Optical Properties of Collective Excitations for Finite Chains of Trapped Atoms

Abstract

Resonant dipole-dipole interaction modifies the energy and decay rate of electronic excitations for finite one dimensional chains of ultracold atoms in an optical lattice. We show that collective excited states of the atomic chain can be divided into dark and bright modes, where a superradiant mode with an enhanced collective effective dipole dominates the optical scattering. Studying the generic case of two chain segments of different length and position exhibits an interaction blockade and spatially structured light emission. Ultimately, an extended system of several interfering segments models a long chain with randomly distributed defects of vacant sites. The corresponding emission pattern provides a sensitive tool to study structural and dynamical properties of the system.

8 pages, 12 figures

References in corpus (15)

• Many-Body Physics with Ultracold Gases
• Quantum phase transition from a superfluid to a Mott insulator in a gas of ultracold atoms
• Ultracold atomic gases in optical lattices: mimicking condensed matter physics and beyond
• Single-Atom Resolved Fluorescence Imaging of an Atomic Mott Insulator
• Probing the Superfluid to Mott Insulator Transition at the Single Atom Level
• Single-Spin Addressing in an Atomic Mott Insulator
• Demonstration of a state-insensitive, compensated nanofiber trap
• Cold Atom Physics Using Ultra-Thin Optical Fibers: Light-Induced Dipole Forces and Surface Interactions
• Excitons and cavity polaritons for ultracold atoms in an optical lattice
• Hybrid Quantum System of a Nanofiber Mode Coupled to Two Chains of Optically Trapped Atoms
• Lifetime and Emission Characteristics of Electronic Excitations in 2D Optical Lattices
• Superradiant and Dark Exciton States in an Optical Lattice within a Cavity
• Exciton-Polariton scattering for defect detection in cold atom Optical Lattices
• Collective Light Emission of a Finite Size Atomic Chain
• Collective Electronic Excitation Coupling between Planar Optical Lattices using Ewald's Method

Cited by in corpus (6)

• Long-range interacting many-body systems with alkaline-earth-metal atoms
• Extraordinary subradiance with lossless excitation transfer in dipole-coupled nano-rings of quantum emitters
• Controlling interactions between quantum emitters using atom arrays
• Optimized geometries for future generation optical lattice clocks
• Far-field resonance fluorescence from a dipole-interacting laser-driven cold atomic gas
• Excitons and Cavity Polaritons for Optical Lattice Ultracold Atoms