Abstract
A cell-type saturable absorber has been demonstrated by filling the single mode photonic crystal fiber (SMPCF) with tungsten disulfide (WS2) nanosheets. The modulation depth, saturable intensity, and non-saturable loss of this SA are measured to be 3.53%, 159MW/cm2 and 23.2%, respectively. Based on this SA, a passively mode-locked EDF laser has been achieved with pulse duration of 808fs and repetition rate of 19.57MHz, and signal-noise-ratio (SNR) of 60.5dB. Our results demonstrate that the cell-type WS2 nanosheets SA can serve as a good candidate for short-pulse mode locker.
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CITATION STYLE
Yan, P., Liu, A., Chen, Y., Wang, J. Z., Ruan, S., Chen, H., & Ding, J. (2015). Passively mode-locked fiber laser by a cell-type WS2 nanosheets saturable absorber. Scientific Reports, 5. https://doi.org/10.1038/srep12587
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