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Frequency combs

The purest microwave oscillations

Nature Photonics volume 7, pages 269–271 (2013)Cite this article

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A new femtosecond frequency comb scheme is capable of generating microwave signals at a noise level below the shot noise of light.

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Figure 1: Power spectral density of random phase for a 10-GHz femtosecond frequency comb detected with a high-power photodiode and expressed in terms of different units.

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Author information

Authors and Affiliations

  1. Enrico Rubiola is at the Time and Frequency Department, CNRS FEMTO-ST Institute, ENSMM, 26 Chemin de l'Epitaphe, 25030 Besancon, France,

    Enrico Rubiola

  2. Giorgio Santarelli is at the Laboratoire de Photonique, Numérique et Nanosciences (LP2N), CNRS, Université de Bordeaux 1, Institut d'Optique, 351 Cours de la Libération, 33405 Talence, France,

    Giorgio Santarelli

Authors
  1. Enrico Rubiola
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  2. Giorgio Santarelli
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Correspondence to Enrico Rubiola.

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Rubiola, E., Santarelli, G. The purest microwave oscillations. Nature Photon 7, 269–271 (2013). https://doi.org/10.1038/nphoton.2013.79

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