Near-resonant light scattering by an atom in a state-dependent trap
arXiv:2401.06753 · doi:10.1088/1367-2630/ad3775
Abstract
The optical properties of a fixed atom are well-known and investigated. For example, the extraordinarily large cross section of a single atom as seen by a resonant photon is essential for quantum optical applications. Mechanical effects associated with light scattering are also well-studied, forming the basis of laser cooling and trapping, for example. Despite this, there is one fundamental problem that surprisingly has not been extensively studied, yet is relevant to a number of emerging quantum optics experiments. In these experiments, the ground state of the atom experiences a tight optical trap formed by far-off-resonant light, to facilitate efficient interactions with near-resonant light. However, the excited state might experience a different potential, or even be anti-trapped. Here, we systematically analyze the effects of unequal trapping on near-resonant atom-light interactions. In particular, we identify regimes where such trapping can lead to significant excess heating, and a reduction of total and elastic scattering cross sections associated with a decreased atom-photon interaction efficiency. Understanding these effects can be valuable for optimizing quantum optics platforms where efficient atom-light interactions on resonance are desired, but achieving equal trapping is not feasible.
arXiv comment27 pages, 10 figures
References in corpus (34)
- Gaussian Quantum Information
- Quantum information with Rydberg atoms
- A quantum gas microscope - detecting single atoms in a Hubbard regime optical lattice
- Logical quantum processor based on reconfigurable atom arrays
- Cavity-based quantum networks with single atoms and optical photons
- Scalable photonic quantum computation through cavity-assisted interaction
- Entanglement of two individual neutral atoms using Rydberg blockade
- High-fidelity control and entanglement of Rydberg atom qubits
- Quantum State Engineering and Precision Metrology using State-Insensitive Light Traps
- Quantum interference between two single photons emitted by independently trapped atoms
- A subradiant optical mirror formed by a single structured atomic layer
- Controlled Single-Photon Emission from a Single Trapped Two-Level Atom
- Strong interaction between light and a single trapped atom without a cavity
- Cold hybrid ion-atom systems
- Cooling a single atom in an optical tweezer to its quantum ground state
- Colloquium: Physics of optical lattice clocks
- Building one molecule from a reservoir of two atoms
- Seconds-scale coherence in a tweezer-array optical clock
- Probing site-resolved correlations in a spin system of ultracold molecules
- An atomic array optical clock with single-atom readout
- A subwavelength atomic array switched by a single Rydberg atom
- State-dependent optical lattices for the strontium optical qubit
- Coupling a single trapped atom to a whispering-gallery-mode microresonator
- Quantum-Logic Gate between Two Optical Photons with an Average Efficiency above 40%
- Optical Traps for sympathetic Cooling of Ions with ultracold neutral Atoms
- Pinning an Ion with an Intracavity Optical Lattice
- Trapped Ion Quantum Computing using Optical Tweezers and Electric Fields
- Trapping, Shaping and Isolating of Ion Coulomb Crystals via State-selective Optical Potentials
- State-dependent fluorescence of neutral atoms in optical potentials
- Visibility of Young's interference fringes: Scattered light from small ion crystals
- Multipath interference from large trapped ion chains
- Dispersion coefficients for the interactions of the alkali and alkaline-earth ions and inert gas atoms with a graphene layer
- Precise, super-resolving intensity measurement by quantum jump spectroscopy of a single neutral atom
- Raman Imaging of Atoms Inside a High-bandwidth Cavity