Nanophotonics and quantum optics – Emitter-nanoantenna interactions


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  • Permanent member: Maria Sanz-Paz
  • PhD Student: Maud Virolle

Plasmonic nanoantennas are the most effective platform to control light-matter interactions, as they can affect nearby quantum emitters. By modifying the local density of states around them, optical antennas can enhance the spontaneous emission rate of fluorescent emitters, as well as modify their far-field scattering pattern. This has enabled the achievement of ultrabright and highly directional emitters. Optical antennas have also been proposed to modify the far-field polarization from fluorescent emitters, so that asymmetric intensities of left and right circularly polarized light can be obtained.
The objective of our research is to study new nanoantennas in order to modify several properties of fluorescent emitters at the nanoscale, with particular focus on the manipulation of their polarization to obtain nanosources of chiral light.