Transition to strong coupling regime for a quantum emitter coupled to a plasmonic resonator

J. Moore; K. Williams; Q. Dai; T. V. Shahbazyan

doi:10.1117/12.2594244

1 August 2021 Transition to strong coupling regime for a quantum emitter coupled to a plasmonic resonator

J. Moore, K. Williams, Q. Dai, T. V. Shahbazyan

Proceedings Volume 11795, Metamaterials, Metadevices, and Metasystems 2021; 117950Q (2021) https://doi.org/10.1117/12.2594244
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States

Abstract

We present a microscopic model describing the transition to strong coupling regime for an emitter resonantly coupled to a surface plasmon in a metal-dielectric structure. We demonstrate that the shape of scattering spectra is determined by an interplay of two distinct mechanisms. First is the near-field coupling between the emitter and the plasmon mode which underpins energy exchange between the system components and gives rise to exciton-induced transparency minimum in scattering spectra prior the transition to strong coupling regime. The second mechanism is Fano interference between the plasmon dipole and the plasmon-induced emitter’s dipole as the system interacts with the radiation field. We show that the Fano interference can strongly affect the overall shape of scattering spectra, leading to the inversion of spectral asymmetry that was recently reported in the experiment.

Citation Download Citation

J. Moore, K. Williams, Q. Dai, and T. V. Shahbazyan "Transition to strong coupling regime for a quantum emitter coupled to a plasmonic resonator", Proc. SPIE 11795, Metamaterials, Metadevices, and Metasystems 2021, 117950Q (1 August 2021); https://doi.org/10.1117/12.2594244

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