Journal
MATERIALS
Volume 15, Issue 19, Pages -Publisher
MDPI
DOI: 10.3390/ma15196761
Keywords
fiber lasers; ultra-short pulses; passively mode-locked; saturable absorbers; 2D materials
Categories
Funding
- Science and Technology Program Project of Nantong City [MSZ20073, MSZ20190, JCZ21021]
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In this work, the frontier and hot topics in pulsed fiber lasers were analyzed. The study found that passively mode-locked fiber lasers with saturable absorbers based on two-dimensional materials are becoming popular research subjects. The excellent nonlinear optical properties exhibited by nanometer-scale thicknesses of 2D materials have paved the way for exploring wider applications.
Pulsed fiber lasers, with high peak power and narrow pulse widths, have been proven to be an important tool for a variety of fields of application. In this work, frontier and hot topics in pulsed fiber lasers were analyzed with 11,064 articles. Benefitting from the scientometric analysis capabilities of CiteSpace, the analysis found that passively mode-locked fiber lasers with saturable absorbers (SAs) based on two-dimensional (2D) materials have become a hot research topic in the field of pulsed fiber lasers due to the advantages of self-starting operation, high stability, and good compatibility. The excellent nonlinear optical properties exhibited by 2D materials at nanometer-scale thicknesses have become a particularly popular research topic; the research has paved the way for exploring its wider applications. We summarize the performance of several typical 2D materials in ultrafast fiber lasers, such as graphene, topological insulators (TIs), transition metal dichalcogenides (TMDs), and black phosphorus (BP). Meanwhile, we review and analyze the direction of the development of 2D SAs for ultrafast fiber lasers.
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