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Corsi C, Liontos I, Bellini M, et al. Ultimate Limit in the Spectral Resolution of Extreme Ultraviolet Frequency Combs. Phys Rev Lett. 2017;118(14):143201doi: 10.1103/PhysRevLett.118.143201.
Corsi, C., Liontos, I., Bellini, M., Cavalieri, S., Cancio Pastor, P., Siciliani de Cumis, M., & Eramo, R. (2017). Ultimate Limit in the Spectral Resolution of Extreme Ultraviolet Frequency Combs. Physical review letters, 118(14), 143201. https://doi.org/10.1103/PhysRevLett.118.143201
Corsi, C, et al. "Ultimate Limit in the Spectral Resolution of Extreme Ultraviolet Frequency Combs." Physical review letters vol. 118,14 (2017): 143201. doi: https://doi.org/10.1103/PhysRevLett.118.143201
Corsi C, Liontos I, Bellini M, Cavalieri S, Cancio Pastor P, Siciliani de Cumis M, Eramo R. Ultimate Limit in the Spectral Resolution of Extreme Ultraviolet Frequency Combs. Phys Rev Lett. 2017 Apr 07;118(14):143201. doi: 10.1103/PhysRevLett.118.143201. Epub 2017 Apr 03. PMID: 28430481.
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Phys Rev Lett. 2017 Apr 07;118(14):143201. doi: 10.1103/PhysRevLett.118.143201. Epub 2017 Apr 03.

Ultimate Limit in the Spectral Resolution of Extreme Ultraviolet Frequency Combs.

Physical review letters

C Corsi, I Liontos, M Bellini, S Cavalieri, P Cancio Pastor, M Siciliani de Cumis, R Eramo

Affiliations

  1. European Laboratory for Non-Linear Spectroscopy (LENS), Via N. Carrara 1, I-50019 Sesto Fiorentino, Firenze, Italy.
  2. Dipartimento di Fisica e Astronomia, Università di Firenze, Via G. Sansone 1, I-50019 Sesto Fiorentino, Firenze, Italy.
  3. Istituto Nazionale di Ottica (INO-CNR), Largo E. Fermi 6, I-50125 Firenze, Italy.
  4. Agenzia Spaziale Italiana (ASI), Contrada Terlecchia, I-75100 Matera, Italia.

PMID: 28430481 DOI: 10.1103/PhysRevLett.118.143201

Abstract

We present the results of direct interferometric measurements on the pulse-to-pulse phase jitter of a metrological, fiber-based, infrared (IR) frequency comb. We show that the short-time evolution of such phase fluctuations, which cannot be actively controlled by any feedback system, imposes a stringent limit on the tooth linewidth of extreme ultraviolet (XUV) combs produced by high-order harmonic conversion, thus explaining the difference of 9 orders of magnitude between the coherence times of state-of-the-art IR and XUV frequency combs.

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