Tunneling-induced spectral broadening of a single atom in a three-dimensional optical lattice

Wookrae Kim, Changwon Park, Jung Ryul Kim, Youngwoon Choi, Sungsam Kang, Sooin Lim, Yea Lee Lee, Jisoon Ihm, Kyungwon An

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

We have investigated the spectral broadening in the near-resonance fluorescence spectrum of a single rubidium atom trapped in a three-dimensional (3D) optical lattice in a strong Lamb-Dicke regime. Besides the strong Rayleigh peak, the spectrum exhibited weak Stokes and anti-Stokes Raman sidebands. The line width of the Rayleigh peak for low potential depths was well explained by matter-wave tunneling between the first-two lowest vibrational states of 3D anisotropic harmonic potentials of adjacent local minima of the optical lattice.

Original languageEnglish
Pages (from-to)729-733
Number of pages5
JournalNano Letters
Volume11
Issue number2
DOIs
Publication statusPublished - 2011 Feb 9
Externally publishedYes

Fingerprint

Optical lattices
Rubidium
Atoms
resonance fluorescence
rubidium
sidebands
vibrational states
Linewidth
atoms
Fluorescence
harmonics

Keywords

  • heterodyne spectroscopy
  • Lamb-Dicke regime
  • matter-wave tunneling
  • optical lattice
  • resonance fluorescence
  • Single-atom spectrum

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering

Cite this

Tunneling-induced spectral broadening of a single atom in a three-dimensional optical lattice. / Kim, Wookrae; Park, Changwon; Kim, Jung Ryul; Choi, Youngwoon; Kang, Sungsam; Lim, Sooin; Lee, Yea Lee; Ihm, Jisoon; An, Kyungwon.

In: Nano Letters, Vol. 11, No. 2, 09.02.2011, p. 729-733.

Research output: Contribution to journalArticle

Kim, W, Park, C, Kim, JR, Choi, Y, Kang, S, Lim, S, Lee, YL, Ihm, J & An, K 2011, 'Tunneling-induced spectral broadening of a single atom in a three-dimensional optical lattice', Nano Letters, vol. 11, no. 2, pp. 729-733. https://doi.org/10.1021/nl103858x
Kim, Wookrae ; Park, Changwon ; Kim, Jung Ryul ; Choi, Youngwoon ; Kang, Sungsam ; Lim, Sooin ; Lee, Yea Lee ; Ihm, Jisoon ; An, Kyungwon. / Tunneling-induced spectral broadening of a single atom in a three-dimensional optical lattice. In: Nano Letters. 2011 ; Vol. 11, No. 2. pp. 729-733.
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AU - Lim, Sooin

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AU - Ihm, Jisoon

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