Carrier-envelope phase stability of hollow fibers used for high-energy few-cycle pulse generation

  • William A. Okell
  • , Tobias Witting
  • , Davide Fabris
  • , Dane Austin
  • , Maïmouna Bocoum
  • , Felix Frank
  • , Aurélien Ricci
  • , Aurélie Jullien
  • , Daniel Walke
  • , Jonathan P. Marangos
  • , Rodrigo Lopez-Martens
  • , John W.G. Tisch

Research output: Contribution to journalArticlepeer-review

Abstract

We investigated the carrier-envelope phase (CEP) stability of hollow-fiber compression for high-energy few-cycle pulse generation. Saturation of the output pulse energy is observed at 0.6 mJ for a 260 μm inner-diameter, 1 m long fiber, statically filled with neon. The pressure is adjusted to achieve output spectra supporting sub-4-fs pulses. The maximum output pulse energy can be increased to 0.8 mJ by either differential pumping (DP) or circularly polarized input pulses. We observe the onset of an ionization-induced CEP instability, which saturates beyond input pulse energies of 1.25 mJ. There is no significant difference in the CEP stability with DP compared to static-fill.

Original languageEnglish
Pages (from-to)3918-3921
Number of pages4
JournalOptics Letters
Volume38
Issue number19
DOIs
Publication statusPublished - 1 Oct 2013

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