Jie Hu, Yifei Wang, Zhikun Xing, Zhen Wang, Chen Liu, Zhijun Yan, Qizhen Sun, Deming Liu. Narrow-Linewidth Random Fiber Laser Based on Random Fiber Grating[J]. Acta Optica Sinica, 2020, 40(16): 1614002
- Acta Optica Sinica
- Vol. 40, Issue 16, 1614002 (2020)
Fig. 1. Simulated reflection spectrum of random fiber grating
Fig. 2. Random fiber grating. (a) Fabrication setup; (b) transmission and reflection spectra
Fig. 3. Proposed random fiber laser. (a) Diagram of structure; (b) optical spectrum of laser output
Fig. 4. Output performance of laser. (a) Output power versus pump power; (b) fluctuation of central wavelength and output power
Fig. 5. Laser linewidth test. (a) Diagram of DSH method; (b) frequency spectrum of heterodyne beating signals
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Table 1. Output properties of different narrow-linewidth random fiber lasers
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