Opt Lett. 2018 Aug 15;43(16):3862-3865. doi: 10.1364/OL.43.003862.
Few-layered titanium carbide (TiCT), a novel two-dimensional (2D) Van der Waals material in the MXene family, was fabricated with a liquid-phase method and applied as a saturable absorber for a continuous-wave mode-locked femtosecond bulk laser. Pulses as short as 316 fs with a repetition rate of 64.06 MHz and maximum output power of 0.77 W were achieved at the central wavelength of 1053.2 nm, demonstrating the first known, to the best of our knowledge, application of MXene in an all-solid-state laser. Considering the flexible band gap for different surface functional groups of TiCT, these results may promote the development of ultrafast photonics and further applications of 2D optoelectronic layered materials in the infrared and mid-infrared regions.
少层碳化钛（TiCT）是 MXene 家族中的一种新型二维（2D）范德华材料，采用液相法制备，并用作连续波锁模飞秒体块激光器的可饱和吸收体。在 1053.2nm 的中心波长处，获得了最短为 316fs 的脉冲，重复率为 64.06MHz，最大输出功率为 0.77W，这是我们所知的 MXene 在全固态激光器中的首次应用。考虑到 TiCT 不同表面官能团的灵活带隙，这些结果可能会促进超快光子学的发展，并进一步推动二维光电层状材料在红外和中红外区域的应用。
