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

doi:10.1021/nl103858x

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 journal › Article

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 language	English
Pages (from-to)	729-733
Number of pages	5
Journal	Nano Letters
Volume	11
Issue number	2
DOIs	https://doi.org/10.1021/nl103858x
Publication status	Published - 2011 Feb 9
Externally published	Yes

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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

Kim, W., Park, C., Kim, J. R., Choi, Y., Kang, S., Lim, S., ... An, K. (2011). Tunneling-induced spectral broadening of a single atom in a three-dimensional optical lattice. Nano Letters, 11(2), 729-733. https://doi.org/10.1021/nl103858x

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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.",

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AU - Kim, Wookrae

AU - Park, Changwon

AU - Kim, Jung Ryul

AU - Choi, Youngwoon

AU - Kang, Sungsam

AU - Lim, Sooin

AU - Lee, Yea Lee

AU - Ihm, Jisoon

AU - An, Kyungwon

PY - 2011/2/9

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N2 - 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.

AB - 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.

KW - heterodyne spectroscopy

KW - Lamb-Dicke regime

KW - matter-wave tunneling

KW - optical lattice

KW - resonance fluorescence

KW - Single-atom spectrum

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10.1021/nl103858x