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Updated: Sep 13, 2025
07:39
Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
Published on: July 21, 2018
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Quantum surface effects on quantum emitters coupled to surface plasmon polariton
Optics Express
|July 30, 2025
Summary
Quantum surface effects (QSEs) in metals surprisingly enable dissipationless entanglement between quantum emitters coupled to surface plasmon polaritons (SPPs). This overcomes SPP-induced losses, paving the way for quantum networks.
Area of Science:
- Quantum optics and nanophotonics
- Condensed matter physics
- Quantum information science
Background:
- Surface plasmon polaritons (SPPs) are crucial for light-matter interactions in quantum technologies.
- Quantum surface effects (QSEs) like nonlocal response and Landau damping introduce losses, limiting SPP applications.
- Classical electromagnetic theory fails to fully describe these nanoscale phenomena.
Purpose of the Study:
- To investigate quantum emitter dynamics coupled to SPPs beyond the classical local response approximation.
- To explore the role of QSEs in modifying light-matter interactions at the nanoscale.
- To identify mechanisms for overcoming dissipation in quantum emitter-SPP systems.
Main Methods:
- Utilized the Feibelman d-parameter method to model QSE-modified non-Markovian dynamics.
- Studied quantum emitters coupled to SPPs in a planar metal-dielectric nanostructure.
- Analyzed the formation of quantum emitter-SPP bound states.
Main Results:
- Discovered a mechanism to overcome quantum emitter dissipation caused by lossy SPPs with QSEs.
- Demonstrated that formation of QE-SPP bound states leads to dissipationless entanglement among distant quantum emitters.
- Showed that QSEs constructively contribute to establishing coherent correlations, unlike local-response approximations.
Conclusions:
- Quantum surface effects play a crucial role in enabling robust quantum correlations in nanophotonic systems.
- Dissipationless entanglement is achievable in QSE-modified SPP systems, overcoming inherent losses.
- This research provides a foundation for understanding light-matter interactions in absorptive media and developing quantum networks.
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