All-fiber polarization-maintaining mode-locked laser operated at 980 nm

Svetlana S. Aleshkina, Andrei Fedotov, Dmitrii Korobko, Dmitrii Stoliarov, Denis S. Lipatov, Vladimir V. Velmiskin, Valery L. Temyanko, Leonid V. Kotov, Regina Gumenyuk, Mikhail E. Likhachev

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

For the first time, to the best of our knowledge, we present an all-fiber polarization-maintaining passively modelocked picosecond laser operated at 980 nm. The laser cavity had a ring configuration with a semiconductor saturable absorber mirror as a mode-locking element. As an active medium, we used a specially designed cladding-pumped Yb-doped fiber with reduced cladding-to-core diameter ratio. The laser was self-starting and operated in the net cavity normal dispersion regime, where a spectral profile of the gain medium acted as a filter element. By intracavity spectral filtering, we achieved about 40 dB dominance of the signal wavelength at 980 nm over 1 μm emission in a highly stable picosecond pulsed regime. The corresponding simulation was performed to extend the knowledge about laser operation.

Original languageEnglish (US)
Pages (from-to)2275-2278
Number of pages4
JournalOptics letters
Volume45
Issue number8
DOIs
StatePublished - Apr 15 2020

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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