High-order soliton evolution and pulse breaking-recovery in stretched ultrafast fiber lasers

Yueqing Du, Xuewen Shu*, Hao Zhang, Peiyun Cheng

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We present a new pulse regime in a stretched ultrafast fiber laser based on numerical simulations. The pulse breaking due to high-order soliton evolution in the passive fiber is recovered to a smooth pulse in the gain fiber with normal dispersion. The new pulse regime formed by the two nonlinear processes makes the ultrafast fiber laser generate ultra-broadband, ultrashort duration, high energy and large breathing ratio pulses. Our work gives insights into the nonlinear dynamics in fiber lasers and has potential for a better design of the stretched fiber lasers.

Original languageEnglish
Pages (from-to)11685-11693
Number of pages9
JournalOptics Express
Issue number9
Publication statusPublished - 30 Apr 2018

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