Title: Actively Q-switched mode-locked Yb-doped fiber laser with high mode-locking contrast
Authors: Yen, T. H.
Lin, J. H.
Lai, Y.
Department of Photonics
Issue Date: 1-Feb-2012
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.
URI: http://dx.doi.org/10.1134/S1054660X12020247
ISSN: 1054-660X
DOI: 10.1134/S1054660X12020247
Volume: 22
Issue: 2
Begin Page: 441
End Page: 446
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