Super-resolution Imaging of Plasmonic Near-Fields: Overcoming Emitter Mislocalizations.

ABSTRACT: Plasmonic nano-objects have shown great potential in enhancing applications like biological/chemical sensing, light harvesting and energy transfer, and optical/quantum computing. Therefore, an extensive effort has been vested in optimizing plasmonic systems and exploiting their field enhancement properties. Super-resolution imaging with quantum dots (QDs) is a promising method to probe plasmonic near-fields but is hindered by the distortion of the QD radiation pattern. Here, we investigate the interaction between QDs and "L-shaped" gold nanoantennas and demonstrate both theoretically and experimentally that this strong interaction can induce polarization-dependent modifications to the apparent QD emission intensity, polarization, and localization. Based on FDTD simulations and polarization

SUBMITTER: Miao Y 

PROVIDER: S-EPMC9150090 | biostudies-literature | 2022 May

REPOSITORIES: biostudies-literature