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Published on: October 13, 2017
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Quantum Emitters in Two-Dimensional Structured Reservoirs in the Nonperturbative Regime.
A González-Tudela1, J I Cirac1
1Max-Planck-Institut für Quantenoptik Hans-Kopfermann-Strasse 1, 85748 Garching, Germany.
Physical Review Letters
|October 21, 2017
Summary
Quantum emitters coupled to a 2D reservoir exhibit unique dynamics beyond standard theories. This includes modified relaxation rates, directional emission, and suppressed spontaneous emission for multiple emitters.
Area of Science:
- Quantum Optics
- Condensed Matter Physics
- Theoretical Physics
Background:
- Standard perturbative treatments fail to capture exotic quantum dynamics.
- Coupling quantum emitters to reservoirs is crucial for understanding light-matter interactions.
Purpose of the Study:
- Investigate novel quantum dynamics arising from emitter-reservoir coupling.
- Explore phenomena not described by Fermi's golden rule.
- Analyze directional emission and its impact on spontaneous emission rates.
Main Methods:
- Theoretical modeling of quantum emitters coupled to a 2D reservoir.
- Analysis of system dynamics beyond perturbative approaches.
Main Results:
- Predicted exponential relaxation with non-Fermi's golden rule rates.
- Observed overdamped oscillations and slow relaxation decay.
- Demonstrated directional emission into the reservoir.
- Showcased modified emission rates and perfect subradiance for four emitters.
Conclusions:
- Emitter-reservoir coupling in 2D systems leads to unprecedented quantum phenomena.
- Directional emission significantly alters collective emitter behavior.
- Subradiance offers potential for controlling spontaneous emission.
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