Controlling the Purcell effect and the Lamb shift with nanoantenna-emitter hybrids

Javier Aizpurua; Mario Zapata; Ruben Esteban

doi:10.1117/12.3027801

3 October 2024 Controlling the Purcell effect and the Lamb shift with nanoantenna-emitter hybrids

Javier Aizpurua, Mario Zapata, Ruben Esteban

Author Affiliations +

Proceedings Volume PC13111, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XXII; PC1311107 (2024) https://doi.org/10.1117/12.3027801
Event: Nanoscience + Engineering, 2024, San Diego, California, United States

Abstract

Light emission from single emitters, such as organic molecules, quantum dots, or nitrogen vacancies in nanocrystals strongly depends on the electromagnetic environment surrounding the emitter. The interaction of the emitter with strong local electromagnetic fields gives rise to an acceleration of the total decay rate (Purcell effect) which usually results in a broader emission line of the emitter, as well as an energy shift of the emission (Lamb shift). Plasmonic nanoantennas are versatile building blocks which localize light below the diffraction limit thanks to the extremely small effective mode volumes of localized surface plasmons, triggering out the possibility to tailor and exploit both the Purcell factor and the Lamb shift of nearby emitters, even reaching the strong coupling regime with polariton splitting in light emission. We theoretically describe light emission from a variety of nanoantenna-emitter configurations and reveal the potential of plasmonic nanogaps to tailor and engineering the Purcell factor and Lamb shift of light emitted from single nearby emitters, in agreement with experimental evidence.

Conference Presentation

Citation Download Citation

Javier Aizpurua, Mario Zapata, and Ruben Esteban "Controlling the Purcell effect and the Lamb shift with nanoantenna-emitter hybrids", Proc. SPIE PC13111, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XXII, PC1311107 (3 October 2024); https://doi.org/10.1117/12.3027801

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