Lei YE, Shun WANG, Zhonghui YAO, Cheng JIANG, Kai GUO, Ziyang ZHANG. Mode-locked Fiber Laser Based on Ge2Sb1.5Bi0.5Te5 Saturable Absorber[J]. Acta Photonica Sinica, 2022, 51(4): 0414001
- Acta Photonica Sinica
- Vol. 51, Issue 4, 0414001 (2022)
Fig. 1. GSBT films pictures
Fig. 2. Schematic diagram of fiber laser system
Fig. 3. XRD images of GSBT films before and after annealing
Fig. 4. Absorption spectra of aGSBT and cGSBT
Fig. 5. Nonlinear characteristic curves of GSBT films
Fig. 6. Atomic arrangement of GSBT
Fig. 7. Output characteristics of the mode-locked laser based on cGSBT saturable absorber
Fig. 8. Absorption spectra of GSBT films of 40，60，80 nm
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