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Partial cloaking of a gold particle by a single molecule

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Zirkelbach,  Johannes
Sandoghdar Division, Max Planck Institute for the Science of Light, Max Planck Society;

Gmeiner,  Benjamin
Sandoghdar Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Renger,  Jan
Sandoghdar Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Türschmann,  Pierre
Sandoghdar Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Utikal,  Tobias
Sandoghdar Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Götzinger,  Stephan
Sandoghdar Division, Max Planck Institute for the Science of Light, Max Planck Society;
Friedrich Alexander University Erlangen-Nuremberg, D-91058 Erlangen, Germany;
Graduate School in Advanced Optical Technologies (SAOT), Friedrich Alexander University Erlangen-Nuremberg, D-91052 Erlangen, Germany;

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Sandoghdar,  Vahid
Sandoghdar Division, Max Planck Institute for the Science of Light, Max Planck Society;
Friedrich Alexander University Erlangen-Nuremberg, D-91058 Erlangen, Germany;
Max-Planck-Zentrum für Physik und Medizin, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Zirkelbach, J., Gmeiner, B., Renger, J., Türschmann, P., Utikal, T., Götzinger, S., et al. (2020). Partial cloaking of a gold particle by a single molecule. Physical Review Letters, Editors' Suggestion, 125: 103603. doi:10.1103/PhysRevLett.125.103603.


Cite as: http://hdl.handle.net/21.11116/0000-0006-437D-3
Abstract
Extinction of light by material particles stems from losses incurred by absorption or scattering. The extinction cross section is usually treated as an additive quantity, leading to the exponential laws that govern the macroscopic attenuation of light. In this work, we demonstrate that the extinction cross section of a large gold nanoparticle can be substantially reduced, i.e., the particle becomes more transparent, if a single molecule is placed in its near field. This partial cloaking eect results from a coherent plasmonic interaction between the molecule and the nanoparticle, whereby each of them acts as a nano-antenna to modify the radiative properties of the other.