High-resolution analysis of the wavelength stopping effect in a self-sweeping fiber laser

A. E. Budarnykh, A. D. Vladimirskaya, I. A. Lobach, S. I. Kablukov

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

We experimentally investigate for the first time, to the best of our knowledge, wavelength stopping, as well as slow reverse sweeping regimes in a self-sweeping fiber laser with a high temporal and spectral resolution, with a heterodyne technique. The experiments have shown that reverse sweeping, in fact, is a drifting series of short normal scans consisting of 5-7 pulses and there is no drift of central wavelength in the case of wavelength stopping. An effective spectral width of the mode set of the investigated fiber laser can be estimated as ∼0.2 and ∼30 MHz in the case of normal and reverse sweeping, respectively. An influence of absorption as well as gain and refractive index dynamical gratings on the wavelength stopping effect is also experimentally demonstrated.

Original languageEnglish
Article number085104
Number of pages8
JournalLaser Physics Letters
Volume16
Issue number8
DOIs
Publication statusPublished - 26 Jun 2019

Keywords

  • fiber laser
  • self-sweeping
  • wavelength stopping
  • LONG-PERIOD FIBER

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