Xin Tian, Xiaofan Zhao, Meng Wang, Zefeng Wang. Suppression of Stimulated Brillouin Scattering in Fiber Using the Tilted Fiber Bragg Grating[J]. Acta Optica Sinica, 2020, 40(17): 1706001
- Acta Optica Sinica
- Vol. 40, Issue 17, 1706001 (2020)
Fig. 1. Calculation transmission spectrum of TFBG at 1.5 μm band at tilt angle of 4°
Fig. 2. Temperature characteristics of TFBG. (a) Shift of spectra with temperature; (b) shift of wavelength with temperature
Fig. 3. Experimental setup for the suppression of SBS in fiber
Fig. 4. Measured spectra of TFBG in SMF-28e. (a) General vision; (b) enlarged vision
Fig. 5. Measured optical spectra at the end of 150 m SMF-28e fiber and port 3 of the circulator
Fig. 6. Experimental results. (a) Changing of the forward output signal and backward Stokes power with the input power with or without TFBG; (b) previous results[20]; (c) Stokes wave filtering ratio and (d) insertion loss of TFBG with the input laser power
Fig. 7. Measured stability of the output signal with TFBG at the maximum input power
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