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Hybrid Sub- and Superradiant States in Emitter Arrays with Quantized Motion
Beatriz Olmos1, Igor Lesanovsky1,2
1Universität Tübingen, Institut für Theoretische Physik and Center for Integrated Quantum Science and Technology, Auf der Morgenstelle 14, 72076 Tübingen, Germany.
Physical Review Letters
|July 31, 2025
Summary
Neutral atoms in arrays can control light emission through sub- and superradiance. Quantum vibrations affect these collective effects, creating hybrid states impacting photon emission rates.
Area of Science:
- Quantum optics and atomic physics.
- Exploration of collective phenomena in atomic ensembles.
Background:
- Ensembles of dipolar emitters exhibit collective effects like sub- and superradiance, altering photon emission rates.
- Trapped neutral atoms are a promising platform for applications leveraging collective atom-light interactions.
- Atomic vibrations (quantum and thermal) introduce complexities by entangling motion with internal states.
Purpose of the Study:
- To develop a theoretical framework for collective atom-light coupling considering quantized atomic motion within the Lamb-Dicke limit.
- To investigate the properties of hybrid electronic-vibrational states in sub- and superradiant phenomena.
- To analyze the impact of finite temperature on collective photon emission rates.
Main Methods:
- Development of a theoretical model for collective atom-light coupling under quantized motion.
- Analysis within the Lamb-Dicke limit to approximate the system's behavior.
- Analytical and numerical investigations of hybrid states and their properties.
- Examination of temperature-dependent effects on emission.
Main Results:
- Demonstration of sub- and superradiant states that are hybrids of electronic and vibrational excitations.
- Characterization of these hybrid states for analytically and numerically tractable cases.
- Insights into how finite temperature influences collective photon emission dynamics.
Conclusions:
- Collective atom-light coupling in trapped neutral atoms is significantly influenced by quantized atomic motion.
- Hybrid electronic-vibrational states play a crucial role in sub- and superradiance.
- Temperature effects must be considered for a complete understanding of collective emission phenomena in these systems.
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