Design of a dual-channel modelocked fiber laser that avoids multi-pulsing

Xianting Zhang, Shaokang Wang, Nan Guo, Feng Li*, Curtis R. Menyuk, Alex Wai

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

9 Citations (Scopus)

Abstract

Multi-channel modelocked lasers and their design have attracted much attention. Here, we use the Swift-Hohenberg equation to study dual-channel simultaneous modelocking (DSML) in a fiber laser. When a quartic filter is added to the laser cavity, the stable dual-channel simultaneous modelocking can be obtained for a given filter bandwidth when frequency separation, ωs, is less than a calculated threshold, ωth. When ωs > ωth, a multipulsing instability occurs. We use a linear stability analysis to determine the limit that the multi-pulsing instability imposes on DSML, and we propose a cavity design that avoids the multi-pulsing instability.

Original languageEnglish
Pages (from-to)14173-14183
Number of pages11
JournalOptics Express
Volume27
Issue number10
DOIs
Publication statusPublished - 13 May 2019

Scopus Subject Areas

  • Atomic and Molecular Physics, and Optics

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