Localized Nanoresonator Mode in Plasmonic Microcavities
Submicron-thick hexagonal boron nitride crystals embedded in noble metals form planar Fabry-Perot half-microcavities. Depositing Au nanoparticles on top of these microcavities forms previously unidentified angle- and polarization-sensitive nanoresonator modes that are tightly laterally confined by t...
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| Veröffentlicht in: | Physical review letters 2020-03, Vol.124 (9), p.093901-093901, Article 093901 |
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| container_title | Physical review letters |
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| creator | Casalis de Pury, A Zheng, X Ojambati, O S Trifonov, A Grosse, C Kleemann, M-E Babenko, V Purdie, D Taniguchi, T Watanabe, K Lombardo, A Vandenbosch, G A E Hofmann, S Baumberg, J J |
| description | Submicron-thick hexagonal boron nitride crystals embedded in noble metals form planar Fabry-Perot half-microcavities. Depositing Au nanoparticles on top of these microcavities forms previously unidentified angle- and polarization-sensitive nanoresonator modes that are tightly laterally confined by the nanoparticle. Comparing dark-field scattering with reflection spectroscopies shows plasmonic and Fabry-Perot-like enhancements magnify subtle interference contributions, which lead to unexpected redshifts in the dark-field spectra, explained by the presence of these new modes. |
| doi_str_mv | 10.1103/PhysRevLett.124.093901 |
| format | Article |
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Depositing Au nanoparticles on top of these microcavities forms previously unidentified angle- and polarization-sensitive nanoresonator modes that are tightly laterally confined by the nanoparticle. 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| ispartof | Physical review letters, 2020-03, Vol.124 (9), p.093901-093901, Article 093901 |
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| source | American Physical Society Journals; EZB Electronic Journals Library |
| subjects | Boron nitride Gold Microcavities Nanoparticles Noble metals |
| title | Localized Nanoresonator Mode in Plasmonic Microcavities |
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