In recent years, 2D layered materials, including graphene, topological insulators, transition
metal dichalcogenides, black phosphorus, MXenes, graphitic carbon nitride, and metal …

The explosive success of graphene opens a new era of ultrathin 2D materials. It has been
realized that the van der Waals layered materials with atomic and less atomic thickness can …

Topological insulator (TI), a promising quantum and semiconductor material, has gapless
surface state and narrow bulk band gap. Firstly, the properties, classifications and …

The discovery of two-dimensional (2D) material graphene has opened a door towards a
class of layered novel nanomaterials with unique photonic and optoelectronic properties …

Ultrafast lasers play an important role in a variety of applications ranging from optical
communications to medical diagnostics and industrial materials processing. Graphene and …

Topological insulators are innovative materials with semiconducting bulk together with
surface states forming a Dirac cone, which ensure metallic conduction in the surface plane …

Transition metal dichalcogenides have recently been considered the candidates for
saturable absorption materials due to their advantages in both electronic and optoelectronic …

Recently, few-layer WS 2, as a novel two-dimensional (2D) material, has been discovered to
possess both the saturable absorption effect and the huge nonlinear refractive index. In …

In this letter, tin diselenide (SnSe 2) was successfully prepared with the liquid-phase
exfoliation method and embedded into polyvinyl alcohol as a saturable absorber (SA) in a …

Graphene/WS_2 (G/WS_2) van der Waals (vdW) heterostructures are utilized as saturable
absorbers (SAs) in compact mode-locked fiber lasers operating in the telecommunication L …