Vortex radiation from a single emitter in a chiral plasmonic nanocavity
Abstract: Manipulating single emitter radiation is essential for quantum information science. Significant progress has been made in enhancing the radiation efficiency and directivity by coupling quantum emitters with microcavities and plasmonic antennas. However, there has been a great challenge to generate complex radiation patterns such as vortex beam from a single emitter. Here, we report a chiral plasmonic nanocavity, which provides a strong local chiral vacuum field at an exceptional point. We show that a single linear dipole emitter embedded in the nanocavity will radiate to vortex beam via anomalous spontaneous emission with a Purcell enhancement factor up to ∼1000. Our scheme provides a new field manipulation method for chiral quantum optics and vortex lasers at the nanoscale.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Vortex radiation from a single emitter in a chiral plasmonic nanocavity ; volume:11 ; number:9 ; year:2022 ; pages:1905-1911 ; extent:07
Nanophotonics ; 11, Heft 9 (2022), 1905-1911 (gesamt 07)
- Creator
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Wang, Xing-Yuan
Chen, Hua-Zhou
Wang, Suo
Ge, Li
Zhang, Shuang
Ma, Ren-Min
- DOI
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10.1515/nanoph-2021-0743
- URN
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urn:nbn:de:101:1-2022120813325039079469
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:33 AM CEST
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Associated
- Wang, Xing-Yuan
- Chen, Hua-Zhou
- Wang, Suo
- Ge, Li
- Zhang, Shuang
- Ma, Ren-Min
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