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Due to the ultralow saturation properties of the topological insulator (TI), stable and high-power TI-based solid state has become an important issue. In this paper, using a folding V-shaped laser cavity to minimize the residual pump to the broadband saturable absorber, passive Q-switched operations with high power not only at 1.06 $\mu\text{m}$ but at 1.34 $\mu\text{m}$ as well were demonstrated...
A novel dual-wavelength actively Q-switched laser by a cascaded electrooptic periodically poled lithium niobate (PPLN) Bragg modulator has been developed. Two PPLN Bragg modulators with grating period (EPBM1) and (EPBM2) are integrated monolithically and used to separately Q-switch the transitions between ...
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