Broadband enhancement of second-harmonic generation at the domain walls of magnetic topological insulators
We show that the second-harmonic generation (SHG) is enhanced in the chiral one-dimensional electron currents in a broad frequency range. The origin of the enhancement is twofold: first, the linear dispersion of the quasiparticles and the associated plasmonic mode as well as the quasi-linear dispers...
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| Principais autores: | , |
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| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
Wiley
2020-09-01
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| Serier: | Nanophotonics |
| Fag: | |
| Online adgang: | https://doi.org/10.1515/nanoph-2020-0287 |
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