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Journal Article

Broadband high-resolution X-ray frequency combs

MPS-Authors
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Cavaletto,  Stefano M.
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society,;

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Harman,  Zoltan
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society,;

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Ott,  Christian
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;

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Buth,  Christian
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society,;

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Pfeifer,  Thomas
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;

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Keitel,  Christoph H.
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society,;

Fulltext (public)

1402.6652v1
(Preprint), 3MB

Supplementary Material (public)
There is no public supplementary material available
Citation

Cavaletto, S. M., Harman, Z., Ott, C., Buth, C., Pfeifer, T., & Keitel, C. H. (2014). Broadband high-resolution X-ray frequency combs. Nature Photonics, 8(7), 520-523. doi:10.1038/nphoton.2014.113.


Cite as: http://hdl.handle.net/11858/00-001M-0000-001A-1E60-5
Abstract
Optical frequency combs have had a remarkable impact on precision spectroscopy1, 2, 3. Enabling this technology in the X-ray domain is expected to result in wide-ranging applications, such as stringent tests of astrophysical models and quantum electrodynamics4, a more sensitive search for the variability of fundamental constants5, and precision studies of nuclear structure6. Ultraprecise X-ray atomic clocks may also be envisaged7. In this work, an X-ray pulse-shaping method is proposed to generate a comb in the absorption spectrum of an ultrashort high-frequency pulse. The method employs an optical-frequency-comb laser, manipulating the system's dipole response to imprint a comb on an excited transition with a high photon energy. The described scheme provides higher comb frequencies and requires lower optical-comb peak intensities than currently explored methods8, 9, 10, preserves the overall width of the optical comb, and may be implemented using currently available X-ray technology11.