A superatom picture of collective nonclassical light emission and dipole blockade in atom arrays

• URL: http://arxiv.org/abs/2005.04299v3
• Date: Tue, 21 Jul 2020 16:45:59 GMT
• Title: A superatom picture of collective nonclassical light emission and dipole blockade in atom arrays
• Authors: L. A. Williamson and M. O. Borgh and J. Ruostekoski
• Abstract summary: We show that two-time, second-order correlations of scattered photons from planar arrays and chains of atoms display nonclassical features. For targeted subradiant modes, nonclassical nature of emitted light can be dramatically enhanced even compared with that of a single atom.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We show that two-time, second-order correlations of scattered photons from planar arrays and chains of atoms display nonclassical features that can be described by a superatom picture of the canonical single-atom $g_2(\tau)$ resonance fluorescence result. For the superatom, the single-atom linewidth is replaced by the linewidth of the underlying collective low light-intensity eigenmode. Strong light-induced dipole-dipole interactions lead to a correlated response, suppressed joint photon detection events, and dipole blockade that inhibits multiple excitations of the collective atomic state. For targeted subradiant modes, nonclassical nature of emitted light can be dramatically enhanced even compared with that of a single atom.

Related papers

• Strong coupling between a single photon and a photon pair [43.14346227009377]
  We report an experimental observation of the strong coupling between a single photon and a photon pair in an ultrastrongly-coupled circuit-QED system. Results represent a key step towards a new regime of quantum nonlinear optics.
  arXiv  Detail & Related papers  (2024-01-05T10:23:14Z)
• Directional spontaneous emission in photonic crystal slabs [49.1574468325115]
  Spontaneous emission is a fundamental out-of-equilibrium process in which an excited quantum emitter relaxes to the ground state due to quantum fluctuations. One way to modify these photon-mediated interactions is to alter the dipole radiation patterns of the emitter, e.g., by placing photonic crystals near them. Our study delves into the interaction between these directional emission patterns and the aforementioned variables, revealing the untapped potential to fine-tune collective quantum optical phenomena.
  arXiv  Detail & Related papers  (2023-12-04T15:35:41Z)
• Tunable atom-cavity interactions with configurable atomic chains [5.463111125577708]
  We describe the collective atom-light scattering effect with a structure factor of the atomic chain. We observe that a cavity dark mode emerges when the atomic spacings are integer multiples of the half-wavelength. We realize tunable photon routing and a large optical phase shift with almost no photon loss.
  arXiv  Detail & Related papers  (2023-08-15T17:50:40Z)
• Scaling law for Kasha's rule in photoexcited molecular aggregates [0.0]
  We study the photophysics of molecular aggregates from a quantum optics perspective. We focus on deriving scaling laws for the fast non-radiative relaxation of collective electronic excitations, referred to as Kasha's rule.
  arXiv  Detail & Related papers  (2023-04-20T11:55:29Z)
• Correlated steady states and Raman lasing in continuously pumped and probed atomic ensembles [68.8204255655161]
  We consider an ensemble of Alkali atoms that are continuously optically pumped and probed. Due to the collective scattering of photons at large optical depth, the steady state of atoms does not correspond to an uncorrelated tensor-product state. We find and characterize regimes of Raman lasing, akin to the model of a superradiant laser.
  arXiv  Detail & Related papers  (2022-05-10T06:54:54Z)
• Nonclassical correlated deterministic single-photon pairs for a trapped atom in bimodal cavities [0.0]
  Single photons and single-photon pairs, inherently nonclassical in their nature, are fundamental elements of quantum sciences and technologies. We propose to realize the nonclassical correlated deterministic photon pairs at the single-photon level for a single atom trapped in bimodal cavities.
  arXiv  Detail & Related papers  (2022-04-15T08:05:26Z)
• Tunable directional emission and collective dissipation with quantum metasurfaces [62.997667081978825]
  Subradiant excitations propagate through the atomic array with very long lifetimes. We demonstrate that one can harness these excitations to obtain tunable directional emission patterns. We also benchmark how these directional emission patterns translate into collective, anisotropic dissipative couplings.
  arXiv  Detail & Related papers  (2021-07-01T14:26:33Z)
• Nanoscale continuous quantum light sources based on driven dipole emitter arrays [0.0]
  Two-level emitters at distances smaller that the transition wavelength collectively scatter, absorb and emit photons. This should allow to implement nanoscale non-classical light sources via weak coherent illumination.
  arXiv  Detail & Related papers  (2021-03-03T14:09:37Z)
• Nonclassical Light from Exciton Interactions in a Two-Dimensional Quantum Mirror [0.4129225533930965]
  Excitons in a semiconductor monolayer form a collective resonance that can reflect resonant light with extraordinarily high efficiency. We show that finite-range interactions between excitons can lead to the generation of highly non-classical light.
  arXiv  Detail & Related papers  (2021-02-20T14:05:30Z)
• Quantum Borrmann effect for dissipation-immune photon-photon correlations [137.6408511310322]
  We study theoretically the second-order correlation function $g(2)(t)$ for photons transmitted through a periodic Bragg-spaced array of superconducting qubits, coupled to a waveguide. We demonstrate that photon bunching and anti-bunching persist much longer than both radiative and non-radiative lifetimes of a single qubit.
  arXiv  Detail & Related papers  (2020-09-29T14:37:04Z)
• Hyperentanglement in structured quantum light [50.591267188664666]
  Entanglement in high-dimensional quantum systems, where one or more degrees of freedom of light are involved, offers increased information capacities and enables new quantum protocols. Here, we demonstrate a functional source of high-dimensional, noise-resilient hyperentangled states encoded in time-frequency and vector-vortex structured modes. We generate highly entangled photon pairs at telecom wavelength that we characterise via two-photon interference and quantum state tomography, achieving near-unity visibilities and fidelities.
  arXiv  Detail & Related papers  (2020-06-02T18:00:04Z)

This list is automatically generated from the titles and abstracts of the papers in this site.

This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.