Zhenxing He, Peng Zhang, Di Wu, Kexuan Han, Xiaoyan Li, Quanli Du. 1.7 μm Tunable Multi-Wavelength Raman Fiber Laser Based on Amplified Spontaneous Emission Pump[J]. Laser & Optoelectronics Progress, 2020, 57(7): 071403
- Laser & Optoelectronics Progress
- Vol. 57, Issue 7, 071403 (2020)
Fig. 1. Experimental setup of 1.7 μm band tunable Raman fiber laser
Fig. 2. Structure of the Sagnac loop filter
Fig. 3. Transmission spectrum of the Sagnac loop. (a) Different rotation angles; (b) different lengths of PMF
Fig. 4. Experimental setup of 1.7 μm band gain spectrum
Fig. 5. Gain spectrum without EDF and tunable filter
Fig. 6. Gain spectrum passed through EDF
Fig. 7. Raman gain spectrum under different input powers with EDF and tunable filter
Fig. 8. Transmission spectrum of Sagnac loop filter
Fig. 9. Spectrum of the laser. (a) Side mode suppression ratio; (b) 3 dB linewidth
Fig. 10. Tuning range of laser
Fig. 11. Stability test of laser
Fig. 12. Output spectrum of dual-wavelength lasers
Fig. 13. Power fluctuation of dual-wavelength lasers
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