirectional, backscattering-immune, surface-wave propagation. In this article, we briefly review the concepts of nonreciprocity and topology and describe their manifestation in plasmonic materials. Furthermore, we use these concepts to classify and discuss the different classes of guided surface modes existing on the interfaces of various plasmonic systems. |
| Databáze: | OpenAIRE |
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