A surface-patterned chip as a strong source of ultracold atoms for quantum technologies

Chidi Nshii, Matthieu Vangeleyn, J.P. Cotter, Paul Griffin, E.A. Hinds, C.N. Ironside, P. See, A G Sinclair, Erling Riis, Aidan Arnold

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Abstract

Laser-cooled atoms are central to modern precision measurements. They are also increasingly important as an enabling technology for experimental cavity quantum electrodynamics, quantum information processing and matter–wave interferometry. Although significant progress has been made in miniaturizing atomic metrological devices, these are limited in accuracy by their use of hot atomic ensembles and buffer gases. Advances have also been made in producing portable apparatus that benefits from the advantages of atoms in the microkelvin regime. However, simplifying atomic cooling and loading using microfabrication technology has proved difficult. In this Letter we address this problem, realizing an atom chip that enables the integration of laser cooling and trapping into a compact apparatus. Our source delivers ten thousand times more atoms than previous magneto-optical traps with microfabricated optics and, for the first time, can reach sub-Doppler temperatures. Moreover, the same chip design offers a simple way to form stable optical lattices. These features, combined with simplicity of fabrication and ease of operation, make these new traps a key advance in the development of cold-atom technology for high-accuracy, portable measurement devices.
Original languageEnglish
Pages (from-to)321-324
Number of pages4
JournalNature Nanotechnology
Volume8
Issue number5
Early online date7 Apr 2013
DOIs
Publication statusPublished - May 2013

Fingerprint

Elementary particle sources
chips
Atoms
atoms
Laser cooling
traps
Optical lattices
laser cooling
Microfabrication
Electrodynamics
quantum electrodynamics
Interferometry
Optics
Buffers
interferometry
buffers
Gases
trapping
optics
Cooling

Keywords

  • laser cooled atoms
  • ultracold atoms
  • quantum technologies

Cite this

Nshii, Chidi ; Vangeleyn, Matthieu ; Cotter, J.P. ; Griffin, Paul ; Hinds, E.A. ; Ironside, C.N. ; See, P. ; Sinclair, A G ; Riis, Erling ; Arnold, Aidan. / A surface-patterned chip as a strong source of ultracold atoms for quantum technologies. In: Nature Nanotechnology. 2013 ; Vol. 8, No. 5. pp. 321-324.
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Nshii, C, Vangeleyn, M, Cotter, JP, Griffin, P, Hinds, EA, Ironside, CN, See, P, Sinclair, AG, Riis, E & Arnold, A 2013, 'A surface-patterned chip as a strong source of ultracold atoms for quantum technologies', Nature Nanotechnology, vol. 8, no. 5, pp. 321-324. https://doi.org/10.1038/nnano.2013.47

A surface-patterned chip as a strong source of ultracold atoms for quantum technologies. / Nshii, Chidi; Vangeleyn, Matthieu; Cotter, J.P.; Griffin, Paul; Hinds, E.A.; Ironside, C.N.; See, P.; Sinclair, A G ; Riis, Erling; Arnold, Aidan.

In: Nature Nanotechnology, Vol. 8, No. 5, 05.2013, p. 321-324.

Research output: Contribution to journalLetter

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AU - Nshii, Chidi

AU - Vangeleyn, Matthieu

AU - Cotter, J.P.

AU - Griffin, Paul

AU - Hinds, E.A.

AU - Ironside, C.N.

AU - See, P.

AU - Sinclair, A G

AU - Riis, Erling

AU - Arnold, Aidan

PY - 2013/5

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AB - Laser-cooled atoms are central to modern precision measurements. They are also increasingly important as an enabling technology for experimental cavity quantum electrodynamics, quantum information processing and matter–wave interferometry. Although significant progress has been made in miniaturizing atomic metrological devices, these are limited in accuracy by their use of hot atomic ensembles and buffer gases. Advances have also been made in producing portable apparatus that benefits from the advantages of atoms in the microkelvin regime. However, simplifying atomic cooling and loading using microfabrication technology has proved difficult. In this Letter we address this problem, realizing an atom chip that enables the integration of laser cooling and trapping into a compact apparatus. Our source delivers ten thousand times more atoms than previous magneto-optical traps with microfabricated optics and, for the first time, can reach sub-Doppler temperatures. Moreover, the same chip design offers a simple way to form stable optical lattices. These features, combined with simplicity of fabrication and ease of operation, make these new traps a key advance in the development of cold-atom technology for high-accuracy, portable measurement devices.

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