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Keywords:

  • two-dimensional crystals;
  • transition-metal dichalcogenide;
  • molybdenum sulfide (MoS2);
  • saturable absorbers
Thumbnail image of graphical abstract

The bandgaps of monolayer and bulk molybdenum sulfide (MoS2) result in that they are far from suitable for application as a saturable absorption device. In this paper, the operation of a broadband MoS2 saturable absorber is demonstrated by the introduction of suitable defects. It is believed that the results provide some inspiration in the investigation of two-dimensional optoelectronic materials.