Laser cooling in a chip-scale platform

J. P. McGilligan; K. R. Moore; A. Dellis; G. D. Martinez; E. de Clercq; P. F. Griffin; A. S. Arnold; E. Riis; R. Boudot; J. Kitching

doi:10.1063/5.0014658

Laser cooling in a chip-scale platform

J. P. McGilligan, K. R. Moore, A. Dellis, G. D. Martinez, E. de Clercq, P. F. Griffin, A. S. Arnold, E. Riis, R. Boudot, J. Kitching

Physics

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Abstract

Chip-scale atomic devices built around micro-fabricated alkali vapor cells are at the forefront of compact metrology and atomic sensors. We demonstrate a micro-fabricated vapor cell that is actively pumped to ultra-high-vacuum (UHV) to achieve laser cooling. A grating magneto-optical trap (GMOT) is incorporated with a 4 mm-thick Si/glass vacuum cell to demonstrate the feasibility of a fully miniaturized laser cooling platform. A two-step optical excitation process in rubidium is used to overcome surface-scatter limitations to the GMOT imaging. The unambiguous miniaturization and form-customizability made available with micro-fabricated UHV cells provide a promising platform for future compact cold-atom sensors.

Original language	English
Article number	054001
Number of pages	4
Journal	Applied Physics Letters
Volume	117
Issue number	5
DOIs	https://doi.org/10.1063/5.0014658
Publication status	Published - 3 Aug 2020

Keywords

atomic devices
alkali vapor cells
GMOT imaging

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10.1063/5.0014658

McGilligan-etal-APL-2020-Laser-cooling-in-a-chip-scale-platformAccepted author manuscript, 5.56 MB

Cite this

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title = "Laser cooling in a chip-scale platform",

abstract = "Chip-scale atomic devices built around micro-fabricated alkali vapor cells are at the forefront of compact metrology and atomic sensors. We demonstrate a micro-fabricated vapor cell that is actively pumped to ultra-high-vacuum (UHV) to achieve laser cooling. A grating magneto-optical trap (GMOT) is incorporated with a 4 mm-thick Si/glass vacuum cell to demonstrate the feasibility of a fully miniaturized laser cooling platform. A two-step optical excitation process in rubidium is used to overcome surface-scatter limitations to the GMOT imaging. The unambiguous miniaturization and form-customizability made available with micro-fabricated UHV cells provide a promising platform for future compact cold-atom sensors.",

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AU - McGilligan, J. P.

AU - Moore, K. R.

AU - Dellis, A.

AU - Martinez, G. D.

AU - de Clercq, E.

AU - Griffin, P. F.

AU - Arnold, A. S.

AU - Riis, E.

AU - Boudot, R.

AU - Kitching, J.

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AB - Chip-scale atomic devices built around micro-fabricated alkali vapor cells are at the forefront of compact metrology and atomic sensors. We demonstrate a micro-fabricated vapor cell that is actively pumped to ultra-high-vacuum (UHV) to achieve laser cooling. A grating magneto-optical trap (GMOT) is incorporated with a 4 mm-thick Si/glass vacuum cell to demonstrate the feasibility of a fully miniaturized laser cooling platform. A two-step optical excitation process in rubidium is used to overcome surface-scatter limitations to the GMOT imaging. The unambiguous miniaturization and form-customizability made available with micro-fabricated UHV cells provide a promising platform for future compact cold-atom sensors.

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Laser cooling in a chip-scale platform

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