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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.
Financial sources
- Tremplin CNRS Physique (2024)
- Tremplin Sorbonne Université (2024)
- BERNARDO from PEPR LUMA (2024-2027)
- Emergence Sorbonne Université (2025-2027)
Recent publications
- Maria Sanz-Paz, Nicole Siegel, Guillermo Serrera, Javier Gonzalez-Colsa, Fangjia Zhu, Karol Kolataj, Minoru Fujii, Hiroshi Sugimoto, Pablo Albella, Guillermo P Acuna. “Color Routing and Beam Steering of Single-Molecule Emission with a Spherical Silicon Nanoantenna.” Advanced Functional Materials, 2025, preprint.
- Chantal Hareau, Xingyu Yang, Maria Sanz-Paz, Matthew Sheldon, and Mathieu Mivelle. “Engineering Magnetization with Photons: Nanoscale Advances in the Inverse Faraday Effect for Metallic and Plasmonic Architectures.” ACS Photonics, 2025, 12, 12, 6535–6547. 10.1021/acsphotonics.5c01709
- Nicole Siegel, María Sanz-Paz, Javier González-Colsa, Guillermo Serrera, Fangjia Zhu, Alan M. Szalai, Karol Kołątaj, Minoru Fujii, Hiroshi Sugimoto, Pablo Albella, Guillermo P. Acuna. “Distance-Dependent Interaction between a Single Emitter and a Single Dielectric Nanoparticle Using DNA Origami.” Small Structures, 2025, 6, 2500299131. 10.1002/sstr.202500299
