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Journal Article

Ensemble-induced strong light-matter coupling of a single quantum emitter

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Sandoghdar,  Vahid
Sandoghdar Division, Max Planck Institute for the Science of Light, Max Planck Society;
Sandoghdar Division, Max-Planck-Zentrum für Physik und Medizin, Max Planck Institute for the Science of Light, Max Planck Society;

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Genes,  Claudiu
Genes Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Schütz, S., Schachenmayer, J., Hagenmüller, D., Brennen, G. K., Volz, T., Sandoghdar, V., et al. (2020). Ensemble-induced strong light-matter coupling of a single quantum emitter. Physical Review Letters, 124: 113602. doi:10.1103/PhysRevLett.124.113602.


Cite as: https://hdl.handle.net/21.11116/0000-0003-9DC0-3
Abstract
We discuss a technique to strongly couple a single target quantum emitter to a cavity mode, which is enabled by virtual excitations of a nearby mesoscopic ensemble of emitters. A collective coupling of the latter to both the cavity and the target emitter induces strong photon nonlinearities in addition to polariton formation, in contrast to common schemes for ensemble strong coupling. We demonstrate that strong coupling at the level of a single emitter can be engineered via coherent and dissipative dipolar interactions with the ensemble, and provide realistic parameters for a possible implementation with
SiV− defects in diamond. Our scheme can find applications, amongst others, in quantum information processing or in the field of cavity-assisted quantum chemistry.