Actively Q-switched mode-locked Yb-doped fiber laser with high mode-locking contrast

T. H. Yen*, J. H. Lin, Yin-Chieh Lai

*Corresponding author for this work

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

Reliable Q-switched and mode-locked operation of Yb-doped fiber lasers is investigated by employing an acousto-optic modulator (AOM) in a linear cavity configuration. The widths and shapes of the Q-switched envelopes mainly depend on the external modulation frequency of the AOM and near symmetric Q-switched pulses can be generated. Within the Q-switched envelopes, harmonic mode-locked pulses with near 100% modulation depth at the 40 MHz repetition rate are experimentally observed.

Original languageEnglish
Pages (from-to)441-446
Number of pages6
JournalLaser Physics
Volume22
Issue number2
DOIs
StatePublished - 1 Feb 2012

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