Superradiance for Atoms Trapped along a Photonic Crystal Waveguide

A. Goban, C. L. Hung, J. D. Hood, S. P. Yu, J. A. Muniz, O. Painter, H. J. Kimble

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Abstract

We report observations of superradiance for atoms trapped in the near field of a photonic crystal waveguide (PCW). By fabricating the PCW with a band edge near the D1 transition of atomic cesium, strong interaction is achieved between trapped atoms and guided-mode photons. Following short-pulse excitation, we record the decay of guided-mode emission and find a superradiant emission rate scaling as Γ¯SR-N¯Γ1D for average atom number 0.19N¯ 2.6 atoms, where Γ1D/Γ′=1.0±0.1 is the peak single-atom radiative decay rate into the PCW guided mode, and Γ′ is the radiative decay rate into all the other channels. These advances provide new tools for investigations of photon-mediated atom-atom interactions in the many-body regime.

Original languageEnglish
Article number063601
JournalPhysical Review Letters
Volume115
Issue number6
DOIs
Publication statusPublished - 2015 Aug 5
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Goban, A., Hung, C. L., Hood, J. D., Yu, S. P., Muniz, J. A., Painter, O., & Kimble, H. J. (2015). Superradiance for Atoms Trapped along a Photonic Crystal Waveguide. Physical Review Letters, 115(6), [063601]. https://doi.org/10.1103/PhysRevLett.115.063601