PaperAApplied Optics11d agoWavelength-tunable DSR square-wave pulses in an NPR mode-locked thulium-doped fiber laserDanyang Wang·Tianxin Yang·Enfan Zhou·Chunfeng Ge·Zhaoying Wang·Yi Liu·Dongfang JiaRead at Applied OpticsShareLess like thisTagsAdvanced Fiber Laser TechnologiesAtomic and Molecular Physics, and Optics