Liang TONG, Haibo HUANG, Yuxuan WEN, Songyuan CHEN, Junzhe TAO, Shanshan YE, Ziqi ZHENG, Yangyang WANG, Song HUANG, Weiqing GAO. Mid‑infrared 2.8 μm tunable lasing based on erbium‑doped fluoride fiber[J]. Chinese Journal of Quantum Electronics, 2024, 41(2): 269
- Chinese Journal of Quantum Electronics
- Vol. 41, Issue 2, 269 (2024)
Fig. 1. Simplified energy level transition of Er3+
Fig. 2. Schematic of mid-infrared erbium-doped fiber laser
Fig. 3. Reflectivity curve of dichromatic mirror
Fig. 4. ASE spectrum versus pump power. (a) Forward ASE; (b) Backward ASE
Fig. 5. Peak wavelength variation of forward and backward ASE with pump power
Fig. 6. Full band emission spectrum at pump power of 3.75 W. (a) From 0.5 μm to 1.0 μm; (b) From 1.0 μm to 3.0
Fig. 7. Evolution of output spectrum with pump power. (a) From 1 W to 2 W; (b) From 2 W to 3 W; (c) From 3 W to 7 W
Fig. 8. Peak wavelength versus pump power
Fig. 9. Output power variation with pump power
Fig. 10. Stability of output power measured in one hour
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