By name: many-body-super-subradiance description: "Many-body super- and subradiance in ordered atomic arrays. Studies collective light-matter interactions in subwavelength-spaced atom arrays with programmable photon-mediated interactions. Activation: superradiance, subradiance, ordered atomic arrays, many-body quantum optics"
Many-Body Super- and Subradiance in Ordered Atomic Arrays
Description
Study of collective light-matter interactions in geometrically ordered, spatially extended atom arrays with subwavelength spacing.
Physical System
Ordered Atomic Arrays
- 2D atom arrays with subwavelength spacing
- Site-resolved imaging capability
- Programmable geometry
Collective Regime
- Beyond point-like or homogeneous ensembles
- Network of photon-mediated interactions
- Not confined to single Dicke mode
Key Phenomena
Superradiance
- Nature: Ferromagnetic
- Characteristics: Intense collective emission
- Scaling: Extensive scaling observed
- Features: Superradiant revivals
Subradiance
- Nature: Antiferromagnetic
- Characteristics: Strongly suppressed decay
- Applications: Long-lived photon storage
- Properties: Dark modes for quantum information
Spatial Correlations
- Build-up directly observed
- Transformation of cooperative decay
- Strongly correlated many-body process
Experimental Capabilities
Subwavelength Arrays
- Geometrically ordered structures
- Spatially extended (not point-like)
- Subwavelength spacing between atoms
Imaging and Control
- Site-resolved imaging despite subwavelength spacing
- Programmable configurations
- Real-time observation of dynamics
Theoretical Framework
Photon-Mediated Interactions
- Long-range interactions
- Anisotropic coupling network
- Dissipative quantum system
Many-Body Physics
- Strongly correlated system
- Collective emission modes
- Quantum optical many-body phenomena
Applications
Quantum Information
- Photon Storage: Long-lived subradiant modes
- Photon Capture: Enhanced by superradiance
- Atom-Photon Entanglement: Controlled generation
Quantum Photonics
- Programmable light-matter systems
- No cavities or nanophotonic structures required
- Novel platform for dissipative many-body physics
Advantages
Programmability
- Geometric configuration control
- Interaction strength tuning
- Mode selection
Novel Regime
- Beyond Dicke limit
- Rich spectrum of modes
- Strongly correlated quantum optics
References
- arXiv:2604.11795 - "Many-Body Super- and Subradiance in Ordered Atomic Arrays"
- Douglas et al., 2026 (Harvard University)
- Related work: Noh & Chang (2016), Chang et al. (2014)
Activation Keywords
- superradiance
- subradiance
- ordered atomic arrays
- many-body quantum optics
- collective light-matter
- atom array quantum optics