Passive synchronization of erbium and thulium doped fiber mode-locked lasers enhanced by common graphene saturable absorber.

@article{Sotor2014PassiveSO,
  title={Passive synchronization of erbium and thulium doped fiber mode-locked lasers enhanced by common graphene saturable absorber.},
  author={Jarosx0142aw Sotor and Grzegorz Soboń and Jan Tarka and Iwona Pasternak and Aleksandra Krajewska and Wlodek Strupinski and Krzysztof M. Abramski},
  journal={Optics express},
  year={2014},
  volume={22 5},
  pages={5536-43}
}
In this work we present for the first time, to the best of our knowledge, a passively synchronized thulium (Tm) and erbium (Er) doped fiber laser mode-locked by a common graphene saturable absorber (GSA). The laser consists of two ring resonators combined with a 90 cm long common fiber branch incorporating the saturable absorber (SA). Such laser generates optical solitons centered at 1558.5 nm and 1938 nm with pulse durations of 915 fs and 1.57 ps, respectively. Both laser loops were passively… CONTINUE READING

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