Experimental study on buildup dynamics of a harmonic mode-locking soliton fiber laser

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Abstract

In this paper, we experimentally investigate the onset dynamics of harmonic mode-locking (HML) in a short-cavity all-polarization-maintaining fiber laser using time-stretch spectroscopy. We observe a transient multi-pulse state evolving into a stable HML state. Moreover, a bunch of metastable short-lived mode-locking states are recorded before the laser entered the HML state. In these transient states, sudden changes including the formation and destruction of single broadband pulses are observed.

Original languageEnglish
Pages (from-to)28808-28815
Number of pages8
JournalOptics Express
Volume27
Issue number20
DOIs
StatePublished - 30 Sep 2019

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