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  Precision spectroscopy by photon-recoil signal amplification

Wan, Y., Gebert, F., Wübbena, J. B., Scharnhorst, N., Amairi, S., Leroux, I. D., et al. (2014). Precision spectroscopy by photon-recoil signal amplification. Nature Communications, 5: 4096. doi:10.1038/ncomms4096.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-A058-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-A059-8
Genre: Journal Article

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 Creators:
Wan, Yong, Author
Gebert, Florian, Author
Wübbena, Jannes B., Author
Scharnhorst, Nils, Author
Amairi, Sana, Author
Leroux, Ian D., Author
Hemmerling, Börge, Author
Lörch, Niels1, Author
Hammerer, Klemens1, Author              
Schmidt, Piet O., Author
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              

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Free keywords: Physics, Atomic Physics, physics.atom-ph,Quantum Physics, quant-ph
 Abstract: Precision spectroscopy of atomic and molecular ions offers a window to new physics, but is typically limited to species with a cycling transition for laser cooling and detection. Quantum logic spectroscopy has overcome this limitation for species with long-lived excited states. Here, we extend quantum logic spectroscopy to fast, dipole-allowed transitions and apply it to perform an absolute frequency measurement. We detect the absorption of photons by the spectroscopically investigated ion through the photon recoil imparted on a co-trapped ion of a different species, on which we can perform efficient quantum logic detection techniques. This amplifies the recoil signal from a few absorbed photons to thousands of fluorescence photons. We resolve the line center of a dipole-allowed transition in 40Ca+ to 1/300 of its observed linewidth, rendering this measurement one of the most accurate of a broad transition. The simplicity and versatility of this approach enables spectroscopy of many previously inaccessible species.

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 Dates: 2013-09-262014-02-072014
 Publication Status: Published in print
 Pages: 25 pages, 6 figures, 1 table, updated supplementary information, fixed typos
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1309.7033
DOI: 10.1038/ncomms4096
URI: http://arxiv.org/abs/1309.7033
 Degree: -

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Title: Nature Communications
  Abbreviation : Nat. Commun.
Source Genre: Journal
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Publ. Info: London : Nature Publishing Group
Pages: - Volume / Issue: 5 Sequence Number: 4096 Start / End Page: - Identifier: ISSN: 2041-1723
CoNE: /journals/resource/2041-1723