Fluorescence enhancement and strong-coupling in faceted plasmonic nanocavities
Emission properties of a quantum emitter can be significantly modified inside nanometre-sized gaps between two plasmonic nanostructures. This forms a nanoscopic optical cavity which allows single-molecule detection and single-molecule strong-coupling at room temperature. However, plasmonic resonance...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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EDP Sciences
2018-01-01
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| Series: | EPJ Applied Metamaterials |
| Subjects: | |
| Online Access: | https://doi.org/10.1051/epjam/2018004 |
| _version_ | 1818931684726276096 |
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| author | Kongsuwan Nuttawut Demetriadou Angela Chikkaraddy Rohit Baumberg Jeremy J. Hess Ortwin |
| author_facet | Kongsuwan Nuttawut Demetriadou Angela Chikkaraddy Rohit Baumberg Jeremy J. Hess Ortwin |
| author_sort | Kongsuwan Nuttawut |
| collection | DOAJ |
| description | Emission properties of a quantum emitter can be significantly modified inside nanometre-sized gaps between two plasmonic nanostructures. This forms a nanoscopic optical cavity which allows single-molecule detection and single-molecule strong-coupling at room temperature. However, plasmonic resonances of a plasmonic nanocavity are highly sensitive to the exact gap morphology. In this article, we shed light on the effect of gap morphology on the plasmonic resonances of a faceted nanoparticle-on-mirror (NPoM) nanocavity and their interaction with quantum emitters. We find that with increasing facet width the NPoM nanocavity provides weaker field enhancement and thus less coupling strength to a single quantum emitter since the effective mode volume increases with the facet width. However, if multiple emitters are present, a faceted NPoM nanocavity is capable of accommodating a larger number of emitters, and hence the overall coupling strength is larger due to the collective and coherent energy exchange from all the emitters. Our findings pave the way to more efficient designs of nanocavities for room-temperature light-matter strong-coupling, thus providing a big step forward to a non-cryogenic platform for quantum technologies. |
| first_indexed | 2024-12-20T04:20:31Z |
| format | Article |
| id | doaj.art-729cff21c8fd4ca0bc84f1a0476bc66a |
| institution | Directory Open Access Journal |
| issn | 2272-2394 |
| language | English |
| last_indexed | 2024-12-20T04:20:31Z |
| publishDate | 2018-01-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | EPJ Applied Metamaterials |
| spelling | doaj.art-729cff21c8fd4ca0bc84f1a0476bc66a2022-12-21T19:53:39ZengEDP SciencesEPJ Applied Metamaterials2272-23942018-01-015610.1051/epjam/2018004epjam170014Fluorescence enhancement and strong-coupling in faceted plasmonic nanocavitiesKongsuwan NuttawutDemetriadou AngelaChikkaraddy RohitBaumberg Jeremy J.Hess OrtwinEmission properties of a quantum emitter can be significantly modified inside nanometre-sized gaps between two plasmonic nanostructures. This forms a nanoscopic optical cavity which allows single-molecule detection and single-molecule strong-coupling at room temperature. However, plasmonic resonances of a plasmonic nanocavity are highly sensitive to the exact gap morphology. In this article, we shed light on the effect of gap morphology on the plasmonic resonances of a faceted nanoparticle-on-mirror (NPoM) nanocavity and their interaction with quantum emitters. We find that with increasing facet width the NPoM nanocavity provides weaker field enhancement and thus less coupling strength to a single quantum emitter since the effective mode volume increases with the facet width. However, if multiple emitters are present, a faceted NPoM nanocavity is capable of accommodating a larger number of emitters, and hence the overall coupling strength is larger due to the collective and coherent energy exchange from all the emitters. Our findings pave the way to more efficient designs of nanocavities for room-temperature light-matter strong-coupling, thus providing a big step forward to a non-cryogenic platform for quantum technologies.https://doi.org/10.1051/epjam/2018004NanoplasmonicsNanophotonicsLight-matter Strong-couplingFluorescence EnhancementQuenching |
| spellingShingle | Kongsuwan Nuttawut Demetriadou Angela Chikkaraddy Rohit Baumberg Jeremy J. Hess Ortwin Fluorescence enhancement and strong-coupling in faceted plasmonic nanocavities EPJ Applied Metamaterials Nanoplasmonics Nanophotonics Light-matter Strong-coupling Fluorescence Enhancement Quenching |
| title | Fluorescence enhancement and strong-coupling in faceted plasmonic nanocavities |
| title_full | Fluorescence enhancement and strong-coupling in faceted plasmonic nanocavities |
| title_fullStr | Fluorescence enhancement and strong-coupling in faceted plasmonic nanocavities |
| title_full_unstemmed | Fluorescence enhancement and strong-coupling in faceted plasmonic nanocavities |
| title_short | Fluorescence enhancement and strong-coupling in faceted plasmonic nanocavities |
| title_sort | fluorescence enhancement and strong coupling in faceted plasmonic nanocavities |
| topic | Nanoplasmonics Nanophotonics Light-matter Strong-coupling Fluorescence Enhancement Quenching |
| url | https://doi.org/10.1051/epjam/2018004 |
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